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转载来自: javascript

a
函数
说明

abs
绝对值

acos
反余弦

acosh
反双曲余弦

addcslashes
以 C 语言风格使用反斜线转义字符串中的字符

addslashes
使用反斜线引用字符串

apache_child_terminate
在本次请求结束后终止 apache 子进程

apache_getenv
获取 Apache subprocess_env 变量

apache_get_modules
得到已加载的Apache模块列表

apache_get_version
得到Apache版本信息

apache_lookup_uri
对指定的 URI 执行部分请求并返回全部有关信息

apache_note
取得或设置 apache 请求记录

apache_request_headers
获取所有 HTTP 请求头信息

apache_reset_timeout
重置 Apache 写入计时器

apache_response_headers
得到所有 HTTP 响应头信息

apache_setenv
设置 Apache 子进程环境变量

apcu_add
Cache a new variable in the data store

apcu_cache_info
Retrieves cached information from APCu’s data store

apcu_cas
Updates an old value with a new value

apcu_clear_cache
Clears the APCu cache

apcu_dec
Decrease a stored number

apcu_delete
Removes a stored variable from the cache

apcu_entry
Atomically fetch or generate a cache entry

apcu_exists
Checks if entry exists

apcu_fetch
Fetch a stored variable from the cache

apcu_inc
Increase a stored number

apcu_sma_info
Retrieves APCu Shared Memory Allocation information

apcu_store
Cache a variable in the data store

apc_add
缓存一个变量到数据存储

apc_bin_dump
Get a binary dump of the given files and user variables

apc_bin_dumpfile
Output a binary dump of cached files and user variables to a file

apc_bin_load
Load a binary dump into the APC file/user cache

apc_bin_loadfile
Load a binary dump from a file into the APC file/user cache

apc_cache_info
Retrieves cached information from APC’s data store

apc_cas
用新值更新旧值

apc_clear_cache
清除APC缓存

apc_compile_file
Stores a file in the bytecode cache, bypassing all filters.

apc_dec
Decrease a stored number

apc_define_constants
Defines a set of constants for retrieval and mass-definition

apc_delete
从用户缓存中删除某个变量

apc_delete_file
Deletes files from the opcode cache

apc_exists
检查APC中是否存在某个或者某些key

apc_fetch
从缓存中取出存储的变量

apc_inc
递增一个储存的数字

apc_load_constants
Loads a set of constants from the cache

apc_sma_info
Retrieves APC’s Shared Memory Allocation information

apc_store
Cache a variable in the data store

apd_breakpoint
Stops the interpreter and waits on a CR from the socket

apd_callstack
Returns the current call stack as an array

apd_clunk
Throw a warning and a callstack

apd_continue
Restarts the interpreter

apd_croak
Throw an error, a callstack and then exit

apd_dump_function_table
Outputs the current function table

apd_dump_persistent_resources
Return all persistent resources as an array

apd_dump_regular_resources
Return all current regular resources as an array

apd_echo
Echo to the debugging socket

apd_get_active_symbols
Get an array of the current variables names in the local scope

apd_set_pprof_trace
Starts the session debugging

apd_set_session
Changes or sets the current debugging level

apd_set_session_trace
Starts the session debugging

apd_set_session_trace_socket
Starts the remote session debugging

array
新建一个数组

array_change_key_case
返回字符串键名全为小写或大写的数组

array_chunk
将一个数组分割成多个

array_column
返回数组中指定的一列

array_combine
建立一个数组,用一个数组的值做为其键名,另外一个数组的值做为其值

array_count_values
统计数组中全部的值出现的次数

array_diff
计算数组的差集

array_diff_assoc
带索引检查计算数组的差集

array_diff_key
使用键名比较计算数组的差集

array_diff_uassoc
用用户提供的回调函数作索引检查来计算数组的差集

array_diff_ukey
用回调函数对键名比较计算数组的差集

array_fill
用给定的值填充数组

array_fill_keys
使用指定的键和值填充数组

array_filter
用回调函数过滤数组中的单元

array_flip
交换数组中的键和值

array_intersect
计算数组的交集

array_intersect_assoc
带索引检查计算数组的交集

array_intersect_key
使用键名比较计算数组的交集

array_intersect_uassoc
带索引检查计算数组的交集,用回调函数比较索引

array_intersect_ukey
用回调函数比较键名来计算数组的交集

array_keys
返回数组中部分的或全部的键名

array_key_exists
检查给定的键名或索引是否存在于数组中

array_map
将回调函数做用到给定数组的单元上

array_merge
合并一个或多个数组

array_merge_recursive
递归地合并一个或多个数组

array_multisort
对多个数组或多维数组进行排序

array_pad
用值将数组填补到指定长度

array_pop
将数组最后一个单元弹出(出栈)

array_product
计算数组中全部值的乘积

array_push
将一个或多个单元压入数组的末尾(入栈)

array_rand
从数组中随机取出一个或多个单元

array_reduce
用回调函数迭代地将数组简化为单一的值

array_replace
使用传递的数组替换第一个数组的元素

array_replace_recursive
使用传递的数组递归替换第一个数组的元素

array_reverse
返回一个单元顺序相反的数组

array_search
在数组中搜索给定的值,若是成功则返回相应的键名

array_shift
将数组开头的单元移出数组

array_slice
从数组中取出一段

array_splice
把数组中的一部分去掉并用其它值取代

array_sum
计算数组中全部值的和

array_udiff
用回调函数比较数据来计算数组的差集

array_udiff_assoc
带索引检查计算数组的差集,用回调函数比较数据

array_udiff_uassoc
带索引检查计算数组的差集,用回调函数比较数据和索引

array_uintersect
计算数组的交集,用回调函数比较数据

array_uintersect_assoc
带索引检查计算数组的交集,用回调函数比较数据

array_uintersect_uassoc
带索引检查计算数组的交集,用回调函数比较数据和索引

array_unique
移除数组中重复的值

array_unshift
在数组开头插入一个或多个单元

array_values
返回数组中全部的值

array_walk
使用用户自定义函数对数组中的每一个元素作回调处理

array_walk_recursive
对数组中的每一个成员递归地应用用户函数

arsort
对数组进行逆向排序并保持索引关系

asin
反正弦

asinh
反双曲正弦

asort
对数组进行排序并保持索引关系

assert
检查一个断言是否为 FALSE

assert_options
设置/获取断言的各类标志

atan
反正切

atan2
两个参数的反正切

atanh
反双曲正切
b
函数
说明

base64_decode
对使用 MIME base64 编码的数据进行解码

base64_encode
使用 MIME base64 对数据进行编码

basename
返回路径中的文件名部分

base_convert
在任意进制之间转换数字

bbcode_add_element
Adds a bbcode element

bbcode_add_smiley
Adds a smiley to the parser

bbcode_create
Create a BBCode Resource

bbcode_destroy
Close BBCode_container resource

bbcode_parse
Parse a string following a given rule set

bbcode_set_arg_parser
Attach another parser in order to use another rule set for argument parsing

bbcode_set_flags
Set or alter parser options

bcadd
2个任意精度数字的加法计算

bccomp
比较两个任意精度的数字

bcdiv
2个任意精度的数字除法计算

bcmod
对一个任意精度数字取模

bcmul
2个任意精度数字乘法计算

bcompiler_load
从一个 bz 压缩过的文件中读取并建立类

bcompiler_load_exe
从一个 bcompiler exe 文件中读取并建立类

bcompiler_parse_class
读取一个类的字节码并回调一个用户的函数

bcompiler_read
从一个文件句柄中读取并建立类

bcompiler_write_class
写入定义过的类的字节码

bcompiler_write_constant
写入定义过的常量的字节码

bcompiler_write_exe_footer
写入开始位置以及 exe 类型文件的结尾信号

bcompiler_write_file
写入 PHP 源码文件的字节码

bcompiler_write_footer
写入单个字符 \x00 用于标识编译数据的结尾

bcompiler_write_function
以字节码写入定义过的函数

bcompiler_write_functions_from_file
以字节码写入一个文件中定义过的因此函数

bcompiler_write_header
写入 bcompiler 头

bcompiler_write_included_filename
写入一个包含的文件的字节码

bcpow
任意精度数字的成方

bcpowmod
Raise an arbitrary precision number to another, reduced by a specified modulus

bcscale
设置全部bc数学函数的默认小数点保留位数

bcsqrt
任意精度数字的二次方根

bcsub
2个任意精度数字的减法

bin2hex
函数把ASCII字符的字符串转换为十六进制值

bindec
二进制转换为十进制

bindtextdomain
Sets the path for a domain

bind_textdomain_codeset
Specify the character encoding in which the messages from the DOMAIN message catalog will be returned

blenc_encrypt
Encrypt a PHP script with BLENC.

boolval
Get the boolean value of a variable

bson_decode
反序列化一个 BSON 对象为 PHP 数组

bson_encode
序列化一个 PHP 变量为 BSON 字符串

bzclose
关闭一个 bzip2 文件

bzcompress
把一个字符串压缩成 bzip2 编码数据

bzdecompress
解压经 bzip2 编码过的数据

bzerrno
返回一个 bzip2 错误码

bzerror
返回包含 bzip2 错误号和错误字符串的一个 array

bzerrstr
返回一个 bzip2 的错误字符串

bzflush
强制写入全部写缓冲区的数据

bzopen
打开一个经 bzip2 压缩过的文件

bzread
bzip2 文件二进制安全地读取

bzwrite
二进制安全地写入 bzip2 文件
c
函数
说明

cairo_create
Returns a new CairoContext object on the requested surface.

cairo_font_face_get_type
Description

cairo_font_options_create
Description

cairo_font_options_equal
Description

cairo_font_options_get_antialias
Description

cairo_font_options_get_hint_metrics
Description

cairo_font_options_get_hint_style
Description

cairo_font_options_get_subpixel_order
Description

cairo_font_options_hash
Description

cairo_font_options_merge
Description

cairo_font_options_set_antialias
Description

cairo_font_options_set_hint_metrics
Description

cairo_font_options_set_hint_style
Description

cairo_font_options_set_subpixel_order
Description

cairo_font_options_status
Description

cairo_format_stride_for_width
Description

cairo_image_surface_create
Description

cairo_image_surface_create_for_data
Description

cairo_image_surface_create_from_png
Description

cairo_image_surface_get_data
Description

cairo_image_surface_get_format
Description

cairo_image_surface_get_height
Description

cairo_image_surface_get_stride
Description

cairo_image_surface_get_width
Description

cairo_matrix_invert
Description

cairo_matrix_multiply
Description

cairo_matrix_rotate
Description

cairo_matrix_transform_distance
Description

cairo_matrix_transform_point
Description

cairo_matrix_translate
Description

cairo_pattern_add_color_stop_rgb
Description

cairo_pattern_add_color_stop_rgba
Description

cairo_pattern_create_for_surface
Description

cairo_pattern_create_linear
Description

cairo_pattern_create_radial
Description

cairo_pattern_create_rgb
Description

cairo_pattern_create_rgba
Description

cairo_pattern_get_color_stop_count
Description

cairo_pattern_get_color_stop_rgba
Description

cairo_pattern_get_extend
Description

cairo_pattern_get_filter
Description

cairo_pattern_get_linear_points
Description

cairo_pattern_get_matrix
Description

cairo_pattern_get_radial_circles
Description

cairo_pattern_get_rgba
Description

cairo_pattern_get_surface
Description

cairo_pattern_get_type
Description

cairo_pattern_set_extend
Description

cairo_pattern_set_filter
Description

cairo_pattern_set_matrix
Description

cairo_pattern_status
Description

cairo_pdf_surface_create
Description

cairo_pdf_surface_set_size
Description

cairo_ps_get_levels
Description

cairo_ps_level_to_string
Description

cairo_ps_surface_create
Description

cairo_ps_surface_dsc_begin_page_setup
Description

cairo_ps_surface_dsc_begin_setup
Description

cairo_ps_surface_dsc_comment
Description

cairo_ps_surface_get_eps
Description

cairo_ps_surface_restrict_to_level
Description

cairo_ps_surface_set_eps
Description

cairo_ps_surface_set_size
Description

cairo_scaled_font_create
Description

cairo_scaled_font_extents
Description

cairo_scaled_font_get_ctm
Description

cairo_scaled_font_get_font_face
Description

cairo_scaled_font_get_font_matrix
Description

cairo_scaled_font_get_font_options
Description

cairo_scaled_font_get_scale_matrix
Description

cairo_scaled_font_get_type
Description

cairo_scaled_font_glyph_extents
Description

cairo_scaled_font_status
Description

cairo_scaled_font_text_extents
Description

cairo_surface_copy_page
Description

cairo_surface_create_similar
Description

cairo_surface_finish
Description

cairo_surface_flush
Description

cairo_surface_get_content
Description

cairo_surface_get_device_offset
Description

cairo_surface_get_font_options
Description

cairo_surface_get_type
Description

cairo_surface_mark_dirty
Description

cairo_surface_mark_dirty_rectangle
Description

cairo_surface_set_device_offset
Description

cairo_surface_set_fallback_resolution
Description

cairo_surface_show_page
Description

cairo_surface_status
Description

cairo_surface_write_to_png
Description

cairo_svg_surface_create
Description

cairo_svg_surface_restrict_to_version
Description

cairo_svg_version_to_string
Description

calculhmac
Obtain a hmac key (needs 2 arguments)

calcul_hmac
Obtain a hmac key (needs 8 arguments)

call_user_func
把第一个参数做为回调函数调用

call_user_func_array
调用回调函数,并把一个数组参数做为回调函数的参数

call_user_method
对特定对象调用用户方法(已废弃)

call_user_method_array
调用一个用户方法,同时传递参数数组(已废弃)

cal_days_in_month
返回某个历法中某年中某月的天数

cal_from_jd
转换Julian Day计数到一个支持的历法。

cal_info
返回选定历法的信息

cal_to_jd
从一个支持的历法转变为Julian Day计数。

ceil
进一法取整

chdb_create
Creates a chdb file

chdir
改变目录

checkdate
验证一个格里高里日期

checkdnsrr
给指定的主机(域名)或者IP地址作DNS通讯检查

chgrp
改变文件所属的组

chmod
改变文件模式

chop
rtrim 的别名

chown
改变文件的全部者

chr
返回指定的字符

chroot
改变根目录

chunk_split
将字符串分割成小块

classkit_import
Import new class method definitions from a file

classkit_method_add
Dynamically adds a new method to a given class

classkit_method_copy
Copies a method from class to another

classkit_method_redefine
Dynamically changes the code of the given method

classkit_method_remove
Dynamically removes the given method

classkit_method_rename
Dynamically changes the name of the given method

class_alias
为一个类建立别名

class_exists
检查类是否已定义

class_implements
返回指定的类实现的全部接口。

class_parents
返回指定类的父类。

class_uses
Return the traits used by the given class

clearstatcache
清除文件状态缓存

cli_get_process_title
Returns the current process title

cli_set_process_title
Sets the process title

closedir
关闭目录句柄

closelog
关闭系统日志连接

compact
创建一个数组,包括变量名和它们的值

com_create_guid
Generate a globally unique identifier (GUID)

com_event_sink
Connect events from a COM object to a PHP object

com_get_active_object
Returns a handle to an already running instance of a COM object

com_load_typelib
装载一个 Typelib

com_message_pump
Process COM messages, sleeping for up to timeoutms milliseconds

com_print_typeinfo
Print out a PHP class definition for a dispatchable interface

connection_aborted
检查客户端是否已经断开

connection_status
返回链接的状态位

constant
返回一个常量的值

Constants for PDO_4D
Constants for PDO_4D

Context 参数
Context 参数列表

convert_cyr_string
将字符由一种 Cyrillic 字符转换成另外一种

convert_uudecode
解码一个 uuencode 编码的字符串

convert_uuencode
使用 uuencode 编码一个字符串

copy
拷贝文件

cos
余弦

cosh
双曲余弦

count
计算数组中的单元数目或对象中的属性个数

counter_bump
修改简单计数器的当前值。

counter_bump_value
更新计数器资源的当前值。

counter_create
建立一个包含单个数值的计数器。

counter_get
获取简单计数器的当前值。

counter_get_meta
返回计数器资源的部分元信息。

counter_get_named
按名称查询一个已存在的计数器,并做为资源返回。

counter_get_value
获取计数器资源的当前值。

counter_reset
重置简单计数器的当前值。

counter_reset_value
重置计数器资源的当前值。

count_chars
返回字符串所用字符的信息

crack_check
Performs an obscure check with the given password

crack_closedict
Closes an open CrackLib dictionary

crack_getlastmessage
Returns the message from the last obscure check

crack_opendict
Opens a new CrackLib dictionary

crc32
计算一个字符串的 crc32 多项式

create_function
Create an anonymous (lambda-style) function

crypt
单向字符串散列

ctype_alnum
作字母和数字字符检测

ctype_alpha
作纯字符检测

ctype_cntrl
作控制字符检测

ctype_digit
作纯数字检测

ctype_graph
作可打印字符串检测,空格除外

ctype_lower
作小写字符检测

ctype_print
作可打印字符检测

ctype_punct
检测可打印的字符是否是不包含空白、数字和字母

ctype_space
作空白字符检测

ctype_upper
作大写字母检测

ctype_xdigit
检测字符串是否只包含十六进制字符

cubrid_affected_rows
Return the number of rows affected by the last SQL statement

cubrid_bind
Bind variables to a prepared statement as parameters

cubrid_client_encoding
Return the current CUBRID connection charset

cubrid_close
Close CUBRID connection

cubrid_close_prepare
Close the request handle

cubrid_close_request
Close the request handle

cubrid_column_names
Get the column names in result

cubrid_column_types
Get column types in result

cubrid_col_get
Get contents of collection type column using OID

cubrid_col_size
Get the number of elements in collection type column using OID

cubrid_commit
Commit a transaction

cubrid_connect
Open a connection to a CUBRID Server

cubrid_connect_with_url
Establish the environment for connecting to CUBRID server

cubrid_current_oid
Get OID of the current cursor location

cubrid_data_seek
Move the internal row pointer of the CUBRID result

cubrid_db_name
Get db name from results of cubrid_list_dbs

cubrid_disconnect
Close a database connection

cubrid_drop
Delete an instance using OID

cubrid_errno
Return the numerical value of the error message from previous CUBRID operation

cubrid_error
Get the error message

cubrid_error_code
Get error code for the most recent function call

cubrid_error_code_facility
Get the facility code of error

cubrid_error_msg
Get last error message for the most recent function call

cubrid_execute
Execute a prepared SQL statement

cubrid_fetch
Fetch the next row from a result set

cubrid_fetch_array
Fetch a result row as an associative array, a numeric array, or both

cubrid_fetch_assoc
Return the associative array that corresponds to the fetched row

cubrid_fetch_field
Get column information from a result and return as an object

cubrid_fetch_lengths
Return an array with the lengths of the values of each field from the current row

cubrid_fetch_object
Fetche the next row and returns it as an object

cubrid_fetch_row
Return a numerical array with the values of the current row

cubrid_field_flags
Return a string with the flags of the given field offset

cubrid_field_len
Get the maximum length of the specified field

cubrid_field_name
Return the name of the specified field index

cubrid_field_seek
Move the result set cursor to the specified field offset

cubrid_field_table
Return the name of the table of the specified field

cubrid_field_type
Return the type of the column corresponding to the given field offset

cubrid_free_result
Free the memory occupied by the result data

cubrid_get
Get a column using OID

cubrid_get_autocommit
Get auto-commit mode of the connection

cubrid_get_charset
Return the current CUBRID connection charset

cubrid_get_class_name
Get the class name using OID

cubrid_get_client_info
Return the client library version

cubrid_get_db_parameter
Returns the CUBRID database parameters

cubrid_get_query_timeout
Get the query timeout value of the request

cubrid_get_server_info
Return the CUBRID server version

cubrid_insert_id
Return the ID generated for the last updated AUTO_INCREMENT column

cubrid_is_instance
Check whether the instance pointed by OID exists

cubrid_list_dbs
Return an array with the list of all existing CUBRID databases

cubrid_load_from_glo
Read data from a GLO instance and save it in a file

cubrid_lob2_bind
Bind a lob object or a string as a lob object to a prepared statement as parameters.

cubrid_lob2_close
Close LOB object.

cubrid_lob2_export
Export the lob object to a file.

cubrid_lob2_import
Import BLOB/CLOB data from a file.

cubrid_lob2_new
Create a lob object.

cubrid_lob2_read
Read from BLOB/CLOB data.

cubrid_lob2_seek
Move the cursor of a lob object.

cubrid_lob2_seek64
Move the cursor of a lob object.

cubrid_lob2_size
Get a lob object’s size.

cubrid_lob2_size64
Get a lob object’s size.

cubrid_lob2_tell
Tell the cursor position of the LOB object.

cubrid_lob2_tell64
Tell the cursor position of the LOB object.

cubrid_lob2_write
Write to a lob object.

cubrid_lob_close
Close BLOB/CLOB data

cubrid_lob_export
Export BLOB/CLOB data to file

cubrid_lob_get
Get BLOB/CLOB data

cubrid_lob_send
Read BLOB/CLOB data and send straight to browser

cubrid_lob_size
Get BLOB/CLOB data size

cubrid_lock_read
Set a read lock on the given OID

cubrid_lock_write
Set a write lock on the given OID

cubrid_move_cursor
Move the cursor in the result

cubrid_new_glo
Create a glo instance

cubrid_next_result
Get result of next query when executing multiple SQL statements

cubrid_num_cols
Return the number of columns in the result set

cubrid_num_fields
Return the number of columns in the result set

cubrid_num_rows
Get the number of rows in the result set

cubrid_pconnect
Open a persistent connection to a CUBRID server

cubrid_pconnect_with_url
Open a persistent connection to CUBRID server

cubrid_ping
Ping a server connection or reconnect if there is no connection

cubrid_prepare
Prepare a SQL statement for execution

cubrid_put
Update a column using OID

cubrid_query
Send a CUBRID query

cubrid_real_escape_string
Escape special characters in a string for use in an SQL statement

cubrid_result
Return the value of a specific field in a specific row

cubrid_rollback
Roll back a transaction

cubrid_save_to_glo
Save requested file in a GLO instance

cubrid_schema
Get the requested schema information

cubrid_send_glo
Read data from glo and send it to std output

cubrid_seq_drop
Delete an element from sequence type column using OID

cubrid_seq_insert
Insert an element to a sequence type column using OID

cubrid_seq_put
Update the element value of sequence type column using OID

cubrid_set_add
Insert a single element to set type column using OID

cubrid_set_autocommit
Set autocommit mode of the connection

cubrid_set_db_parameter
Sets the CUBRID database parameters

cubrid_set_drop
Delete an element from set type column using OID

cubrid_set_query_timeout
Set the timeout time of query execution

cubrid_unbuffered_query
Perform a query without fetching the results into memory

cubrid_version
Get the CUBRID PHP module’s version

CURL context options
CURL 上下文选项列表

curl_close
关闭一个cURL会话

curl_copy_handle
复制一个cURL句柄和它的全部选项

curl_errno
返回最后一次的错误号

curl_error
返回一个保护当前会话最近一次错误的字符串

curl_escape
使用 URL 编码给定的字符串

curl_exec
执行一个cURL会话

curl_file_create
建立一个 CURLFile 对象

curl_getinfo
获取一个cURL链接资源句柄的信息

curl_init
初始化一个cURL会话

curl_multi_add_handle
向curl批处理会话中添加单独的curl句柄

curl_multi_close
关闭一组cURL句柄

curl_multi_exec
运行当前 cURL 句柄的子链接

curl_multi_getcontent
若是设置了CURLOPT_RETURNTRANSFER,则返回获取的输出的文本流

curl_multi_info_read
获取当前解析的cURL的相关传输信息

curl_multi_init
返回一个新cURL批处理句柄

curl_multi_remove_handle
移除curl批处理句柄资源中的某个句柄资源

curl_multi_select
等待全部cURL批处理中的活动链接

curl_multi_setopt
为 cURL 并行处理设置一个选项

curl_multi_strerror
Return string describing error code

curl_pause
Pause and unpause a connection

curl_reset
Reset all options of a libcurl session handle

curl_setopt
设置一个cURL传输选项

curl_setopt_array
为cURL传输会话批量设置选项

curl_share_close
Close a cURL share handle

curl_share_init
Initialize a cURL share handle

curl_share_setopt
Set an option for a cURL share handle.

curl_strerror
Return string describing the given error code

curl_unescape
解码给定的 URL 编码的字符串

curl_version
获取cURL版本信息

current
返回数组中的当前单元

cyrus_authenticate
Authenticate against a Cyrus IMAP server

cyrus_bind
Bind callbacks to a Cyrus IMAP connection

cyrus_close
Close connection to a Cyrus IMAP server

cyrus_connect
Connect to a Cyrus IMAP server

cyrus_query
Send a query to a Cyrus IMAP server

cyrus_unbind
Unbind …
d
函数
说明

date
格式化一个本地时间/日期

date_default_timezone_get
取得一个脚本中全部日期时间函数所使用的默认时区

date_default_timezone_set
设定用于一个脚本中全部日期时间函数的默认时区

date_parse
Returns associative array with detailed info about given date

date_parse_from_format
Get info about given date formatted according to the specified format

date_sunrise
返回给定的日期与地点的日出时间

date_sunset
返回给定的日期与地点的日落时间

date_sun_info
Returns an array with information about sunset/sunrise and twilight begin/end

db2_autocommit
Returns or sets the AUTOCOMMIT state for a database connection

db2_bind_param
Binds a PHP variable to an SQL statement parameter

db2_client_info
Returns an object with properties that describe the DB2 database client

db2_close
Closes a database connection

db2_columns
Returns a result set listing the columns and associated metadata for a table

db2_column_privileges
Returns a result set listing the columns and associated privileges for a table

db2_commit
Commits a transaction

db2_connect
Returns a connection to a database

db2_conn_error
Returns a string containing the SQLSTATE returned by the last connection attempt

db2_conn_errormsg
Returns the last connection error message and SQLCODE value

db2_cursor_type
Returns the cursor type used by a statement resource

db2_escape_string
Used to escape certain characters

db2_exec
Executes an SQL statement directly

db2_execute
Executes a prepared SQL statement

db2_fetch_array
Returns an array, indexed by column position, representing a row in a result set

db2_fetch_assoc
Returns an array, indexed by column name, representing a row in a result set

db2_fetch_both
Returns an array, indexed by both column name and position, representing a row in a result set

db2_fetch_object
Returns an object with properties representing columns in the fetched row

db2_fetch_row
Sets the result set pointer to the next row or requested row

db2_field_display_size
Returns the maximum number of bytes required to display a column

db2_field_name
Returns the name of the column in the result set

db2_field_num
Returns the position of the named column in a result set

db2_field_precision
Returns the precision of the indicated column in a result set

db2_field_scale
Returns the scale of the indicated column in a result set

db2_field_type
Returns the data type of the indicated column in a result set

db2_field_width
Returns the width of the current value of the indicated column in a result set

db2_foreign_keys
Returns a result set listing the foreign keys for a table

db2_free_result
Frees resources associated with a result set

db2_free_stmt
Frees resources associated with the indicated statement resource

db2_get_option
Retrieves an option value for a statement resource or a connection resource

db2_last_insert_id
Returns the auto generated ID of the last insert query that successfully executed on this connection

db2_lob_read
Gets a user defined size of LOB files with each invocation

db2_next_result
Requests the next result set from a stored procedure

db2_num_fields
Returns the number of fields contained in a result set

db2_num_rows
Returns the number of rows affected by an SQL statement

db2_pclose
Closes a persistent database connection

db2_pconnect
Returns a persistent connection to a database

db2_prepare
Prepares an SQL statement to be executed

db2_primary_keys
Returns a result set listing primary keys for a table

db2_procedures
Returns a result set listing the stored procedures registered in a database

db2_procedure_columns
Returns a result set listing stored procedure parameters

db2_result
Returns a single column from a row in the result set

db2_rollback
Rolls back a transaction

db2_server_info
Returns an object with properties that describe the DB2 database server

db2_set_option
Set options for connection or statement resources

db2_special_columns
Returns a result set listing the unique row identifier columns for a table

db2_statistics
Returns a result set listing the index and statistics for a table

db2_stmt_error
Returns a string containing the SQLSTATE returned by an SQL statement

db2_stmt_errormsg
Returns a string containing the last SQL statement error message

db2_tables
Returns a result set listing the tables and associated metadata in a database

db2_table_privileges
Returns a result set listing the tables and associated privileges in a database

dbase_add_record
Adds a record to a database

dbase_close
Closes a database

dbase_create
Creates a database

dbase_delete_record
Deletes a record from a database

dbase_get_header_info
Gets the header info of a database

dbase_get_record
Gets a record from a database as an indexed array

dbase_get_record_with_names
Gets a record from a database as an associative array

dbase_numfields
Gets the number of fields of a database

dbase_numrecords
Gets the number of records in a database

dbase_open
Opens a database

dbase_pack
Packs a database

dbase_replace_record
Replaces a record in a database

dba_close
Close a DBA database

dba_delete
Delete DBA entry specified by key

dba_exists
Check whether key exists

dba_fetch
Fetch data specified by key

dba_firstkey
Fetch first key

dba_handlers
List all the handlers available

dba_insert
Insert entry

dba_key_split
Splits a key in string representation into array representation

dba_list
List all open database files

dba_nextkey
Fetch next key

dba_open
Open database

dba_optimize
Optimize database

dba_popen
Open database persistently

dba_replace
Replace or insert entry

dba_sync
Synchronize database

dbplus_add
Add a tuple to a relation

dbplus_aql
Perform AQL query

dbplus_chdir
Get/Set database virtual current directory

dbplus_close
Close a relation

dbplus_curr
Get current tuple from relation

dbplus_errcode
Get error string for given errorcode or last error

dbplus_errno
Get error code for last operation

dbplus_find
Set a constraint on a relation

dbplus_first
Get first tuple from relation

dbplus_flush
Flush all changes made on a relation

dbplus_freealllocks
Free all locks held by this client

dbplus_freelock
Release write lock on tuple

dbplus_freerlocks
Free all tuple locks on given relation

dbplus_getlock
Get a write lock on a tuple

dbplus_getunique
Get an id number unique to a relation

dbplus_info
Get information about a relation

dbplus_last
Get last tuple from relation

dbplus_lockrel
Request write lock on relation

dbplus_next
Get next tuple from relation

dbplus_open
Open relation file

dbplus_prev
Get previous tuple from relation

dbplus_rchperm
Change relation permissions

dbplus_rcreate
Creates a new DB++ relation

dbplus_rcrtexact
Creates an exact but empty copy of a relation including indices

dbplus_rcrtlike
Creates an empty copy of a relation with default indices

dbplus_resolve
Resolve host information for relation

dbplus_restorepos
Restore position

dbplus_rkeys
Specify new primary key for a relation

dbplus_ropen
Open relation file local

dbplus_rquery
Perform local (raw) AQL query

dbplus_rrename
Rename a relation

dbplus_rsecindex
Create a new secondary index for a relation

dbplus_runlink
Remove relation from filesystem

dbplus_rzap
Remove all tuples from relation

dbplus_savepos
Save position

dbplus_setindex
Set index

dbplus_setindexbynumber
Set index by number

dbplus_sql
Perform SQL query

dbplus_tcl
Execute TCL code on server side

dbplus_tremove
Remove tuple and return new current tuple

dbplus_undo
Undo

dbplus_undoprepare
Prepare undo

dbplus_unlockrel
Give up write lock on relation

dbplus_unselect
Remove a constraint from relation

dbplus_update
Update specified tuple in relation

dbplus_xlockrel
Request exclusive lock on relation

dbplus_xunlockrel
Free exclusive lock on relation

dbx_close
Close an open connection/database

dbx_compare
Compare two rows for sorting purposes

dbx_connect
Open a connection/database

dbx_error
Report the error message of the latest function call in the module

dbx_escape_string
Escape a string so it can safely be used in an sql-statement

dbx_fetch_row
Fetches rows from a query-result that had the DBX_RESULT_UNBUFFERED flag set

dbx_query
Send a query and fetch all results (if any)

dbx_sort
Sort a result from a dbx_query by a custom sort function

dcgettext
Overrides the domain for a single lookup

dcngettext
Plural version of dcgettext

debug_backtrace
产生一条回溯跟踪(backtrace)

debug_print_backtrace
打印一条回溯。

debug_zval_dump
Dumps a string representation of an internal zend value to output

decbin
十进制转换为二进制

dechex
十进制转换为十六进制

decoct
十进制转换为八进制

define
定义一个常量

defined
检查某个名称的常量是否存在

define_syslog_variables
Initializes all syslog related variables

deg2rad
将角度转换为弧度

delete
参见 unlink 或 unset

dgettext
Override the current domain

die
等同于 exit

dio_close
Closes the file descriptor given by fd

dio_fcntl
Performs a c library fcntl on fd

dio_open
Opens a file (creating it if necessary) at a lower level than the C library input/ouput stream functions allow.

dio_read
Reads bytes from a file descriptor

dio_seek
Seeks to pos on fd from whence

dio_stat
Gets stat information about the file descriptor fd

dio_tcsetattr
Sets terminal attributes and baud rate for a serial port

dio_truncate
Truncates file descriptor fd to offset bytes

dio_write
Writes data to fd with optional truncation at length

dir
返回一个 Directory 类实例

dirname
返回路径中的目录部分

diskfreespace
disk_free_space 的别名

disk_free_space
返回目录中的可用空间

disk_total_space
返回一个目录的磁盘总大小

dl
运行时载入一个 PHP 扩展

dngettext
Plural version of dgettext

dns_check_record
别名 checkdnsrr

dns_get_mx
别名 getmxrr

dns_get_record
获取指定主机的DNS记录

dom_import_simplexml
Gets a DOMElement object from a SimpleXMLElement object

doubleval
floatval 的别名
e
函数
说明

each
返回数组中当前的键/值对并将数组指针向前移动一步

easter_date
获得指定年份的复活节午夜时的Unix时间戳。

easter_days
获得指定年份的3月21日到复活节之间的天数

echo
输出一个或多个字符串

eio_busy
Artificially increase load. Could be useful in tests, benchmarking.

eio_cancel
Cancels a request

eio_chmod
Change file/direcrory permissions.

eio_chown
Change file/direcrory permissions.

eio_close
Close file

eio_custom
Execute custom request like any other eio_* call.

eio_dup2
Duplicate a file descriptor

eio_event_loop
Polls libeio until all requests proceeded

eio_fallocate
Allows the caller to directly manipulate the allocated disk space for a file

eio_fchmod
Change file permissions.

eio_fchown
Change file ownership

eio_fdatasync
Synchronize a file’s in-core state with storage device.

eio_fstat
Get file status

eio_fstatvfs
Get file system statistics

eio_fsync
Synchronize a file’s in-core state with storage device

eio_ftruncate
Truncate a file

eio_futime
Change file last access and modification times

eio_get_event_stream
Get stream representing a variable used in internal communications with libeio.

eio_get_last_error
Returns string describing the last error associated with a request resource

eio_grp
Createsa request group.

eio_grp_add
Adds a request to the request group.

eio_grp_cancel
Cancels a request group

eio_grp_limit
Set group limit

eio_init
(Re-)initialize Eio

eio_link
Create a hardlink for file

eio_lstat
Get file status

eio_mkdir
Create directory

eio_mknod
Create a special or ordinary file.

eio_nop
Does nothing, except go through the whole request cycle.

eio_npending
Returns number of finished, but unhandled requests

eio_nready
Returns number of not-yet handled requests

eio_nreqs
Returns number of requests to be processed

eio_nthreads
Returns number of threads currently in use

eio_open
Opens a file

eio_poll
Can be to be called whenever there are pending requests that need finishing.

eio_read
Read from a file descriptor at given offset.

eio_readahead
Perform file readahead into page cache

eio_readdir
Reads through a whole directory

eio_readlink
Read value of a symbolic link.

eio_realpath
Get the canonicalized absolute pathname.

eio_rename
Change the name or location of a file.

eio_rmdir
Remove a directory

eio_seek
Repositions the offset of the open file associated with the fd argument to the argument offset according to the directive whence

eio_sendfile
Transfer data between file descriptors

eio_set_max_idle
Set maximum number of idle threads.

eio_set_max_parallel
Set maximum parallel threads

eio_set_max_poll_reqs
Set maximum number of requests processed in a poll.

eio_set_max_poll_time
Set maximum poll time

eio_set_min_parallel
Set minimum parallel thread number

eio_stat
Get file status

eio_statvfs
Get file system statistics

eio_symlink
Create a symbolic link

eio_sync
Commit buffer cache to disk

eio_syncfs
Calls Linux’ syncfs syscall, if available

eio_sync_file_range
Sync a file segment with disk

eio_truncate
Truncate a file

eio_unlink
Delete a name and possibly the file it refers to

eio_utime
Change file last access and modification times.

eio_write
Write to file

empty
检查一个变量是否为空

enchant_broker_describe
Enumerates the Enchant providers

enchant_broker_dict_exists
Whether a dictionary exists or not. Using non-empty tag

enchant_broker_free
Free the broker resource and its dictionnaries

enchant_broker_free_dict
Free a dictionary resource

enchant_broker_get_dict_path
Get the directory path for a given backend

enchant_broker_get_error
Returns the last error of the broker

enchant_broker_init
create a new broker object capable of requesting

enchant_broker_list_dicts
Returns a list of available dictionaries

enchant_broker_request_dict
create a new dictionary using a tag

enchant_broker_request_pwl_dict
creates a dictionary using a PWL file

enchant_broker_set_dict_path
Set the directory path for a given backend

enchant_broker_set_ordering
Declares a preference of dictionaries to use for the language

enchant_dict_add_to_personal
add a word to personal word list

enchant_dict_add_to_session
add ‘word’ to this spell-checking session

enchant_dict_check
Check whether a word is correctly spelled or not

enchant_dict_describe
Describes an individual dictionary

enchant_dict_get_error
Returns the last error of the current spelling-session

enchant_dict_is_in_session
whether or not ‘word’ exists in this spelling-session

enchant_dict_quick_check
Check the word is correctly spelled and provide suggestions

enchant_dict_store_replacement
Add a correction for a word

enchant_dict_suggest
Will return a list of values if any of those pre-conditions are not met

end
将数组的内部指针指向最后一个单元

ereg
正则表达式匹配

eregi
不区分大小写的正则表达式匹配

eregi_replace
不区分大小写的正则表达式替换

ereg_replace
正则表达式替换

error_clear_last
Clear the most recent error

error_get_last
获取最后发生的错误

error_log
发送错误信息到某个地方

error_reporting
设置应该报告何种 PHP 错误

escapeshellarg
把字符串转码为能够在 shell 命令里使用的参数

escapeshellcmd
shell 元字符转义

eval
把字符串做为PHP代码执行

event_base_free
Destroy event base

event_base_loop
Handle events

event_base_loopbreak
Abort event loop

event_base_loopexit
Exit loop after a time

event_base_new
Create and initialize new event base

event_base_priority_init
Set the number of event priority levels

event_base_reinit
Reinitialize the event base after a fork

event_base_set
Associate event base with an event

event_buffer_base_set
Associate buffered event with an event base

event_buffer_disable
Disable a buffered event

event_buffer_enable
Enable a buffered event

event_buffer_fd_set
Change a buffered event file descriptor

event_buffer_free
Destroy buffered event

event_buffer_new
Create new buffered event

event_buffer_priority_set
Assign a priority to a buffered event

event_buffer_read
Read data from a buffered event

event_buffer_set_callback
Set or reset callbacks for a buffered event

event_buffer_timeout_set
Set read and write timeouts for a buffered event

event_buffer_watermark_set
Set the watermarks for read and write events

event_buffer_write
Write data to a buffered event

event_new
Create new event

event_priority_set
Assign a priority to an event.

event_timer_add
别名 event_add

event_timer_del
别名 event_del

event_timer_new
别名 event_new

event_timer_set
Prepare a timer event

Examples with PDO_4D
Examples PDO_4D

exec
执行一个外部程序

exif_imagetype
判断一个图像的类型

exif_read_data
从 JPEG 或 TIFF 文件中读取 EXIF 头信息

exif_tagname
获取指定索引的头名称

exif_thumbnail
取得嵌入在 TIFF 或 JPEG 图像中的缩略图

exit
输出一个消息而且退出当前脚本

exp
计算 e 的指数

expect_expectl
Waits until the output from a process matches one of the patterns, a specified time period has passed, or an EOF is seen

expect_popen
Execute command via Bourne shell, and open the PTY stream to the process

explode
使用一个字符串分割另外一个字符串

expm1
返回 exp(number)

extension_loaded
检查一个扩展是否已经加载

extract
从数组中将变量导入到当前的符号表

ezmlm_hash
计算 EZMLM 所需的散列值
f
函数
说明

fam_cancel_monitor
Terminate monitoring

fam_close
Close FAM connection

fam_monitor_collection
Monitor a collection of files in a directory for changes

fam_monitor_directory
Monitor a directory for changes

fam_monitor_file
Monitor a regular file for changes

fam_next_event
Get next pending FAM event

fam_open
Open connection to FAM daemon

fam_pending
Check for pending FAM events

fam_resume_monitor
Resume suspended monitoring

fam_suspend_monitor
Temporarily suspend monitoring

fann_cascadetrain_on_data
Trains on an entire dataset, for a period of time using the Cascade2 training algorithm

fann_cascadetrain_on_file
Trains on an entire dataset read from file, for a period of time using the Cascade2 training algorithm.

fann_clear_scaling_params
Clears scaling parameters

fann_copy
Creates a copy of a fann structure

fann_create_from_file
Constructs a backpropagation neural network from a configuration file

fann_create_shortcut
Creates a standard backpropagation neural network which is not fully connectected and has shortcut connections

fann_create_shortcut_array
Creates a standard backpropagation neural network which is not fully connectected and has shortcut connections

fann_create_sparse
Creates a standard backpropagation neural network, which is not fully connected

fann_create_sparse_array
Creates a standard backpropagation neural network, which is not fully connected using an array of layer sizes

fann_create_standard
Creates a standard fully connected backpropagation neural network

fann_create_standard_array
Creates a standard fully connected backpropagation neural network using an array of layer sizes

fann_create_train
Creates an empty training data struct

fann_create_train_from_callback
Creates the training data struct from a user supplied function

fann_descale_input
Scale data in input vector after get it from ann based on previously calculated parameters

fann_descale_output
Scale data in output vector after get it from ann based on previously calculated parameters

fann_descale_train
Descale input and output data based on previously calculated parameters

fann_destroy
Destroys the entire network and properly freeing all the associated memory

fann_destroy_train
Destructs the training data

fann_duplicate_train_data
Returns an exact copy of a fann train data

fann_get_activation_function
Returns the activation function

fann_get_activation_steepness
Returns the activation steepness for supplied neuron and layer number

fann_get_bias_array
Get the number of bias in each layer in the network

fann_get_bit_fail
The number of fail bits

fann_get_bit_fail_limit
Returns the bit fail limit used during training

fann_get_cascade_activation_functions
Returns the cascade activation functions

fann_get_cascade_activation_functions_count
Returns the number of cascade activation functions

fann_get_cascade_activation_steepnesses
Returns the cascade activation steepnesses

fann_get_cascade_activation_steepnesses_count
The number of activation steepnesses

fann_get_cascade_candidate_change_fraction
Returns the cascade candidate change fraction

fann_get_cascade_candidate_limit
Return the candidate limit

fann_get_cascade_candidate_stagnation_epochs
Returns the number of cascade candidate stagnation epochs

fann_get_cascade_max_cand_epochs
Returns the maximum candidate epochs

fann_get_cascade_max_out_epochs
Returns the maximum out epochs

fann_get_cascade_min_cand_epochs
Returns the minimum candidate epochs

fann_get_cascade_min_out_epochs
Returns the minimum out epochs

fann_get_cascade_num_candidates
Returns the number of candidates used during training

fann_get_cascade_num_candidate_groups
Returns the number of candidate groups

fann_get_cascade_output_change_fraction
Returns the cascade output change fraction

fann_get_cascade_output_stagnation_epochs
Returns the number of cascade output stagnation epochs

fann_get_cascade_weight_multiplier
Returns the weight multiplier

fann_get_connection_array
Get connections in the network

fann_get_connection_rate
Get the connection rate used when the network was created

fann_get_errno
Returns the last error number

fann_get_errstr
Returns the last errstr

fann_get_layer_array
Get the number of neurons in each layer in the network

fann_get_learning_momentum
Returns the learning momentum

fann_get_learning_rate
Returns the learning rate

fann_get_MSE
Reads the mean square error from the network

fann_get_network_type
Get the type of neural network it was created as

fann_get_num_input
Get the number of input neurons

fann_get_num_layers
Get the number of layers in the neural network

fann_get_num_output
Get the number of output neurons

fann_get_quickprop_decay
Returns the decay which is a factor that weights should decrease in each iteration during quickprop training

fann_get_quickprop_mu
Returns the mu factor

fann_get_rprop_decrease_factor
Returns the increase factor used during RPROP training

fann_get_rprop_delta_max
Returns the maximum step-size

fann_get_rprop_delta_min
Returns the minimum step-size

fann_get_rprop_delta_zero
Returns the initial step-size

fann_get_rprop_increase_factor
Returns the increase factor used during RPROP training

fann_get_sarprop_step_error_shift
Returns the sarprop step error shift

fann_get_sarprop_step_error_threshold_factor
Returns the sarprop step error threshold factor

fann_get_sarprop_temperature
Returns the sarprop temperature

fann_get_sarprop_weight_decay_shift
Returns the sarprop weight decay shift

fann_get_total_connections
Get the total number of connections in the entire network

fann_get_total_neurons
Get the total number of neurons in the entire network

fann_get_training_algorithm
Returns the training algorithm

fann_get_train_error_function
Returns the error function used during training

fann_get_train_stop_function
Returns the stop function used during training

fann_init_weights
Initialize the weights using Widrow + Nguyen’s algorithm

fann_length_train_data
Returns the number of training patterns in the train data

fann_merge_train_data
Merges the train data

fann_num_input_train_data
Returns the number of inputs in each of the training patterns in the train data

fann_num_output_train_data
Returns the number of outputs in each of the training patterns in the train data

fann_print_error
Prints the error string

fann_randomize_weights
Give each connection a random weight between min_weight and max_weight

fann_read_train_from_file
Reads a file that stores training data

fann_reset_errno
Resets the last error number

fann_reset_errstr
Resets the last error string

fann_reset_MSE
Resets the mean square error from the network

fann_run
Will run input through the neural network

fann_save
Saves the entire network to a configuration file

fann_save_train
Save the training structure to a file

fann_scale_input
Scale data in input vector before feed it to ann based on previously calculated parameters

fann_scale_input_train_data
Scales the inputs in the training data to the specified range

fann_scale_output
Scale data in output vector before feed it to ann based on previously calculated parameters

fann_scale_output_train_data
Scales the outputs in the training data to the specified range

fann_scale_train
Scale input and output data based on previously calculated parameters

fann_scale_train_data
Scales the inputs and outputs in the training data to the specified range

fann_set_activation_function
Sets the activation function for supplied neuron and layer

fann_set_activation_function_hidden
Sets the activation function for all of the hidden layers

fann_set_activation_function_layer
Sets the activation function for all the neurons in the supplied layer.

fann_set_activation_function_output
Sets the activation function for the output layer

fann_set_activation_steepness
Sets the activation steepness for supplied neuron and layer number

fann_set_activation_steepness_hidden
Sets the steepness of the activation steepness for all neurons in the all hidden layers

fann_set_activation_steepness_layer
Sets the activation steepness for all of the neurons in the supplied layer number

fann_set_activation_steepness_output
Sets the steepness of the activation steepness in the output layer

fann_set_bit_fail_limit
Set the bit fail limit used during training

fann_set_callback
Sets the callback function for use during training

fann_set_cascade_activation_functions
Sets the array of cascade candidate activation functions

fann_set_cascade_activation_steepnesses
Sets the array of cascade candidate activation steepnesses

fann_set_cascade_candidate_change_fraction
Sets the cascade candidate change fraction

fann_set_cascade_candidate_limit
Sets the candidate limit

fann_set_cascade_candidate_stagnation_epochs
Sets the number of cascade candidate stagnation epochs

fann_set_cascade_max_cand_epochs
Sets the max candidate epochs

fann_set_cascade_max_out_epochs
Sets the maximum out epochs

fann_set_cascade_min_cand_epochs
Sets the min candidate epochs

fann_set_cascade_min_out_epochs
Sets the minimum out epochs

fann_set_cascade_num_candidate_groups
Sets the number of candidate groups

fann_set_cascade_output_change_fraction
Sets the cascade output change fraction

fann_set_cascade_output_stagnation_epochs
Sets the number of cascade output stagnation epochs

fann_set_cascade_weight_multiplier
Sets the weight multiplier

fann_set_error_log
Sets where the errors are logged to

fann_set_input_scaling_params
Calculate input scaling parameters for future use based on training data

fann_set_learning_momentum
Sets the learning momentum

fann_set_learning_rate
Sets the learning rate

fann_set_output_scaling_params
Calculate output scaling parameters for future use based on training data

fann_set_quickprop_decay
Sets the quickprop decay factor

fann_set_quickprop_mu
Sets the quickprop mu factor

fann_set_rprop_decrease_factor
Sets the decrease factor used during RPROP training

fann_set_rprop_delta_max
Sets the maximum step-size

fann_set_rprop_delta_min
Sets the minimum step-size

fann_set_rprop_delta_zero
Sets the initial step-size

fann_set_rprop_increase_factor
Sets the increase factor used during RPROP training

fann_set_sarprop_step_error_shift
Sets the sarprop step error shift

fann_set_sarprop_step_error_threshold_factor
Sets the sarprop step error threshold factor

fann_set_sarprop_temperature
Sets the sarprop temperature

fann_set_sarprop_weight_decay_shift
Sets the sarprop weight decay shift

fann_set_scaling_params
Calculate input and output scaling parameters for future use based on training data

fann_set_training_algorithm
Sets the training algorithm

fann_set_train_error_function
Sets the error function used during training

fann_set_train_stop_function
Sets the stop function used during training

fann_set_weight
Set a connection in the network

fann_set_weight_array
Set connections in the network

fann_shuffle_train_data
Shuffles training data, randomizing the order

fann_subset_train_data
Returns an copy of a subset of the train data

fann_test
Test with a set of inputs, and a set of desired outputs

fann_test_data
Test a set of training data and calculates the MSE for the training data

fann_train
Train one iteration with a set of inputs, and a set of desired outputs

fann_train_epoch
Train one epoch with a set of training data

fann_train_on_data
Trains on an entire dataset for a period of time

fann_train_on_file
Trains on an entire dataset, which is read from file, for a period of time

fastcgi_finish_request
冲刷(flush)全部响应的数据给客户端

fbsql_affected_rows
Get number of affected rows in previous FrontBase operation

fbsql_autocommit
Enable or disable autocommit

fbsql_blob_size
Get the size of a BLOB

fbsql_change_user
Change logged in user of the active connection

fbsql_clob_size
Get the size of a CLOB

fbsql_close
Close FrontBase connection

fbsql_commit
Commits a transaction to the database

fbsql_connect
Open a connection to a FrontBase Server

fbsql_create_blob
Create a BLOB

fbsql_create_clob
Create a CLOB

fbsql_create_db
Create a FrontBase database

fbsql_database
Get or set the database name used with a connection

fbsql_database_password
Sets or retrieves the password for a FrontBase database

fbsql_data_seek
Move internal result pointer

fbsql_db_query
Send a FrontBase query

fbsql_db_status
Get the status for a given database

fbsql_drop_db
Drop (delete) a FrontBase database

fbsql_errno
Returns the error number from previous operation

fbsql_error
Returns the error message from previous operation

fbsql_fetch_array
Fetch a result row as an associative array, a numeric array, or both

fbsql_fetch_assoc
Fetch a result row as an associative array

fbsql_fetch_field
Get column information from a result and return as an object

fbsql_fetch_lengths
Get the length of each output in a result

fbsql_fetch_object
Fetch a result row as an object

fbsql_fetch_row
Get a result row as an enumerated array

fbsql_field_flags
Get the flags associated with the specified field in a result

fbsql_field_len
Returns the length of the specified field

fbsql_field_name
Get the name of the specified field in a result

fbsql_field_seek
Set result pointer to a specified field offset

fbsql_field_table
Get name of the table the specified field is in

fbsql_field_type
Get the type of the specified field in a result

fbsql_free_result
Free result memory

fbsql_get_autostart_info
说明

fbsql_hostname
Get or set the host name used with a connection

fbsql_insert_id
Get the id generated from the previous INSERT operation

fbsql_list_dbs
List databases available on a FrontBase server

fbsql_list_fields
List FrontBase result fields

fbsql_list_tables
List tables in a FrontBase database

fbsql_next_result
Move the internal result pointer to the next result

fbsql_num_fields
Get number of fields in result

fbsql_num_rows
Get number of rows in result

fbsql_password
Get or set the user password used with a connection

fbsql_pconnect
Open a persistent connection to a FrontBase Server

fbsql_query
Send a FrontBase query

fbsql_read_blob
Read a BLOB from the database

fbsql_read_clob
Read a CLOB from the database

fbsql_result
Get result data

fbsql_rollback
Rollback a transaction to the database

fbsql_rows_fetched
Get the number of rows affected by the last statement

fbsql_select_db
Select a FrontBase database

fbsql_set_characterset
Change input/output character set

fbsql_set_lob_mode
Set the LOB retrieve mode for a FrontBase result set

fbsql_set_password
Change the password for a given user

fbsql_set_transaction
Set the transaction locking and isolation

fbsql_start_db
Start a database on local or remote server

fbsql_stop_db
Stop a database on local or remote server

fbsql_tablename
别名 fbsql_table_name

fbsql_table_name
Get table name of field

fbsql_username
Get or set the username for the connection

fbsql_warnings
Enable or disable FrontBase warnings

fclose
关闭一个已打开的文件指针

fdf_add_doc_javascript
Adds javascript code to the FDF document

fdf_add_template
Adds a template into the FDF document

fdf_close
Close an FDF document

fdf_create
Create a new FDF document

fdf_enum_values
Call a user defined function for each document value

fdf_errno
Return error code for last fdf operation

fdf_error
Return error description for FDF error code

fdf_get_ap
Get the appearance of a field

fdf_get_attachment
Extracts uploaded file embedded in the FDF

fdf_get_encoding
Get the value of the /Encoding key

fdf_get_file
Get the value of the /F key

fdf_get_flags
Gets the flags of a field

fdf_get_opt
Gets a value from the opt array of a field

fdf_get_status
Get the value of the /STATUS key

fdf_get_value
Get the value of a field

fdf_get_version
Gets version number for FDF API or file

fdf_header
Sets FDF-specific output headers

fdf_next_field_name
Get the next field name

fdf_open
Open a FDF document

fdf_open_string
Read a FDF document from a string

fdf_remove_item
Sets target frame for form

fdf_save
Save a FDF document

fdf_save_string
Returns the FDF document as a string

fdf_set_ap
Set the appearance of a field

fdf_set_encoding
Sets FDF character encoding

fdf_set_file
Set PDF document to display FDF data in

fdf_set_flags
Sets a flag of a field

fdf_set_javascript_action
Sets an javascript action of a field

fdf_set_on_import_javascript
Adds javascript code to be executed when Acrobat opens the FDF

fdf_set_opt
Sets an option of a field

fdf_set_status
Set the value of the /STATUS key

fdf_set_submit_form_action
Sets a submit form action of a field

fdf_set_target_frame
Set target frame for form display

fdf_set_value
Set the value of a field

fdf_set_version
Sets version number for a FDF file

feof
测试文件指针是否到了文件结束的位置

fflush
将缓冲内容输出到文件

fgetc
从文件指针中读取字符

fgetcsv
从文件指针中读入一行并解析 CSV 字段

fgets
从文件指针中读取一行

fgetss
从文件指针中读取一行并过滤掉 HTML 标记

file
把整个文件读入一个数组中

fileatime
取得文件的上次访问时间

filectime
取得文件的 inode 修改时间

filegroup
取得文件的组

fileinode
取得文件的 inode

filemtime
取得文件修改时间

fileowner
取得文件的全部者

fileperms
取得文件的权限

filepro
Read and verify the map file

filepro_fieldcount
Find out how many fields are in a filePro database

filepro_fieldname
Gets the name of a field

filepro_fieldtype
Gets the type of a field

filepro_fieldwidth
Gets the width of a field

filepro_retrieve
Retrieves data from a filePro database

filepro_rowcount
Find out how many rows are in a filePro database

filesize
取得文件大小

filetype
取得文件类型

file_exists
检查文件或目录是否存在

file_get_contents
将整个文件读入一个字符串

file_put_contents
将一个字符串写入文件

filter_has_var
Checks if variable of specified type exists

filter_id
返回与某个特定名称的过滤器相关联的id

filter_input
经过名称获取特定的外部变量,而且能够经过过滤器处理它

filter_input_array
获取一系列外部变量,而且能够经过过滤器处理它们

filter_list
返回所支持的过滤器列表

filter_var
使用特定的过滤器过滤一个变量

filter_var_array
获取多个变量而且过滤它们

finfo_close
关闭 fileinfo 资源

finfo_open
建立一个 fileinfo 资源

floatval
获取变量的浮点值

flock
轻便的咨询文件锁定

floor
舍去法取整

flush
刷新输出缓冲

fmod
返回除法的浮点数余数

fnmatch
用模式匹配文件名

fopen
打开文件或者 URL

forward_static_call
Call a static method

forward_static_call_array
Call a static method and pass the arguments as array

fpassthru
输出文件指针处的全部剩余数据

fprintf
将格式化后的字符串写入到流

fputcsv
将行格式化为 CSV 并写入文件指针

fputs
fwrite 的别名

fread
读取文件(可安全用于二进制文件)

FrenchToJD
从一个French Republican历法的日期获得Julian Day计数。

fribidi_log2vis
Convert a logical string to a visual one

fscanf
从文件中格式化输入

fseek
在文件指针中定位

fsockopen
打开一个网络链接或者一个Unix套接字链接

fstat
经过已打开的文件指针取得文件信息

ftell
返回文件指针读/写的位置

ftok
Convert a pathname and a project identifier to a System V IPC key

FTP context options
FTP context option listing

ftp_alloc
为要上传的文件分配空间

ftp_cdup
切换到当前目录的父目录

ftp_chdir
在 FTP 服务器上改变当前目录

ftp_chmod
设置 FTP 服务器上的文件权限

ftp_close
关闭一个 FTP 链接

ftp_connect
创建一个新的 FTP 链接

ftp_delete
删除 FTP 服务器上的一个文件

ftp_exec
请求运行一条 FTP 命令

ftp_fget
从 FTP 服务器上下载一个文件并保存到本地一个已经打开的文件中

ftp_fput
上传一个已经打开的文件到 FTP 服务器

ftp_get
从 FTP 服务器上下载一个文件

ftp_get_option
返回当前 FTP 链接的各类不一样的选项设置

ftp_login
登陆 FTP 服务器

ftp_mdtm
返回指定文件的最后修改时间

ftp_mkdir
创建新目录

ftp_nb_continue
连续获取/发送文件(non-blocking)

ftp_nb_fget
从 FTP 服务器获取文件并写入到一个打开的文件(非阻塞)

ftp_nb_fput
将文件存储到 FTP 服务器 (非阻塞)

ftp_nb_get
从 FTP 服务器上获取文件并写入本地文件(non-blocking)

ftp_nb_put
存储一个文件至 FTP 服务器(non-blocking)

ftp_nlist
返回给定目录的文件列表

ftp_pasv
返回当前 FTP 被动模式是否打开

ftp_put
上传文件到 FTP 服务器

ftp_pwd
返回当前目录名

ftp_quit
ftp_close 的 别名

ftp_raw
向 FTP 服务器发送命令

ftp_rawlist
返回指定目录下文件的详细列表

ftp_rename
更改 FTP 服务器上的文件或目录名

ftp_rmdir
删除 FTP 服务器上的一个目录

ftp_set_option
设置各类 FTP 运行时选项

ftp_site
向服务器发送 SITE 命令

ftp_size
返回指定文件的大小

ftp_ssl_connect
打开 SSL-FTP 链接

ftp_systype
返回远程 FTP 服务器的操做系统类型

ftruncate
将文件截断到给定的长度

function_exists
若是给定的函数已经被定义就返回 TRUE

func_get_arg
返回参数列表的某一项

func_get_args
返回一个包含函数参数列表的数组

func_num_args
Returns the number of arguments passed to the function

fwrite
写入文件(可安全用于二进制文件)
g
函数
说明

gc_collect_cycles
强制收集全部现存的垃圾循环周期

gc_disable
停用循环引用收集器

gc_enable
激活循环引用收集器

gc_enabled
返回循环引用计数器的状态

gc_mem_caches
Reclaims memory used by the Zend Engine memory manager

gd_info
取得当前安装的 GD 库的信息

geoip_asnum_by_name
Get the Autonomous System Numbers (ASN)

geoip_continent_code_by_name
Get the two letter continent code

geoip_country_code3_by_name
Get the three letter country code

geoip_country_code_by_name
Get the two letter country code

geoip_country_name_by_name
Get the full country name

geoip_database_info
Get GeoIP Database information

geoip_db_avail
Determine if GeoIP Database is available

geoip_db_filename
Returns the filename of the corresponding GeoIP Database

geoip_db_get_all_info
Returns detailed information about all GeoIP database types

geoip_domain_by_name
Get the second level domain name

geoip_id_by_name
Get the Internet connection type

geoip_isp_by_name
Get the Internet Service Provider (ISP) name

geoip_netspeedcell_by_name
Get the Internet connection speed

geoip_org_by_name
Get the organization name

geoip_record_by_name
Returns the detailed City information found in the GeoIP Database

geoip_region_by_name
Get the country code and region

geoip_region_name_by_code
Returns the region name for some country and region code combo

geoip_setup_custom_directory
Set a custom directory for the GeoIP database.

geoip_time_zone_by_country_and_region
Returns the time zone for some country and region code combo

getallheaders
获取所有 HTTP 请求头信息

getcwd
取得当前工做目录

getdate
取得日期/时间信息

getenv
获取一个环境变量的值

gethostbyaddr
获取指定的IP地址对应的主机名

gethostbyname
Get the IPv4 address corresponding to a given Internet host name

gethostbynamel
Get a list of IPv4 addresses corresponding to a given Internet host name

gethostname
Gets the host name

getimagesize
取得图像大小

getimagesizefromstring
从字符串中获取图像尺寸信息

getlastmod
获取页面最后修改的时间

getmxrr
Get MX records corresponding to a given Internet host name

getmygid
获取当前 PHP 脚本拥有者的 GID

getmyinode
获取当前脚本的索引节点(inode)

getmypid
获取 PHP 进程的 ID

getmyuid
获取 PHP 脚本全部者的 UID

getopt
从命令行参数列表中获取选项

getprotobyname
Get protocol number associated with protocol name

getprotobynumber
Get protocol name associated with protocol number

getrandmax
显示随机数最大的可能值

getrusage
获取当前资源使用情况

getservbyname
Get port number associated with an Internet service and protocol

getservbyport
Get Internet service which corresponds to port and protocol

gettext
Lookup a message in the current domain

gettimeofday
取得当前时间

gettype
获取变量的类型

get_browser
获取浏览器具备的功能

get_called_class
后期静态绑定(”Late Static Binding”)类的名称

get_cfg_var
获取 PHP 配置选项的值

get_class
返回对象的类名

get_class_methods
返回由类的方法名组成的数组

get_class_vars
返回由类的默认属性组成的数组

get_current_user
获取当前 PHP 脚本全部者名称

get_declared_classes
返回由已定义类的名字所组成的数组

get_declared_interfaces
返回一个数组包含全部已声明的接口

get_declared_traits
返回全部已定义的 traits 的数组

get_defined_constants
返回全部常量的关联数组,键是常量名,值是常量值

get_defined_functions
Returns an array of all defined functions

get_defined_vars
返回由全部已定义变量所组成的数组

get_extension_funcs
返回模块函数名称的数组

get_headers
取得服务器响应一个 HTTP 请求所发送的全部标头

get_html_translation_table
返回使用 htmlspecialchars 和 htmlentities 后的转换表

get_included_files
返回被 include 和 require 文件名的 array

get_include_path
获取当前的 include_path 配置选项

get_loaded_extensions
返回全部编译并加载模块名的 array

get_magic_quotes_gpc
获取当前 magic_quotes_gpc 的配置选项设置

get_magic_quotes_runtime
获取当前 magic_quotes_runtime 配置选项的激活状态

get_meta_tags
从一个文件中提取全部的 meta 标签 content 属性,返回一个数组

get_object_vars
返回由对象属性组成的关联数组

get_parent_class
返回对象或类的父类名

get_required_files
别名 get_included_files

get_resources
Returns active resources

get_resource_type
返回资源(resource)类型

glob
寻找与模式匹配的文件路径

gmdate
格式化一个 GMT/UTC 日期/时间

gmmktime
取得 GMT 日期的 UNIX 时间戳

gmp_abs
Absolute value

gmp_add
Add numbers

gmp_and
Bitwise AND

gmp_clrbit
Clear bit

gmp_cmp
Compare numbers

gmp_com
Calculates one’s complement

gmp_div
别名 gmp_div_q

gmp_divexact
Exact division of numbers

gmp_div_q
Divide numbers

gmp_div_qr
Divide numbers and get quotient and remainder

gmp_div_r
Remainder of the division of numbers

gmp_export
Export to a binary string

gmp_fact
Factorial

gmp_gcd
Calculate GCD

gmp_gcdext
Calculate GCD and multipliers

gmp_hamdist
Hamming distance

gmp_import
Import from a binary string

gmp_init
Create GMP number

gmp_intval
Convert GMP number to integer

gmp_invert
Inverse by modulo

gmp_jacobi
Jacobi symbol

gmp_legendre
Legendre symbol

gmp_mod
Modulo operation

gmp_mul
Multiply numbers

gmp_neg
Negate number

gmp_nextprime
Find next prime number

gmp_or
Bitwise OR

gmp_perfect_square
Perfect square check

gmp_popcount
Population count

gmp_pow
Raise number into power

gmp_powm
Raise number into power with modulo

gmp_prob_prime
Check if number is “probably prime”

gmp_random
Random number

gmp_random_bits
Random number

gmp_random_range
Random number

gmp_random_seed
Sets the RNG seed

gmp_root
Take the integer part of nth root

gmp_rootrem
Take the integer part and remainder of nth root

gmp_scan0
Scan for 0

gmp_scan1
Scan for 1

gmp_setbit
Set bit

gmp_sign
Sign of number

gmp_sqrt
Calculate square root

gmp_sqrtrem
Square root with remainder

gmp_strval
Convert GMP number to string

gmp_sub
Subtract numbers

gmp_testbit
Tests if a bit is set

gmp_xor
Bitwise XOR

gmstrftime
根据区域设置格式化 GMT/UTC 时间/日期

gnupg_adddecryptkey
Add a key for decryption

gnupg_addencryptkey
Add a key for encryption

gnupg_addsignkey
Add a key for signing

gnupg_cleardecryptkeys
Removes all keys which were set for decryption before

gnupg_clearencryptkeys
Removes all keys which were set for encryption before

gnupg_clearsignkeys
Removes all keys which were set for signing before

gnupg_decrypt
Decrypts a given text

gnupg_decryptverify
Decrypts and verifies a given text

gnupg_encrypt
Encrypts a given text

gnupg_encryptsign
Encrypts and signs a given text

gnupg_export
Exports a key

gnupg_geterror
Returns the errortext, if a function fails

gnupg_getprotocol
Returns the currently active protocol for all operations

gnupg_import
Imports a key

gnupg_init
Initialize a connection

gnupg_keyinfo
Returns an array with information about all keys that matches the given pattern

gnupg_setarmor
Toggle armored output

gnupg_seterrormode
Sets the mode for error_reporting

gnupg_setsignmode
Sets the mode for signing

gnupg_sign
Signs a given text

gnupg_verify
Verifies a signed text

gopher_parsedir
Translate a gopher formatted directory entry into an associative array.

grapheme_extract
Function to extract a sequence of default grapheme clusters from a text buffer, which must be encoded in UTF-8.

grapheme_stripos
Find position (in grapheme units) of first occurrence of a case-insensitive string

grapheme_stristr
Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack.

grapheme_strlen
Get string length in grapheme units

grapheme_strpos
Find position (in grapheme units) of first occurrence of a string

grapheme_strripos
Find position (in grapheme units) of last occurrence of a case-insensitive string

grapheme_strrpos
Find position (in grapheme units) of last occurrence of a string

grapheme_strstr
Returns part of haystack string from the first occurrence of needle to the end of haystack.

grapheme_substr
Return part of a string

GregorianToJD
转变一个Gregorian历法日期到Julian Day计数

gupnp_context_get_host_ip
Get the IP address

gupnp_context_get_port
Get the port

gupnp_context_get_subscription_timeout
Get the event subscription timeout

gupnp_context_host_path
Start hosting

gupnp_context_new
Create a new context

gupnp_context_set_subscription_timeout
Sets the event subscription timeout

gupnp_context_timeout_add
Sets a function to be called at regular intervals

gupnp_context_unhost_path
Stop hosting

gupnp_control_point_browse_start
Start browsing

gupnp_control_point_browse_stop
Stop browsing

gupnp_control_point_callback_set
Set control point callback

gupnp_control_point_new
Create a new control point

gupnp_device_action_callback_set
Set device callback function

gupnp_device_info_get
Get info of root device

gupnp_device_info_get_service
Get the service with type

gupnp_root_device_get_available
Check whether root device is available

gupnp_root_device_get_relative_location
Get the relative location of root device.

gupnp_root_device_new
Create a new root device

gupnp_root_device_set_available
Set whether or not root_device is available

gupnp_root_device_start
Start main loop

gupnp_root_device_stop
Stop main loop

gupnp_service_action_get
Retrieves the specified action arguments

gupnp_service_action_return
Return successfully

gupnp_service_action_return_error
Return error code

gupnp_service_action_set
Sets the specified action return values

gupnp_service_freeze_notify
Freeze new notifications

gupnp_service_info_get
Get full info of service

gupnp_service_info_get_introspection
Get resource introspection of service

gupnp_service_introspection_get_state_variable
Returns the state variable data

gupnp_service_notify
Notifies listening clients

gupnp_service_proxy_action_get
Send action to the service and get value

gupnp_service_proxy_action_set
Send action to the service and set value

gupnp_service_proxy_add_notify
Sets up callback for variable change notification

gupnp_service_proxy_callback_set
Set service proxy callback for signal

gupnp_service_proxy_get_subscribed
Check whether subscription is valid to the service

gupnp_service_proxy_remove_notify
Cancels the variable change notification

gupnp_service_proxy_send_action
Send action with multiple parameters synchronously

gupnp_service_proxy_set_subscribed
(Un)subscribes to the service.

gupnp_service_thaw_notify
Sends out any pending notifications and stops queuing of new ones.

gzclose
Close an open gz-file pointer

gzcompress
Compress a string

gzdecode
Decodes a gzip compressed string

gzdeflate
Deflate a string

gzencode
Create a gzip compressed string

gzeof
Test for EOF on a gz-file pointer

gzfile
Read entire gz-file into an array

gzgetc
Get character from gz-file pointer

gzgets
Get line from file pointer

gzgetss
Get line from gz-file pointer and strip HTML tags

gzinflate
Inflate a deflated string

gzopen
Open gz-file

gzpassthru
Output all remaining data on a gz-file pointer

gzputs
别名 gzwrite

gzread
Binary-safe gz-file read

gzrewind
Rewind the position of a gz-file pointer

gzseek
Seek on a gz-file pointer

gztell
Tell gz-file pointer read/write position

gzuncompress
Uncompress a compressed string

gzwrite
Binary-safe gz-file write
h
函数
说明

hash
生成哈希值 (消息摘要)

hash_algos
返回已注册的哈希算法列表

hash_copy
拷贝哈希运算上下文

hash_equals
可防止时序攻击的字符串比较

hash_file
使用给定文件的内容生成哈希值

hash_final
结束增量哈希,而且返回摘要结果

hash_hmac
使用 HMAC 方法生成带有密钥的哈希值

hash_hmac_file
使用 HMAC 方法和给定文件的内容生成带密钥的哈希值

hash_init
初始化增量哈希运算上下文

hash_pbkdf2
生成所提供密码的 PBKDF2 密钥导出

hash_update
向活跃的哈希运算上下文中填充数据

hash_update_file
从文件向活跃的哈希运算上下文中填充数据

hash_update_stream
从打开的流向活跃的哈希运算上下文中填充数据

header
发送原生 HTTP 头

headers_list
Returns a list of response headers sent (or ready to send)

headers_sent
Checks if or where headers have been sent

header_register_callback
Call a header function

header_remove
Remove previously set headers

hebrev
将逻辑顺序希伯来文(logical-Hebrew)转换为视觉顺序希伯来文(visual-Hebrew)

hebrevc
将逻辑顺序希伯来文(logical-Hebrew)转换为视觉顺序希伯来文(visual-Hebrew),而且转换换行符

hex2bin
转换十六进制字符串为二进制字符串

hexdec
十六进制转换为十进制

highlight_file
语法高亮一个文件

highlight_string
字符串的语法高亮

htmlentities
Convert all applicable characters to HTML entities

htmlspecialchars
Convert special characters to HTML entities

htmlspecialchars_decode
将特殊的 HTML 实体转换回普通字符

html_entity_decode
Convert all HTML entities to their applicable characters

HTTP context 选项
HTTP context 的选项列表

http_build_cookie
Build cookie string

http_build_query
生成 URL-encode 以后的请求字符串

http_build_str
产生一个查询字符串

http_build_url
产生一个 URL

http_cache_etag
Caching by ETag

http_cache_last_modified
Caching by last modification

http_chunked_decode
Decode chunked-encoded data

http_date
Compose HTTP RFC compliant date

http_deflate
Deflate data

http_get
Perform GET request

http_get_request_body
Get request body as string

http_get_request_body_stream
Get request body as stream

http_get_request_headers
Get request headers as array

http_head
Perform HEAD request

http_inflate
Inflate data

http_match_etag
Match ETag

http_match_modified
Match last modification

http_match_request_header
Match any header

http_negotiate_charset
Negotiate client’s preferred character set

http_negotiate_content_type
Negotiate client’s preferred content type

http_negotiate_language
Negotiate client’s preferred language

http_parse_cookie
Parse HTTP cookie

http_parse_headers
Parse HTTP headers

http_parse_message
Parse HTTP messages

http_parse_params
Parse parameter list

http_persistent_handles_clean
Clean up persistent handles

http_persistent_handles_count
Stat persistent handles

http_persistent_handles_ident
Get/set ident of persistent handles

http_post_data
Perform POST request with pre-encoded data

http_post_fields
Perform POST request with data to be encoded

http_put_data
Perform PUT request with data

http_put_file
Perform PUT request with file

http_put_stream
Perform PUT request with stream

http_redirect
Issue HTTP redirect

http_request
Perform custom request

http_request_body_encode
Encode request body

http_request_method_exists
Check whether request method exists

http_request_method_name
Get request method name

http_request_method_register
Register request method

http_request_method_unregister
Unregister request method

http_response_code
Get or Set the HTTP response code

http_send_content_disposition
Send Content-Disposition

http_send_content_type
Send Content-Type

http_send_data
Send arbitrary data

http_send_file
Send file

http_send_last_modified
Send Last-Modified

http_send_status
Send HTTP response status

http_send_stream
Send stream

http_support
Check built-in HTTP support

http_throttle
HTTP throttling

hwapi_attribute_new
Creates instance of class hw_api_attribute

hwapi_content_new
Create new instance of class hw_api_content

hwapi_hgcsp
Returns object of class hw_api

hwapi_object_new
Creates a new instance of class hwapi_object_new

hypot
计算一直角三角形的斜边长度
i
函数
说明

ibase_add_user
Add a user to a security database

ibase_affected_rows
Return the number of rows that were affected by the previous query

ibase_backup
Initiates a backup task in the service manager and returns immediately

ibase_blob_add
Add data into a newly created blob

ibase_blob_cancel
Cancel creating blob

ibase_blob_close
Close blob

ibase_blob_create
Create a new blob for adding data

ibase_blob_echo
Output blob contents to browser

ibase_blob_get
Get len bytes data from open blob

ibase_blob_import
Create blob, copy file in it, and close it

ibase_blob_info
Return blob length and other useful info

ibase_blob_open
Open blob for retrieving data parts

ibase_close
Close a connection to an InterBase database

ibase_commit
Commit a transaction

ibase_commit_ret
Commit a transaction without closing it

ibase_connect
Open a connection to a database

ibase_db_info
Request statistics about a database

ibase_delete_user
Delete a user from a security database

ibase_drop_db
Drops a database

ibase_errcode
Return an error code

ibase_errmsg
Return error messages

ibase_execute
Execute a previously prepared query

ibase_fetch_assoc
Fetch a result row from a query as an associative array

ibase_fetch_object
Get an object from a InterBase database

ibase_fetch_row
Fetch a row from an InterBase database

ibase_field_info
Get information about a field

ibase_free_event_handler
Cancels a registered event handler

ibase_free_query
Free memory allocated by a prepared query

ibase_free_result
Free a result set

ibase_gen_id
Increments the named generator and returns its new value

ibase_maintain_db
Execute a maintenance command on the database server

ibase_modify_user
Modify a user to a security database

ibase_name_result
Assigns a name to a result set

ibase_num_fields
Get the number of fields in a result set

ibase_num_params
Return the number of parameters in a prepared query

ibase_param_info
Return information about a parameter in a prepared query

ibase_pconnect
Open a persistent connection to an InterBase database

ibase_prepare
Prepare a query for later binding of parameter placeholders and execution

ibase_query
Execute a query on an InterBase database

ibase_restore
Initiates a restore task in the service manager and returns immediately

ibase_rollback
Roll back a transaction

ibase_rollback_ret
Roll back a transaction without closing it

ibase_server_info
Request information about a database server

ibase_service_attach
Connect to the service manager

ibase_service_detach
Disconnect from the service manager

ibase_set_event_handler
Register a callback function to be called when events are posted

ibase_trans
Begin a transaction

ibase_wait_event
Wait for an event to be posted by the database

iconv
字符串按要求的字符编码来转换

iconv_get_encoding
获取 iconv 扩展的内部配置变量

iconv_mime_decode
Decodes a MIME header field

iconv_mime_decode_headers
一次性解码多个 MIME 头字段

iconv_mime_encode
Composes a MIME header field

iconv_set_encoding
为字符编码转换设定当前设置

iconv_strlen
返回字符串的字符数统计

iconv_strpos
Finds position of first occurrence of a needle within a haystack

iconv_strrpos
Finds the last occurrence of a needle within a haystack

iconv_substr
截取字符串的部分

id3_get_frame_long_name
Get the long name of an ID3v2 frame

id3_get_frame_short_name
Get the short name of an ID3v2 frame

id3_get_genre_id
Get the id for a genre

id3_get_genre_list
Get all possible genre values

id3_get_genre_name
Get the name for a genre id

id3_get_tag
Get all information stored in an ID3 tag

id3_get_version
Get version of an ID3 tag

id3_remove_tag
Remove an existing ID3 tag

id3_set_tag
Update information stored in an ID3 tag

idate
将本地时间日期格式化为整数

idn_to_ascii
Convert domain name to IDNA ASCII form.

idn_to_unicode
别名 idn_to_utf8

idn_to_utf8
Convert domain name from IDNA ASCII to Unicode.

ifxus_close_slob
Deletes the slob object

ifxus_create_slob
Creates an slob object and opens it

ifxus_free_slob
Deletes the slob object

ifxus_open_slob
Opens an slob object

ifxus_read_slob
Reads nbytes of the slob object

ifxus_seek_slob
Sets the current file or seek position

ifxus_tell_slob
Returns the current file or seek position

ifxus_write_slob
Writes a string into the slob object

ifx_affected_rows
Get number of rows affected by a query

ifx_blobinfile_mode
Set the default blob mode for all select queries

ifx_byteasvarchar
Set the default byte mode

ifx_close
Close Informix connection

ifx_connect
Open Informix server connection

ifx_copy_blob
Duplicates the given blob object

ifx_create_blob
Creates an blob object

ifx_create_char
Creates an char object

ifx_do
Execute a previously prepared SQL-statement

ifx_error
Returns error code of last Informix call

ifx_errormsg
Returns error message of last Informix call

ifx_fetch_row
Get row as an associative array

ifx_fieldproperties
List of SQL fieldproperties

ifx_fieldtypes
List of Informix SQL fields

ifx_free_blob
Deletes the blob object

ifx_free_char
Deletes the char object

ifx_free_result
Releases resources for the query

ifx_getsqlca
Get the contents of sqlca.sqlerrd[0..5] after a query

ifx_get_blob
Return the content of a blob object

ifx_get_char
Return the content of the char object

ifx_htmltbl_result
Formats all rows of a query into a HTML table

ifx_nullformat
Sets the default return value on a fetch row

ifx_num_fields
Returns the number of columns in the query

ifx_num_rows
Count the rows already fetched from a query

ifx_pconnect
Open persistent Informix connection

ifx_prepare
Prepare an SQL-statement for execution

ifx_query
Send Informix query

ifx_textasvarchar
Set the default text mode

ifx_update_blob
Updates the content of the blob object

ifx_update_char
Updates the content of the char object

ignore_user_abort
设置客户端断开链接时是否中断脚本的执行

iis_add_server
Creates a new virtual web server

iis_get_dir_security
Gets Directory Security

iis_get_script_map
Gets script mapping on a virtual directory for a specific extension

iis_get_server_by_comment
Return the instance number associated with the Comment

iis_get_server_by_path
Return the instance number associated with the Path

iis_get_server_rights
Gets server rights

iis_get_service_state
Returns the state for the service defined by ServiceId

iis_remove_server
Removes the virtual web server indicated by ServerInstance

iis_set_app_settings
Creates application scope for a virtual directory

iis_set_dir_security
Sets Directory Security

iis_set_script_map
Sets script mapping on a virtual directory

iis_set_server_rights
Sets server rights

iis_start_server
Starts the virtual web server

iis_start_service
Starts the service defined by ServiceId

iis_stop_server
Stops the virtual web server

iis_stop_service
Stops the service defined by ServiceId

image2wbmp
以 WBMP 格式将图像输出到浏览器或文件

imageaffine
返回通过仿射变换后的图像,剪切区域可选

imageaffinematrixconcat
Concat two matrices (as in doing many ops in one go)

imageaffinematrixget
Return an image containing the affine tramsformed src image, using an optional clipping area

imagealphablending
设定图像的混色模式

imageantialias
是否使用抗锯齿(antialias)功能

imagearc
画椭圆弧

imagechar
水平地画一个字符

imagecharup
垂直地画一个字符

imagecolorallocate
为一幅图像分配颜色

imagecolorallocatealpha
为一幅图像分配颜色 + alpha

imagecolorat
取得某像素的颜色索引值

imagecolorclosest
取得与指定的颜色最接近的颜色的索引值

imagecolorclosestalpha
取得与指定的颜色加透明度最接近的颜色

imagecolorclosesthwb
取得与给定颜色最接近的色度的黑白色的索引

imagecolordeallocate
取消图像颜色的分配

imagecolorexact
取得指定颜色的索引值

imagecolorexactalpha
取得指定的颜色加透明度的索引值

imagecolormatch
使一个图像中调色板版本的颜色与真彩色版本更能匹配

imagecolorresolve
取得指定颜色的索引值或有可能获得的最接近的替代值

imagecolorresolvealpha
取得指定颜色 + alpha 的索引值或有可能获得的最接近的替代值

imagecolorset
给指定调色板索引设定颜色

imagecolorsforindex
取得某索引的颜色

imagecolorstotal
取得一幅图像的调色板中颜色的数目

imagecolortransparent
将某个颜色定义为透明色

imageconvolution
用系数 div 和 offset 申请一个 3x3 的卷积矩阵

imagecopy
拷贝图像的一部分

imagecopymerge
拷贝并合并图像的一部分

imagecopymergegray
用灰度拷贝并合并图像的一部分

imagecopyresampled
重采样拷贝部分图像并调整大小

imagecopyresized
拷贝部分图像并调整大小

imagecreate
新建一个基于调色板的图像

imagecreatefromgd
从 GD 文件或 URL 新建一图像

imagecreatefromgd2
从 GD2 文件或 URL 新建一图像

imagecreatefromgd2part
从给定的 GD2 文件或 URL 中的部分新建一图像

imagecreatefromgif
由文件或 URL 建立一个新图象。

imagecreatefromjpeg
由文件或 URL 建立一个新图象。

imagecreatefrompng
由文件或 URL 建立一个新图象。

imagecreatefromstring
从字符串中的图像流新建一图像

imagecreatefromwbmp
由文件或 URL 建立一个新图象。

imagecreatefromwebp
由文件或 URL 建立一个新图象。

imagecreatefromxbm
由文件或 URL 建立一个新图象。

imagecreatefromxpm
由文件或 URL 建立一个新图象。

imagecreatetruecolor
新建一个真彩色图像

imagecrop
Crop an image using the given coordinates and size, x, y, width and height

imagecropauto
Crop an image automatically using one of the available modes

imagedashedline
画一虚线

imagedestroy
销毁一图像

imageellipse
画一个椭圆

imagefill
区域填充

imagefilledarc
画一椭圆弧且填充

imagefilledellipse
画一椭圆并填充

imagefilledpolygon
画一多边形并填充

imagefilledrectangle
画一矩形并填充

imagefilltoborder
区域填充到指定颜色的边界为止

imagefilter
对图像使用过滤器

imageflip
Flips an image using a given mode

imagefontheight
取得字体高度

imagefontwidth
取得字体宽度

imageftbbox
给出一个使用 FreeType 2 字体的文本框

imagefttext
使用 FreeType 2 字体将文本写入图像

imagegammacorrect
对 GD 图像应用 gamma 修正

imagegd
将 GD 图像输出到浏览器或文件

imagegd2
将 GD2 图像输出到浏览器或文件

imagegif
输出图象到浏览器或文件。

imagegrabscreen
Captures the whole screen

imagegrabwindow
Captures a window

imageinterlace
激活或禁止隔行扫描

imageistruecolor
检查图像是否为真彩色图像

imagejpeg
输出图象到浏览器或文件。

imagelayereffect
设定 alpha 混色标志以使用绑定的 libgd 分层效果

imageline
画一条线段

imageloadfont
载入一新字体

imagepalettecopy
将调色板从一幅图像拷贝到另外一幅

imagepalettetotruecolor
Converts a palette based image to true color

imagepng
以 PNG 格式将图像输出到浏览器或文件

imagepolygon
画一个多边形

imagepsbbox
给出一个使用 PostScript Type1 字体的文本方框

imagepsencodefont
改变字体中的字符编码矢量

imagepsextendfont
扩充或精简字体

imagepsfreefont
释放一个 PostScript Type 1 字体所占用的内存

imagepsloadfont
从文件中加载一个 PostScript Type 1 字体

imagepsslantfont
倾斜某字体

imagepstext
用 PostScript Type1 字体把文本字符串画在图像上

imagerectangle
画一个矩形

imagerotate
用给定角度旋转图像

imagesavealpha
设置标记以在保存 PNG 图像时保存完整的 alpha 通道信息(与单一透明色相反)

imagescale
Scale an image using the given new width and height

imagesetbrush
设定画线用的画笔图像

imagesetinterpolation
Set the interpolation method

imagesetpixel
画一个单一像素

imagesetstyle
设定画线的风格

imagesetthickness
设定画线的宽度

imagesettile
设定用于填充的贴图

imagestring
水平地画一行字符串

imagestringup
垂直地画一行字符串

imagesx
取得图像宽度

imagesy
取得图像高度

imagetruecolortopalette
将真彩色图像转换为调色板图像

imagettfbbox
取得使用 TrueType 字体的文本的范围

imagettftext
用 TrueType 字体向图像写入文本

imagetypes
返回当前 PHP 版本所支持的图像类型

imagewbmp
以 WBMP 格式将图像输出到浏览器或文件

imagewebp
将 WebP 格式的图像输出到浏览器或文件

imagexbm
将 XBM 图像输出到浏览器或文件

image_type_to_extension
取得图像类型的文件后缀

image_type_to_mime_type
取得 getimagesize,exif_read_data,exif_thumbnail,exif_imagetype 所返回的图像类型的 MIME 类型

imap_8bit
Convert an 8bit string to a quoted-printable string

imap_alerts
Returns all IMAP alert messages that have occurred

imap_append
Append a string message to a specified mailbox

imap_base64
Decode BASE64 encoded text

imap_binary
Convert an 8bit string to a base64 string

imap_body
Read the message body

imap_bodystruct
Read the structure of a specified body section of a specific message

imap_check
Check current mailbox

imap_clearflag_full
Clears flags on messages

imap_close
Close an IMAP stream

imap_create
别名 imap_createmailbox

imap_createmailbox
Create a new mailbox

imap_delete
Mark a message for deletion from current mailbox

imap_deletemailbox
Delete a mailbox

imap_errors
Returns all of the IMAP errors that have occurred

imap_expunge
Delete all messages marked for deletion

imap_fetchbody
Fetch a particular section of the body of the message

imap_fetchheader
Returns header for a message

imap_fetchmime
Fetch MIME headers for a particular section of the message

imap_fetchstructure
Read the structure of a particular message

imap_fetchtext
别名 imap_body

imap_fetch_overview
Read an overview of the information in the headers of the given message

imap_gc
Clears IMAP cache

imap_getacl
Gets the ACL for a given mailbox

imap_getmailboxes
Read the list of mailboxes, returning detailed information on each one

imap_getsubscribed
List all the subscribed mailboxes

imap_get_quota
Retrieve the quota level settings, and usage statics per mailbox

imap_get_quotaroot
Retrieve the quota settings per user

imap_header
别名 imap_headerinfo

imap_headerinfo
Read the header of the message

imap_headers
Returns headers for all messages in a mailbox

imap_last_error
Gets the last IMAP error that occurred during this page request

imap_list
Read the list of mailboxes

imap_listmailbox
别名 imap_list

imap_listscan
Returns the list of mailboxes that matches the given text

imap_listsubscribed
别名 imap_lsub

imap_lsub
List all the subscribed mailboxes

imap_mail
Send an email message

imap_mailboxmsginfo
Get information about the current mailbox

imap_mail_compose
Create a MIME message based on given envelope and body sections

imap_mail_copy
Copy specified messages to a mailbox

imap_mail_move
Move specified messages to a mailbox

imap_mime_header_decode
Decode MIME header elements

imap_msgno
Gets the message sequence number for the given UID

imap_num_msg
Gets the number of messages in the current mailbox

imap_num_recent
Gets the number of recent messages in current mailbox

imap_open
Open an IMAP stream to a mailbox

imap_ping
Check if the IMAP stream is still active

imap_qprint
Convert a quoted-printable string to an 8 bit string

imap_rename
别名 imap_renamemailbox

imap_renamemailbox
Rename an old mailbox to new mailbox

imap_reopen
Reopen IMAP stream to new mailbox

imap_rfc822_parse_adrlist
Parses an address string

imap_rfc822_parse_headers
Parse mail headers from a string

imap_rfc822_write_address
Returns a properly formatted email address given the mailbox, host, and personal info

imap_savebody
Save a specific body section to a file

imap_scan
别名 imap_listscan

imap_scanmailbox
别名 imap_listscan

imap_search
This function returns an array of messages matching the given search criteria

imap_setacl
Sets the ACL for a given mailbox

imap_setflag_full
Sets flags on messages

imap_set_quota
Sets a quota for a given mailbox

imap_sort
Gets and sort messages

imap_status
Returns status information on a mailbox

imap_subscribe
Subscribe to a mailbox

imap_thread
Returns a tree of threaded message

imap_timeout
Set or fetch imap timeout

imap_uid
This function returns the UID for the given message sequence number

imap_undelete
Unmark the message which is marked deleted

imap_unsubscribe
Unsubscribe from a mailbox

imap_utf7_decode
Decodes a modified UTF-7 encoded string

imap_utf7_encode
Converts ISO-8859-1 string to modified UTF-7 text

imap_utf8
Converts MIME-encoded text to UTF-8

implode
将一个一维数组的值转化为字符串

import_request_variables
将 GET/POST/Cookie 变量导入到全局做用域中

inclued_get_data
Get the inclued data

inet_ntop
Converts a packed internet address to a human readable representation

inet_pton
Converts a human readable IP address to its packed in_addr representation

ingres_autocommit
Switch autocommit on or off

ingres_autocommit_state
Test if the connection is using autocommit

ingres_charset
Returns the installation character set

ingres_close
Close an Ingres database connection

ingres_commit
Commit a transaction

ingres_connect
Open a connection to an Ingres database

ingres_cursor
Get a cursor name for a given result resource

ingres_errno
Get the last Ingres error number generated

ingres_error
Get a meaningful error message for the last error generated

ingres_errsqlstate
Get the last SQLSTATE error code generated

ingres_escape_string
Escape special characters for use in a query

ingres_execute
Execute a prepared query

ingres_fetch_array
Fetch a row of result into an array

ingres_fetch_assoc
Fetch a row of result into an associative array

ingres_fetch_object
Fetch a row of result into an object

ingres_fetch_proc_return
Get the return value from a procedure call

ingres_fetch_row
Fetch a row of result into an enumerated array

ingres_field_length
Get the length of a field

ingres_field_name
Get the name of a field in a query result

ingres_field_nullable
Test if a field is nullable

ingres_field_precision
Get the precision of a field

ingres_field_scale
Get the scale of a field

ingres_field_type
Get the type of a field in a query result

ingres_free_result
Free the resources associated with a result identifier

ingres_next_error
Get the next Ingres error

ingres_num_fields
Get the number of fields returned by the last query

ingres_num_rows
Get the number of rows affected or returned by a query

ingres_pconnect
Open a persistent connection to an Ingres database

ingres_prepare
Prepare a query for later execution

ingres_query
Send an SQL query to Ingres

ingres_result_seek
Set the row position before fetching data

ingres_rollback
Roll back a transaction

ingres_set_environment
Set environment features controlling output options

ingres_unbuffered_query
Send an unbuffered SQL query to Ingres

ini_alter
别名 ini_set

ini_get
获取一个配置选项的值

ini_get_all
获取全部配置选项

ini_restore
恢复配置选项的值

ini_set
为一个配置选项设置值

inotify_add_watch
Add a watch to an initialized inotify instance

inotify_init
Initialize an inotify instance

inotify_queue_len
Return a number upper than zero if there are pending events

inotify_read
Read events from an inotify instance

inotify_rm_watch
Remove an existing watch from an inotify instance

intdiv
Integer division

interface_exists
检查接口是否已被定义

intl_error_name
Get symbolic name for a given error code

intl_get_error_code
Get the last error code

intl_get_error_message
Get description of the last error

intl_is_failure
Check whether the given error code indicates failure

intval
获取变量的整数值

in_array
检查数组中是否存在某个值

ip2long
将一个IPV4的字符串互联网协议转换成数字格式

iptcembed
将二进制 IPTC 数据嵌入到一幅 JPEG 图像中

iptcparse
将二进制 IPTC 块解析为单个标记

isset
检测变量是否设置

is_a
若是对象属于该类或该类是此对象的父类则返回 TRUE

is_array
检测变量是不是数组

is_bool
检测变量是不是布尔型

is_callable
检测参数是否为合法的可调用结构

is_dir
判断给定文件名是不是一个目录

is_double
is_float 的别名

is_executable
判断给定文件名是否可执行

is_file
判断给定文件名是否为一个正常的文件

is_finite
判断是否为有限值

is_float
检测变量是不是浮点型

is_infinite
判断是否为无限值

is_int
检测变量是不是整数

is_integer
is_int 的别名

is_link
判断给定文件名是否为一个符号链接

is_long
is_int 的别名

is_nan
判断是否为合法数值

is_null
检测变量是否为 NULL

is_numeric
检测变量是否为数字或数字字符串

is_object
检测变量是不是一个对象

is_readable
判断给定文件名是否可读

is_real
is_float 的别名

is_resource
检测变量是否为资源类型

is_scalar
检测变量是不是一个标量

is_soap_fault
Checks if a SOAP call has failed

is_string
检测变量是不是字符串

is_subclass_of
若是此对象是该类的子类,则返回 TRUE

is_tainted
Checks whether a string is tainted

is_uploaded_file
判断文件是不是经过 HTTP POST 上传的

is_writable
判断给定的文件名是否可写

is_writeable
is_writable 的别名

iterator_apply
为迭代器中每一个元素调用一个用户自定义函数

iterator_count
计算迭代器中元素的个数

iterator_to_array
将迭代器中的元素拷贝到数组
j
函数
说明

JDDayOfWeek
返回星期的日期

JDMonthName
返回月份的名称

JDToFrench
转变一个Julian Day计数到French Republican历法的日期

JDToGregorian
转变一个Julian Day计数为Gregorian历法日期

jdtojewish
转换一个julian天数为Jewish历法的日期

JDToJulian
转变一个Julian Day计数到Julian历法的日期

jdtounix
转变Julian Day计数为一个Unix时间戳

JewishToJD
转变一个Jewish历法的日期为一个Julian Day计数

join
别名 implode

jpeg2wbmp
将 JPEG 图像文件转换为 WBMP 图像文件

json_decode
对 JSON 格式的字符串进行编码

json_encode
对变量进行 JSON 编码

json_last_error
返回最后发生的错误

json_last_error_msg
Returns the error string of the last json_encode() or json_decode() call

judy_type
Return the type of a Judy array

judy_version
Return or print the current PHP Judy version

JulianToJD
转变一个Julian历法的日期为Julian Day计数
k
函数
说明

kadm5_chpass_principal
Changes the principal’s password

kadm5_create_principal
Creates a kerberos principal with the given parameters

kadm5_delete_principal
Deletes a kerberos principal

kadm5_destroy
Closes the connection to the admin server and releases all related resources

kadm5_flush
Flush all changes to the Kerberos database

kadm5_get_policies
Gets all policies from the Kerberos database

kadm5_get_principal
Gets the principal’s entries from the Kerberos database

kadm5_get_principals
Gets all principals from the Kerberos database

kadm5_init_with_password
Opens a connection to the KADM5 library

kadm5_modify_principal
Modifies a kerberos principal with the given parameters

key
从关联数组中取得键名

key_exists
别名 array_key_exists

krsort
对数组按照键名逆向排序

ksort
对数组按照键名排序
l
函数
说明

lcfirst
使一个字符串的第一个字符小写

lcg_value
组合线性同余发生器

lchgrp
Changes group ownership of symlink

lchown
Changes user ownership of symlink

ldap_8859_to_t61
Translate 8859 characters to t61 characters

ldap_add
Add entries to LDAP directory

ldap_bind
绑定 LDAP 目录

ldap_close
别名 ldap_unbind

ldap_compare
Compare value of attribute found in entry specified with DN

ldap_connect
Connect to an LDAP server

ldap_control_paged_result
Send LDAP pagination control

ldap_control_paged_result_response
Retrieve the LDAP pagination cookie

ldap_count_entries
Count the number of entries in a search

ldap_delete
Delete an entry from a directory

ldap_dn2ufn
Convert DN to User Friendly Naming format

ldap_err2str
Convert LDAP error number into string error message

ldap_errno
Return the LDAP error number of the last LDAP command

ldap_error
Return the LDAP error message of the last LDAP command

ldap_escape
Escape a string for use in an LDAP filter or DN

ldap_explode_dn
Splits DN into its component parts

ldap_first_attribute
Return first attribute

ldap_first_entry
Return first result id

ldap_first_reference
Return first reference

ldap_free_result
Free result memory

ldap_get_attributes
Get attributes from a search result entry

ldap_get_dn
Get the DN of a result entry

ldap_get_entries
Get all result entries

ldap_get_option
Get the current value for given option

ldap_get_values
Get all values from a result entry

ldap_get_values_len
Get all binary values from a result entry

ldap_list
Single-level search

ldap_modify
Modify an LDAP entry

ldap_modify_batch
Batch and execute modifications on an LDAP entry

ldap_mod_add
Add attribute values to current attributes

ldap_mod_del
Delete attribute values from current attributes

ldap_mod_replace
Replace attribute values with new ones

ldap_next_attribute
Get the next attribute in result

ldap_next_entry
Get next result entry

ldap_next_reference
Get next reference

ldap_parse_reference
Extract information from reference entry

ldap_parse_result
Extract information from result

ldap_read
Read an entry

ldap_rename
Modify the name of an entry

ldap_sasl_bind
Bind to LDAP directory using SASL

ldap_search
Search LDAP tree

ldap_set_option
Set the value of the given option

ldap_set_rebind_proc
Set a callback function to do re-binds on referral chasing

ldap_sort
Sort LDAP result entries

ldap_start_tls
Start TLS

ldap_t61_to_8859
Translate t61 characters to 8859 characters

ldap_unbind
Unbind from LDAP directory

levenshtein
计算两个字符串之间的编辑距离

libxml_clear_errors
Clear libxml error buffer

libxml_disable_entity_loader
Disable the ability to load external entities

libxml_get_errors
Retrieve array of errors

libxml_get_last_error
Retrieve last error from libxml

libxml_set_external_entity_loader
Changes the default external entity loader

libxml_set_streams_context
Set the streams context for the next libxml document load or write

libxml_use_internal_errors
Disable libxml errors and allow user to fetch error information as needed

link
创建一个硬链接

linkinfo
获取一个链接的信息

list
把数组中的值赋给一些变量

localeconv
Get numeric formatting information

localtime
取得本地时间

log
天然对数

log1p
返回 log(1 + number),甚至当 number 的值接近零也能计算出准确结果

log10
以 10 为底的对数

long2ip
Converts an long integer address into a string in (IPv4) Internet standard dotted format

lstat
给出一个文件或符号链接的信息

ltrim
删除字符串开头的空白字符(或其余字符)

lzf_compress
LZF compression

lzf_decompress
LZF decompression

lzf_optimized_for
Determines what LZF extension was optimized for
m
函数
说明

magic_quotes_runtime
别名 set_magic_quotes_runtime

mail
发送邮件

mailparse_determine_best_xfer_encoding
Gets the best way of encoding

mailparse_msg_create
Create a mime mail resource

mailparse_msg_extract_part
Extracts/decodes a message section

mailparse_msg_extract_part_file
Extracts/decodes a message section

mailparse_msg_extract_whole_part_file
Extracts a message section including headers without decoding the transfer encoding

mailparse_msg_free
Frees a MIME resource

mailparse_msg_get_part
Returns a handle on a given section in a mimemessage

mailparse_msg_get_part_data
Returns an associative array of info about the message

mailparse_msg_get_structure
Returns an array of mime section names in the supplied message

mailparse_msg_parse
Incrementally parse data into buffer

mailparse_msg_parse_file
Parses a file

mailparse_rfc822_parse_addresses
Parse RFC 822 compliant addresses

mailparse_stream_encode
Streams data from source file pointer, apply encoding and write to destfp

mailparse_uudecode_all
Scans the data from fp and extract each embedded uuencoded file

main
虚拟的main

max
找出最大值

maxdb_affected_rows
Gets the number of affected rows in a previous MaxDB operation

maxdb_autocommit
Turns on or off auto-commiting database modifications

maxdb_bind_param
别名 maxdb_stmt_bind_param

maxdb_bind_result
别名 maxdb_stmt_bind_result

maxdb_change_user
Changes the user of the specified database connection

maxdb_character_set_name
Returns the default character set for the database connection

maxdb_client_encoding
别名 maxdb_character_set_name

maxdb_close
Closes a previously opened database connection

maxdb_close_long_data
别名 maxdb_stmt_close_long_data

maxdb_commit
Commits the current transaction

maxdb_connect
Open a new connection to the MaxDB server

maxdb_connect_errno
Returns the error code from last connect call

maxdb_connect_error
Returns a string description of the last connect error

maxdb_data_seek
Adjusts the result pointer to an arbitary row in the result

maxdb_debug
Performs debugging operations

maxdb_disable_reads_from_master
Disable reads from master

maxdb_disable_rpl_parse
Disable RPL parse

maxdb_dump_debug_info
Dump debugging information into the log

maxdb_embedded_connect
Open a connection to an embedded MaxDB server

maxdb_enable_reads_from_master
Enable reads from master

maxdb_enable_rpl_parse
Enable RPL parse

maxdb_errno
Returns the error code for the most recent function call

maxdb_error
Returns a string description of the last error

maxdb_escape_string
别名 maxdb_real_escape_string

maxdb_execute
别名 maxdb_stmt_execute

maxdb_fetch
别名 maxdb_stmt_fetch

maxdb_fetch_array
Fetch a result row as an associative, a numeric array, or both

maxdb_fetch_assoc
Fetch a result row as an associative array

maxdb_fetch_field
Returns the next field in the result set

maxdb_fetch_fields
Returns an array of resources representing the fields in a result set

maxdb_fetch_field_direct
Fetch meta-data for a single field

maxdb_fetch_lengths
Returns the lengths of the columns of the current row in the result set

maxdb_fetch_object
Returns the current row of a result set as an object

maxdb_fetch_row
Get a result row as an enumerated array

maxdb_field_count
Returns the number of columns for the most recent query

maxdb_field_seek
Set result pointer to a specified field offset

maxdb_field_tell
Get current field offset of a result pointer

maxdb_free_result
Frees the memory associated with a result

maxdb_get_client_info
Returns the MaxDB client version as a string

maxdb_get_client_version
Get MaxDB client info

maxdb_get_host_info
Returns a string representing the type of connection used

maxdb_get_metadata
别名 maxdb_stmt_result_metadata

maxdb_get_proto_info
Returns the version of the MaxDB protocol used

maxdb_get_server_info
Returns the version of the MaxDB server

maxdb_get_server_version
Returns the version of the MaxDB server as an integer

maxdb_info
Retrieves information about the most recently executed query

maxdb_init
Initializes MaxDB and returns an resource for use with maxdb_real_connect

maxdb_insert_id
Returns the auto generated id used in the last query

maxdb_kill
Disconnects from a MaxDB server

maxdb_master_query
Enforce execution of a query on the master in a master/slave setup

maxdb_more_results
Check if there any more query results from a multi query

maxdb_multi_query
Performs a query on the database

maxdb_next_result
Prepare next result from multi_query

maxdb_num_fields
Get the number of fields in a result

maxdb_num_rows
Gets the number of rows in a result

maxdb_options
Set options

maxdb_param_count
别名 maxdb_stmt_param_count

maxdb_ping
Pings a server connection, or tries to reconnect if the connection has gone down

maxdb_prepare
Prepare an SQL statement for execution

maxdb_query
Performs a query on the database

maxdb_real_connect
Opens a connection to a MaxDB server

maxdb_real_escape_string
Escapes special characters in a string for use in an SQL statement, taking into account the current charset of the connection

maxdb_real_query
Execute an SQL query

maxdb_report
Enables or disables internal report functions

maxdb_rollback
Rolls back current transaction

maxdb_rpl_parse_enabled
Check if RPL parse is enabled

maxdb_rpl_probe
RPL probe

maxdb_rpl_query_type
Returns RPL query type

maxdb_select_db
Selects the default database for database queries

maxdb_send_long_data
别名 maxdb_stmt_send_long_data

maxdb_send_query
Send the query and return

maxdb_server_end
Shut down the embedded server

maxdb_server_init
Initialize embedded server

maxdb_set_opt
别名 maxdb_options

maxdb_sqlstate
Returns the SQLSTATE error from previous MaxDB operation

maxdb_ssl_set
Used for establishing secure connections using SSL

maxdb_stat
Gets the current system status

maxdb_stmt_affected_rows
Returns the total number of rows changed, deleted, or inserted by the last executed statement

maxdb_stmt_bind_param
Binds variables to a prepared statement as parameters

maxdb_stmt_bind_result
Binds variables to a prepared statement for result storage

maxdb_stmt_close
Closes a prepared statement

maxdb_stmt_close_long_data
Ends a sequence of maxdb_stmt_send_long_data

maxdb_stmt_data_seek
Seeks to an arbitray row in statement result set

maxdb_stmt_errno
Returns the error code for the most recent statement call

maxdb_stmt_error
Returns a string description for last statement error

maxdb_stmt_execute
Executes a prepared Query

maxdb_stmt_fetch
Fetch results from a prepared statement into the bound variables

maxdb_stmt_free_result
Frees stored result memory for the given statement handle

maxdb_stmt_init
Initializes a statement and returns an resource for use with maxdb_stmt_prepare

maxdb_stmt_num_rows
Return the number of rows in statements result set

maxdb_stmt_param_count
Returns the number of parameter for the given statement

maxdb_stmt_prepare
Prepare an SQL statement for execution

maxdb_stmt_reset
Resets a prepared statement

maxdb_stmt_result_metadata
Returns result set metadata from a prepared statement

maxdb_stmt_send_long_data
Send data in blocks

maxdb_stmt_sqlstate
Returns SQLSTATE error from previous statement operation

maxdb_stmt_store_result
Transfers a result set from a prepared statement

maxdb_store_result
Transfers a result set from the last query

maxdb_thread_id
Returns the thread ID for the current connection

maxdb_thread_safe
Returns whether thread safety is given or not

maxdb_use_result
Initiate a result set retrieval

maxdb_warning_count
Returns the number of warnings from the last query for the given link

mb_check_encoding
检查字符串在指定的编码里是否有效

mb_convert_case
对字符串进行大小写转换

mb_convert_encoding
转换字符的编码

mb_convert_kana
Convert “kana” one from another (“zen-kaku”, “han-kaku” and more)

mb_convert_variables
转换一个或多个变量的字符编码

mb_decode_mimeheader
解码 MIME 头字段中的字符串

mb_decode_numericentity
根据 HTML 数字字符串解码成字符

mb_detect_encoding
检测字符的编码

mb_detect_order
设置/获取 字符编码的检测顺序

mb_encode_mimeheader
为 MIME 头编码字符串

mb_encode_numericentity
Encode character to HTML numeric string reference

mb_encoding_aliases
Get aliases of a known encoding type

mb_ereg
Regular expression match with multibyte support

mb_eregi
Regular expression match ignoring case with multibyte support

mb_eregi_replace
Replace regular expression with multibyte support ignoring case

mb_ereg_match
Regular expression match for multibyte string

mb_ereg_replace
Replace regular expression with multibyte support

mb_ereg_replace_callback
Perform a regular expresssion seach and replace with multibyte support using a callback

mb_ereg_search
Multibyte regular expression match for predefined multibyte string

mb_ereg_search_getpos
Returns start point for next regular expression match

mb_ereg_search_getregs
Retrieve the result from the last multibyte regular expression match

mb_ereg_search_init
Setup string and regular expression for a multibyte regular expression match

mb_ereg_search_pos
Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string

mb_ereg_search_regs
Returns the matched part of a multibyte regular expression

mb_ereg_search_setpos
Set start point of next regular expression match

mb_get_info
获取 mbstring 的内部设置

mb_http_input
检测 HTTP 输入字符编码

mb_http_output
设置/获取 HTTP 输出字符编码

mb_internal_encoding
设置/获取内部字符编码

mb_language
设置/获取当前的语言

mb_list_encodings
返回全部支持编码的数组

mb_output_handler
在输出缓冲中转换字符编码的回调函数

mb_parse_str
解析 GET/POST/COOKIE 数据并设置全局变量

mb_preferred_mime_name
获取 MIME 字符串

mb_regex_encoding
Set/Get character encoding for multibyte regex

mb_regex_set_options
Set/Get the default options for mbregex functions

mb_send_mail
发送编码过的邮件

mb_split
使用正则表达式分割多字节字符串

mb_strcut
获取字符的一部分

mb_strimwidth
获取按指定宽度截断的字符串

mb_stripos
大小写不敏感地查找字符串在另外一个字符串中首次出现的位置

mb_stristr
大小写不敏感地查找字符串在另外一个字符串里的首次出现

mb_strlen
获取字符串的长度

mb_strpos
查找字符串在另外一个字符串中首次出现的位置

mb_strrchr
查找指定字符在另外一个字符串中最后一次的出现

mb_strrichr
大小写不敏感地查找指定字符在另外一个字符串中最后一次的出现

mb_strripos
大小写不敏感地在字符串中查找一个字符串最后出现的位置

mb_strrpos
查找字符串在一个字符串中最后出现的位置

mb_strstr
查找字符串在另外一个字符串里的首次出现

mb_strtolower
使字符串小写

mb_strtoupper
使字符串大写

mb_strwidth
返回字符串的宽度

mb_substitute_character
设置/获取替代字符

mb_substr
获取字符串的部分

mb_substr_count
统计字符串出现的次数

mcrypt_cbc
以 CBC 模式加解密数据

mcrypt_cfb
以 CFB 模式加解密数据

mcrypt_create_iv
从随机源建立初始向量

mcrypt_decrypt
使用给定参数解密密文

mcrypt_ecb
已废弃:使用 ECB 模式加解密数据

mcrypt_encrypt
使用给定参数加密明文

mcrypt_enc_get_algorithms_name
返回打开的算法名称

mcrypt_enc_get_block_size
返回打开的算法的分组大小

mcrypt_enc_get_iv_size
返回打开的算法的初始向量大小

mcrypt_enc_get_key_size
返回打开的模式所能支持的最长密钥

mcrypt_enc_get_modes_name
返回打开的模式的名称

mcrypt_enc_get_supported_key_sizes
以数组方式返回打开的算法所支持的密钥长度

mcrypt_enc_is_block_algorithm
检测打开模式的算法是否为分组算法

mcrypt_enc_is_block_algorithm_mode
检测打开的模式是否支持分组加密

mcrypt_enc_is_block_mode
检测打开的模式是否以分组方式输出

mcrypt_enc_self_test
在打开的模块上进行自检

mcrypt_generic
加密数据

mcrypt_generic_deinit
对加密模块进行清理工做

mcrypt_generic_end
终止加密

mcrypt_generic_init
初始化加密所需的缓冲区

mcrypt_get_block_size
得到加密算法的分组大小

mcrypt_get_cipher_name
获取加密算法名称

mcrypt_get_iv_size
返回指定算法/模式组合的初始向量大小

mcrypt_get_key_size
获取指定加密算法的密钥大小

mcrypt_list_algorithms
获取支持的加密算法

mcrypt_list_modes
获取所支持的模式

mcrypt_module_close
关闭加密模块

mcrypt_module_get_algo_block_size
返回指定算法的分组大小

mcrypt_module_get_algo_key_size
获取打开模式所支持的最大密钥大小

mcrypt_module_get_supported_key_sizes
以数组形式返回打开的算法所支持的密钥大小

mcrypt_module_is_block_algorithm
检测指定算法是否为分组加密算法

mcrypt_module_is_block_algorithm_mode
返回指定模块是不是分组加密模式

mcrypt_module_is_block_mode
检测指定模式是否以分组方式输出

mcrypt_module_open
打开算法和模式对应的模块

mcrypt_module_self_test
在指定模块上执行自检

mcrypt_ofb
使用 OFB 模式加密/解密数据

md5
计算字符串的 MD5 散列值

md5_file
计算指定文件的 MD5 散列值

mdecrypt_generic
解密数据

memcache_debug
转换调试输出的开/关

memory_get_peak_usage
返回分配给 PHP 内存的峰值

memory_get_usage
返回分配给 PHP 的内存量

metaphone
Calculate the metaphone key of a string

method_exists
检查类的方法是否存在

mhash
Computes hash

mhash_count
Gets the highest available hash ID

mhash_get_block_size
Gets the block size of the specified hash

mhash_get_hash_name
Gets the name of the specified hash

mhash_keygen_s2k
Generates a key

microtime
返回当前 Unix 时间戳和微秒数

mime_content_type
检测文件的 MIME 类型(已废弃)

min
找出最小值

ming_keypress
Returns the action flag for keyPress(char)

ming_setcubicthreshold
Set cubic threshold

ming_setscale
Set the global scaling factor.

ming_setswfcompression
Sets the SWF output compression

ming_useconstants
Use constant pool

ming_useswfversion
Sets the SWF version

mkdir
新建目录

mktime
取得一个日期的 Unix 时间戳

money_format
Formats a number as a currency string

MongoDB context options
MongoDB context option listing

MongoDB\BSON\fromJSON
Returns the BSON representation of a JSON value

MongoDB\BSON\fromPHP
Returns the BSON representation of a PHP value

MongoDB\BSON\toJSON
Returns the JSON representation of a BSON value

MongoDB\BSON\toPHP
Returns the PHP representation of a BSON value

move_uploaded_file
将上传的文件移动到新位置

mqseries_back
MQSeries MQBACK

mqseries_begin
MQseries MQBEGIN

mqseries_close
MQSeries MQCLOSE

mqseries_cmit
MQSeries MQCMIT

mqseries_conn
MQSeries MQCONN

mqseries_connx
MQSeries MQCONNX

mqseries_disc
MQSeries MQDISC

mqseries_get
MQSeries MQGET

mqseries_inq
MQSeries MQINQ

mqseries_open
MQSeries MQOPEN

mqseries_put
MQSeries MQPUT

mqseries_put1
MQSeries MQPUT1

mqseries_set
MQSeries MQSET

mqseries_strerror
Returns the error message corresponding to a result code (MQRC).

msession_connect
Connect to msession server

msession_count
Get session count

msession_create
Create a session

msession_destroy
Destroy a session

msession_disconnect
Close connection to msession server

msession_find
Find all sessions with name and value

msession_get
Get value from session

msession_get_array
Get array of msession variables

msession_get_data
Get data session unstructured data

msession_inc
Increment value in session

msession_list
List all sessions

msession_listvar
List sessions with variable

msession_lock
Lock a session

msession_plugin
Call an escape function within the msession personality plugin

msession_randstr
Get random string

msession_set
Set value in session

msession_set_array
Set msession variables from an array

msession_set_data
Set data session unstructured data

msession_timeout
Set/get session timeout

msession_uniq
Get unique id

msession_unlock
Unlock a session

msg_get_queue
Create or attach to a message queue

msg_queue_exists
Check whether a message queue exists

msg_receive
Receive a message from a message queue

msg_remove_queue
Destroy a message queue

msg_send
Send a message to a message queue

msg_set_queue
Set information in the message queue data structure

msg_stat_queue
Returns information from the message queue data structure

msql
Alias of msql_db_query

msql_affected_rows
Returns number of affected rows

msql_close
Close mSQL connection

msql_connect
Open mSQL connection

msql_createdb
别名 msql_create_db

msql_create_db
Create mSQL database

msql_data_seek
Move internal row pointer

msql_dbname
别名 msql_result

msql_db_query
Send mSQL query

msql_drop_db
Drop (delete) mSQL database

msql_error
Returns error message of last msql call

msql_fetch_array
Fetch row as array

msql_fetch_field
Get field information

msql_fetch_object
Fetch row as object

msql_fetch_row
Get row as enumerated array

msql_fieldflags
Alias of msql_field_flags

msql_fieldlen
Alias of msql_field_len

msql_fieldname
Alias of msql_field_name

msql_fieldtable
Alias of msql_field_table

msql_fieldtype
Alias of msql_field_type

msql_field_flags
Get field flags

msql_field_len
Get field length

msql_field_name
Get the name of the specified field in a result

msql_field_seek
Set field offset

msql_field_table
Get table name for field

msql_field_type
Get field type

msql_free_result
Free result memory

msql_list_dbs
List mSQL databases on server

msql_list_fields
List result fields

msql_list_tables
List tables in an mSQL database

msql_numfields
Alias of msql_num_fields

msql_numrows
Alias of msql_num_rows

msql_num_fields
Get number of fields in result

msql_num_rows
Get number of rows in result

msql_pconnect
Open persistent mSQL connection

msql_query
Send mSQL query

msql_regcase
Alias of sql_regcase

msql_result
Get result data

msql_select_db
Select mSQL database

msql_tablename
Alias of msql_result

mssql_bind
Adds a parameter to a stored procedure or a remote stored procedure

mssql_close
关闭MS SQL Server连接

mssql_connect
打开MS SQL server连接

mssql_data_seek
Moves internal row pointer

mssql_execute
Executes a stored procedure on a MS SQL server database

mssql_fetch_array
Fetch a result row as an associative array, a numeric array, or both

mssql_fetch_assoc
Returns an associative array of the current row in the result

mssql_fetch_batch
Returns the next batch of records

mssql_fetch_field
Get field information

mssql_fetch_object
Fetch row as object

mssql_fetch_row
Get row as enumerated array

mssql_field_length
Get the length of a field

mssql_field_name
Get the name of a field

mssql_field_seek
Seeks to the specified field offset

mssql_field_type
Gets the type of a field

mssql_free_result
Free result memory

mssql_free_statement
Free statement memory

mssql_get_last_message
Returns the last message from the server

mssql_guid_string
Converts a 16 byte binary GUID to a string

mssql_init
Initializes a stored procedure or a remote stored procedure

mssql_min_error_severity
Sets the minimum error severity

mssql_min_message_severity
Sets the minimum message severity

mssql_next_result
Move the internal result pointer to the next result

mssql_num_fields
Gets the number of fields in result

mssql_num_rows
Gets the number of rows in result

mssql_pconnect
Open persistent MS SQL connection

mssql_query
Send MS SQL query

mssql_result
Get result data

mssql_rows_affected
Returns the number of records affected by the query

mssql_select_db
Select MS SQL database

mt_getrandmax
显示随机数的最大可能值

mt_rand
生成更好的随机数

mt_srand
播下一个更好的随机数发生器种子

mysqli_bind_param
mysqli_stmt_bind_param的别名

mysqli_bind_result
mysqli_stmt_bind_result的别名

mysqli_client_encoding
mysqli_character_set_name的别名

mysqli_disable_rpl_parse
禁用RPL解析

mysqli_enable_reads_from_master
开启从主机读取

mysqli_enable_rpl_parse
开启RPL解析

mysqli_escape_string
别名 mysqli_real_escape_string

mysqli_execute
mysqli_stmt_execute的别名

mysqli_fetch
mysqli_stmt_fetch的别名。

mysqli_get_cache_stats
返回客户端Zval缓存统计信息

mysqli_get_client_stats
Returns client per-process statistics

mysqli_get_client_version
Returns the MySQL client version as an integer

mysqli_get_links_stats
Return information about open and cached links

mysqli_get_metadata
mysqli_stmt_result_metadata的别名

mysqli_master_query
在主/从机制中强制在主机中执行一个查询

mysqli_param_count
mysqli_stmt_param_count的别名

mysqli_report
开启或禁用(Mysql)内部(错误)报告函数

mysqli_rpl_parse_enabled
检查是否开启了RPL解析

mysqli_rpl_probe
RPL探测

mysqli_send_long_data
mysqli_stmt_send_long_data的别名

mysqli_set_opt
mysqli_options的别名

mysqli_slave_query
在主/从机制中强制在从机上执行一个查询

mysqlnd_memcache_get_config
Returns information about the plugin configuration

mysqlnd_memcache_set
Associate a MySQL connection with a Memcache connection

mysqlnd_ms_dump_servers
Returns a list of currently configured servers

mysqlnd_ms_fabric_select_global
Switch to global sharding server for a given table

mysqlnd_ms_fabric_select_shard
Switch to shard

mysqlnd_ms_get_last_gtid
返回最后的全局同步 ID (GTID)

mysqlnd_ms_get_last_used_connection
Returns an array which describes the last used connection

mysqlnd_ms_get_stats
Returns query distribution and connection statistics

mysqlnd_ms_match_wild
Finds whether a table name matches a wildcard pattern or not

mysqlnd_ms_query_is_select
查询给定的 SQL 会发送给 master、slave 仍是最后使用的 MySQL server 执行。

mysqlnd_ms_set_qos
Sets the quality of service needed from the cluster

mysqlnd_ms_set_user_pick_server
Sets a callback for user-defined read/write splitting

mysqlnd_ms_xa_begin
Starts a distributed/XA transaction among MySQL servers

mysqlnd_ms_xa_commit
Commits a distributed/XA transaction among MySQL servers

mysqlnd_ms_xa_gc
Garbage collects unfinished XA transactions after severe errors

mysqlnd_ms_xa_rollback
Rolls back a distributed/XA transaction among MySQL servers

mysqlnd_qc_clear_cache
Flush all cache contents

mysqlnd_qc_get_available_handlers
Returns a list of available storage handler

mysqlnd_qc_get_cache_info
Returns information on the current handler, the number of cache entries and cache entries, if available

mysqlnd_qc_get_core_stats
Statistics collected by the core of the query cache

mysqlnd_qc_get_normalized_query_trace_log
Returns a normalized query trace log for each query inspected by the query cache

mysqlnd_qc_get_query_trace_log
Returns a backtrace for each query inspected by the query cache

mysqlnd_qc_set_cache_condition
Set conditions for automatic caching

mysqlnd_qc_set_is_select
Installs a callback which decides whether a statement is cached

mysqlnd_qc_set_storage_handler
Change current storage handler

mysqlnd_qc_set_user_handlers
Sets the callback functions for a user-defined procedural storage handler

mysqlnd_uh_convert_to_mysqlnd
Converts a MySQL connection handle into a mysqlnd connection handle

mysqlnd_uh_set_connection_proxy
Installs a proxy for mysqlnd connections

mysqlnd_uh_set_statement_proxy
Installs a proxy for mysqlnd statements

mysql_affected_rows
取得前一次 MySQL 操做所影响的记录行数

mysql_client_encoding
返回字符集的名称

mysql_close
关闭 MySQL 链接

mysql_connect
打开一个到 MySQL 服务器的链接

mysql_create_db
新建一个 MySQL 数据库

mysql_data_seek
移动内部结果的指针

mysql_db_name
取得结果数据

mysql_db_query
发送一条 MySQL 查询

mysql_drop_db
丢弃(删除)一个 MySQL 数据库

mysql_errno
返回上一个 MySQL 操做中的错误信息的数字编码

mysql_error
返回上一个 MySQL 操做产生的文本错误信息

mysql_escape_string
转义一个字符串用于 mysql_query

mysql_fetch_array
从结果集中取得一行做为关联数组,或数字数组,或两者兼有

mysql_fetch_assoc
从结果集中取得一行做为关联数组

mysql_fetch_field
从结果集中取得列信息并做为对象返回

mysql_fetch_lengths
取得结果集中每一个输出的长度

mysql_fetch_object
从结果集中取得一行做为对象

mysql_fetch_row
从结果集中取得一行做为枚举数组

mysql_field_flags
从结果中取得和指定字段关联的标志

mysql_field_len
返回指定字段的长度

mysql_field_name
取得结果中指定字段的字段名

mysql_field_seek
将结果集中的指针设定为制定的字段偏移量

mysql_field_table
取得指定字段所在的表名

mysql_field_type
取得结果集中指定字段的类型

mysql_free_result
释放结果内存

mysql_get_client_info
取得 MySQL 客户端信息

mysql_get_host_info
取得 MySQL 主机信息

mysql_get_proto_info
取得 MySQL 协议信息

mysql_get_server_info
取得 MySQL 服务器信息

mysql_info
取得最近一条查询的信息

mysql_insert_id
取得上一步 INSERT 操做产生的 ID

mysql_list_dbs
列出 MySQL 服务器中全部的数据库

mysql_list_fields
列出 MySQL 结果中的字段

mysql_list_processes
列出 MySQL 进程

mysql_list_tables
列出 MySQL 数据库中的表

mysql_num_fields
取得结果集中字段的数目

mysql_num_rows
取得结果集中行的数目

mysql_pconnect
打开一个到 MySQL 服务器的持久链接

mysql_ping
Ping 一个服务器链接,若是没有链接则从新链接

mysql_query
发送一条 MySQL 查询

mysql_real_escape_string
转义 SQL 语句中使用的字符串中的特殊字符,并考虑到链接的当前字符集

mysql_result
取得结果数据

mysql_select_db
选择 MySQL 数据库

mysql_set_charset
设置客户端的字符集

mysql_stat
取得当前系统状态

mysql_tablename
取得表名

mysql_thread_id
返回当前线程的 ID

mysql_unbuffered_query
向 MySQL 发送一条 SQL 查询,并不获取和缓存结果的行

m_checkstatus
Check to see if a transaction has completed

m_completeauthorizations
Number of complete authorizations in queue, returning an array of their identifiers

m_connect
Establish the connection to MCVE

m_connectionerror
Get a textual representation of why a connection failed

m_deletetrans
Delete specified transaction from MCVE_CONN structure

m_destroyconn
Destroy the connection and MCVE_CONN structure

m_destroyengine
Free memory associated with IP/SSL connectivity

m_getcell
Get a specific cell from a comma delimited response by column name

m_getcellbynum
Get a specific cell from a comma delimited response by column number

m_getcommadelimited
Get the RAW comma delimited data returned from MCVE

m_getheader
Get the name of the column in a comma-delimited response

m_initconn
Create and initialize an MCVE_CONN structure

m_initengine
Ready the client for IP/SSL Communication

m_iscommadelimited
Checks to see if response is comma delimited

m_maxconntimeout
The maximum amount of time the API will attempt a connection to MCVE

m_monitor
Perform communication with MCVE (send/receive data) Non-blocking

m_numcolumns
Number of columns returned in a comma delimited response

m_numrows
Number of rows returned in a comma delimited response

m_parsecommadelimited
Parse the comma delimited response so m_getcell, etc will work

m_responsekeys
Returns array of strings which represents the keys that can be used for response parameters on this transaction

m_responseparam
Get a custom response parameter

m_returnstatus
Check to see if the transaction was successful

m_setblocking
Set blocking/non-blocking mode for connection

m_setdropfile
Set the connection method to Drop-File

m_setip
Set the connection method to IP

m_setssl
Set the connection method to SSL

m_setssl_cafile
Set SSL CA (Certificate Authority) file for verification of server certificate

m_setssl_files
Set certificate key files and certificates if server requires client certificate verification

m_settimeout
Set maximum transaction time (per trans)

m_sslcert_gen_hash
Generate hash for SSL client certificate verification

m_transactionssent
Check to see if outgoing buffer is clear

m_transinqueue
Number of transactions in client-queue

m_transkeyval
Add key/value pair to a transaction. Replaces deprecated transparam()

m_transnew
Start a new transaction

m_transsend
Finalize and send the transaction

m_uwait
Wait x microsecs

m_validateidentifier
Whether or not to validate the passed identifier on any transaction it is passed to

m_verifyconnection
Set whether or not to PING upon connect to verify connection

m_verifysslcert
Set whether or not to verify the server ssl certificate
n
函数
说明

natcasesort
用“天然排序”算法对数组进行不区分大小写字母的排序

natsort
用“天然排序”算法对数组排序

ncurses_addch
Add character at current position and advance cursor

ncurses_addchnstr
Add attributed string with specified length at current position

ncurses_addchstr
Add attributed string at current position

ncurses_addnstr
Add string with specified length at current position

ncurses_addstr
Output text at current position

ncurses_assume_default_colors
Define default colors for color 0

ncurses_attroff
Turn off the given attributes

ncurses_attron
Turn on the given attributes

ncurses_attrset
Set given attributes

ncurses_baudrate
Returns baudrate of terminal

ncurses_beep
Let the terminal beep

ncurses_bkgd
Set background property for terminal screen

ncurses_bkgdset
Control screen background

ncurses_border
Draw a border around the screen using attributed characters

ncurses_bottom_panel
Moves a visible panel to the bottom of the stack

ncurses_can_change_color
Checks if terminal color definitions can be changed

ncurses_cbreak
Switch off input buffering

ncurses_clear
Clear screen

ncurses_clrtobot
Clear screen from current position to bottom

ncurses_clrtoeol
Clear screen from current position to end of line

ncurses_color_content
Retrieves RGB components of a color

ncurses_color_set
Set active foreground and background colors

ncurses_curs_set
Set cursor state

ncurses_define_key
Define a keycode

ncurses_def_prog_mode
Saves terminals (program) mode

ncurses_def_shell_mode
Saves terminals (shell) mode

ncurses_delay_output
Delay output on terminal using padding characters

ncurses_delch
Delete character at current position, move rest of line left

ncurses_deleteln
Delete line at current position, move rest of screen up

ncurses_delwin
Delete a ncurses window

ncurses_del_panel
Remove panel from the stack and delete it (but not the associated window)

ncurses_doupdate
Write all prepared refreshes to terminal

ncurses_echo
Activate keyboard input echo

ncurses_echochar
Single character output including refresh

ncurses_end
Stop using ncurses, clean up the screen

ncurses_erase
Erase terminal screen

ncurses_erasechar
Returns current erase character

ncurses_filter
Set LINES for iniscr() and newterm() to 1

ncurses_flash
Flash terminal screen (visual bell)

ncurses_flushinp
Flush keyboard input buffer

ncurses_getch
Read a character from keyboard

ncurses_getmaxyx
Returns the size of a window

ncurses_getmouse
Reads mouse event

ncurses_getyx
Returns the current cursor position for a window

ncurses_halfdelay
Put terminal into halfdelay mode

ncurses_has_colors
Checks if terminal has color capabilities

ncurses_has_ic
Check for insert- and delete-capabilities

ncurses_has_il
Check for line insert- and delete-capabilities

ncurses_has_key
Check for presence of a function key on terminal keyboard

ncurses_hide_panel
Remove panel from the stack, making it invisible

ncurses_hline
Draw a horizontal line at current position using an attributed character and max. n characters long

ncurses_inch
Get character and attribute at current position

ncurses_init
Initialize ncurses

ncurses_init_color
Define a terminal color

ncurses_init_pair
Define a color pair

ncurses_insch
Insert character moving rest of line including character at current position

ncurses_insdelln
Insert lines before current line scrolling down (negative numbers delete and scroll up)

ncurses_insertln
Insert a line, move rest of screen down

ncurses_insstr
Insert string at current position, moving rest of line right

ncurses_instr
Reads string from terminal screen

ncurses_isendwin
Ncurses is in endwin mode, normal screen output may be performed

ncurses_keyok
Enable or disable a keycode

ncurses_keypad
Turns keypad on or off

ncurses_killchar
Returns current line kill character

ncurses_longname
Returns terminals description

ncurses_meta
Enables/Disable 8-bit meta key information

ncurses_mouseinterval
Set timeout for mouse button clicks

ncurses_mousemask
Sets mouse options

ncurses_mouse_trafo
Transforms coordinates

ncurses_move
Move output position

ncurses_move_panel
Moves a panel so that its upper-left corner is at [startx, starty]

ncurses_mvaddch
Move current position and add character

ncurses_mvaddchnstr
Move position and add attributed string with specified length

ncurses_mvaddchstr
Move position and add attributed string

ncurses_mvaddnstr
Move position and add string with specified length

ncurses_mvaddstr
Move position and add string

ncurses_mvcur
Move cursor immediately

ncurses_mvdelch
Move position and delete character, shift rest of line left

ncurses_mvgetch
Move position and get character at new position

ncurses_mvhline
Set new position and draw a horizontal line using an attributed character and max. n characters long

ncurses_mvinch
Move position and get attributed character at new position

ncurses_mvvline
Set new position and draw a vertical line using an attributed character and max. n characters long

ncurses_mvwaddstr
Add string at new position in window

ncurses_napms
Sleep

ncurses_newpad
Creates a new pad (window)

ncurses_newwin
Create a new window

ncurses_new_panel
Create a new panel and associate it with window

ncurses_nl
Translate newline and carriage return / line feed

ncurses_nocbreak
Switch terminal to cooked mode

ncurses_noecho
Switch off keyboard input echo

ncurses_nonl
Do not translate newline and carriage return / line feed

ncurses_noqiflush
Do not flush on signal characters

ncurses_noraw
Switch terminal out of raw mode

ncurses_pair_content
Retrieves foreground and background colors of a color pair

ncurses_panel_above
Returns the panel above panel

ncurses_panel_below
Returns the panel below panel

ncurses_panel_window
Returns the window associated with panel

ncurses_pnoutrefresh
Copies a region from a pad into the virtual screen

ncurses_prefresh
Copies a region from a pad into the virtual screen

ncurses_putp
Apply padding information to the string and output it

ncurses_qiflush
Flush on signal characters

ncurses_raw
Switch terminal into raw mode

ncurses_refresh
Refresh screen

ncurses_replace_panel
Replaces the window associated with panel

ncurses_resetty
Restores saved terminal state

ncurses_reset_prog_mode
Resets the prog mode saved by def_prog_mode

ncurses_reset_shell_mode
Resets the shell mode saved by def_shell_mode

ncurses_savetty
Saves terminal state

ncurses_scrl
Scroll window content up or down without changing current position

ncurses_scr_dump
Dump screen content to file

ncurses_scr_init
Initialize screen from file dump

ncurses_scr_restore
Restore screen from file dump

ncurses_scr_set
Inherit screen from file dump

ncurses_show_panel
Places an invisible panel on top of the stack, making it visible

ncurses_slk_attr
Returns current soft label key attribute

ncurses_slk_attroff
Turn off the given attributes for soft function-key labels

ncurses_slk_attron
Turn on the given attributes for soft function-key labels

ncurses_slk_attrset
Set given attributes for soft function-key labels

ncurses_slk_clear
Clears soft labels from screen

ncurses_slk_color
Sets color for soft label keys

ncurses_slk_init
Initializes soft label key functions

ncurses_slk_noutrefresh
Copies soft label keys to virtual screen

ncurses_slk_refresh
Copies soft label keys to screen

ncurses_slk_restore
Restores soft label keys

ncurses_slk_set
Sets function key labels

ncurses_slk_touch
Forces output when ncurses_slk_noutrefresh is performed

ncurses_standend
Stop using ‘standout’ attribute

ncurses_standout
Start using ‘standout’ attribute

ncurses_start_color
Initializes color functionality

ncurses_termattrs
Returns a logical OR of all attribute flags supported by terminal

ncurses_termname
Returns terminals (short)-name

ncurses_timeout
Set timeout for special key sequences

ncurses_top_panel
Moves a visible panel to the top of the stack

ncurses_typeahead
Specify different filedescriptor for typeahead checking

ncurses_ungetch
Put a character back into the input stream

ncurses_ungetmouse
Pushes mouse event to queue

ncurses_update_panels
Refreshes the virtual screen to reflect the relations between panels in the stack

ncurses_use_default_colors
Assign terminal default colors to color id -1

ncurses_use_env
Control use of environment information about terminal size

ncurses_use_extended_names
Control use of extended names in terminfo descriptions

ncurses_vidattr
Display the string on the terminal in the video attribute mode

ncurses_vline
Draw a vertical line at current position using an attributed character and max. n characters long

ncurses_waddch
Adds character at current position in a window and advance cursor

ncurses_waddstr
Outputs text at current postion in window

ncurses_wattroff
Turns off attributes for a window

ncurses_wattron
Turns on attributes for a window

ncurses_wattrset
Set the attributes for a window

ncurses_wborder
Draws a border around the window using attributed characters

ncurses_wclear
Clears window

ncurses_wcolor_set
Sets windows color pairings

ncurses_werase
Erase window contents

ncurses_wgetch
Reads a character from keyboard (window)

ncurses_whline
Draws a horizontal line in a window at current position using an attributed character and max. n characters long

ncurses_wmouse_trafo
Transforms window/stdscr coordinates

ncurses_wmove
Moves windows output position

ncurses_wnoutrefresh
Copies window to virtual screen

ncurses_wrefresh
Refresh window on terminal screen

ncurses_wstandend
End standout mode for a window

ncurses_wstandout
Enter standout mode for a window

ncurses_wvline
Draws a vertical line in a window at current position using an attributed character and max. n characters long

newt_bell
Send a beep to the terminal

newt_button
Create a new button

newt_button_bar
This function returns a grid containing the buttons created.

newt_centered_window
Open a centered window of the specified size

newt_checkbox
说明

newt_checkbox_get_value
Retreives value of checkox resource

newt_checkbox_set_flags
Configures checkbox resource

newt_checkbox_set_value
Sets the value of the checkbox

newt_checkbox_tree
说明

newt_checkbox_tree_add_item
Adds new item to the checkbox tree

newt_checkbox_tree_find_item
Finds an item in the checkbox tree

newt_checkbox_tree_get_current
Returns checkbox tree selected item

newt_checkbox_tree_get_entry_value
说明

newt_checkbox_tree_get_multi_selection
说明

newt_checkbox_tree_get_selection
说明

newt_checkbox_tree_multi
说明

newt_checkbox_tree_set_current
说明

newt_checkbox_tree_set_entry
说明

newt_checkbox_tree_set_entry_value
说明

newt_checkbox_tree_set_width
说明

newt_clear_key_buffer
Discards the contents of the terminal’s input buffer without waiting for additional input

newt_cls
说明

newt_compact_button
说明

newt_component_add_callback
说明

newt_component_takes_focus
说明

newt_create_grid
说明

newt_cursor_off
说明

newt_cursor_on
说明

newt_delay
说明

newt_draw_form
说明

newt_draw_root_text
Displays the string text at the position indicated

newt_entry
说明

newt_entry_get_value
说明

newt_entry_set
说明

newt_entry_set_filter
说明

newt_entry_set_flags
说明

newt_finished
Uninitializes newt interface

newt_form
Create a form

newt_form_add_component
Adds a single component to the form

newt_form_add_components
Add several components to the form

newt_form_add_hot_key
说明

newt_form_destroy
Destroys a form

newt_form_get_current
说明

newt_form_run
Runs a form

newt_form_set_background
说明

newt_form_set_height
说明

newt_form_set_size
说明

newt_form_set_timer
说明

newt_form_set_width
说明

newt_form_watch_fd
说明

newt_get_screen_size
Fills in the passed references with the current size of the terminal

newt_grid_add_components_to_form
说明

newt_grid_basic_window
说明

newt_grid_free
说明

newt_grid_get_size
说明

newt_grid_h_close_stacked
说明

newt_grid_h_stacked
说明

newt_grid_place
说明

newt_grid_set_field
说明

newt_grid_simple_window
说明

newt_grid_v_close_stacked
说明

newt_grid_v_stacked
说明

newt_grid_wrapped_window
说明

newt_grid_wrapped_window_at
说明

newt_init
Initialize newt

newt_label
说明

newt_label_set_text
说明

newt_listbox
说明

newt_listbox_append_entry
说明

newt_listbox_clear
说明

newt_listbox_clear_selection
说明

newt_listbox_delete_entry
说明

newt_listbox_get_current
说明

newt_listbox_get_selection
说明

newt_listbox_insert_entry
说明

newt_listbox_item_count
说明

newt_listbox_select_item
说明

newt_listbox_set_current
说明

newt_listbox_set_current_by_key
说明

newt_listbox_set_data
说明

newt_listbox_set_entry
说明

newt_listbox_set_width
说明

newt_listitem
说明

newt_listitem_get_data
说明

newt_listitem_set
说明

newt_open_window
Open a window of the specified size and position

newt_pop_help_line
Replaces the current help line with the one from the stack

newt_pop_window
Removes the top window from the display

newt_push_help_line
Saves the current help line on a stack, and displays the new line

newt_radiobutton
说明

newt_radio_get_current
说明

newt_redraw_help_line
说明

newt_reflow_text
说明

newt_refresh
Updates modified portions of the screen

newt_resize_screen
说明

newt_resume
Resume using the newt interface after calling newt_suspend

newt_run_form
Runs a form

newt_scale
说明

newt_scale_set
说明

newt_scrollbar_set
说明

newt_set_help_callback
说明

newt_set_suspend_callback
Set a callback function which gets invoked when user presses the suspend key

newt_suspend
Tells newt to return the terminal to its initial state

newt_textbox
说明

newt_textbox_get_num_lines
说明

newt_textbox_reflowed
说明

newt_textbox_set_height
说明

newt_textbox_set_text
说明

newt_vertical_scrollbar
说明

newt_wait_for_key
Doesn’t return until a key has been pressed

newt_win_choice
说明

newt_win_entries
说明

newt_win_menu
说明

newt_win_message
说明

newt_win_messagev
说明

newt_win_ternary
说明

next
将数组中的内部指针向前移动一位

ngettext
Plural version of gettext

nl2br
在字符串全部新行以前插入 HTML 换行标记

nl_langinfo
Query language and locale information

nsapi_request_headers
Fetch all HTTP request headers

nsapi_response_headers
Fetch all HTTP response headers

nsapi_virtual
Perform an NSAPI sub-request

nthmac
Obtain a nthmac key (needs 2 arguments)

number_format
以千位分隔符方式格式化一个数字
o
函数
说明

oauth_get_sbs
生成一个签名字符基串

oauth_urlencode
将 URI 编码为 RFC 3986 规范

ob_clean
清空(擦掉)输出缓冲区

ob_deflatehandler
Deflate output handler

ob_end_clean
清空(擦除)缓冲区并关闭输出缓冲

ob_end_flush
冲刷出(送出)输出缓冲区内容并关闭缓冲

ob_etaghandler
ETag output handler

ob_flush
冲刷出(送出)输出缓冲区中的内容

ob_get_clean
获得当前缓冲区的内容并删除当前输出缓。

ob_get_contents
返回输出缓冲区的内容

ob_get_flush
刷出(送出)缓冲区内容,以字符串形式返回内容,并关闭输出缓冲区。

ob_get_length
返回输出缓冲区内容的长度

ob_get_level
返回输出缓冲机制的嵌套级别

ob_get_status
获得全部输出缓冲区的状态

ob_gzhandler
在ob_start中使用的用来压缩输出缓冲区中内容的回调函数。ob_start callback function to gzip output buffer

ob_iconv_handler
以输出缓冲处理程序转换字符编码

ob_implicit_flush
打开/关闭绝对刷送

ob_inflatehandler
Inflate output handler

ob_list_handlers
列出全部使用中的输出处理程序。

ob_start
打开输出控制缓冲

ob_tidyhandler
ob_start callback function to repair the buffer

ocibindbyname
别名 oci_bind_by_name

ocicancel
别名 oci_cancel

ocicolumnisnull
别名 oci_field_is_null

ocicolumnname
别名 oci_field_name

ocicolumnprecision
别名 oci_field_precision

ocicolumnscale
别名 oci_field_scale

ocicolumnsize
别名 oci_field_size

ocicolumntype
别名 oci_field_type

ocicolumntyperaw
别名 oci_field_type_raw

ocicommit
别名 oci_commit

ocidefinebyname
别名 oci_define_by_name

ocierror
别名 oci_error

ociexecute
别名 oci_execute

ocifetch
别名 oci_fetch

ocifetchinto
Obsolete variant of oci_fetch_array, oci_fetch_object, oci_fetch_assoc and oci_fetch_row

ocifetchstatement
别名 oci_fetch_all

ocifreecursor
别名 oci_free_statement

ocifreestatement
别名 oci_free_statement

ociinternaldebug
别名 oci_internal_debug

ocilogoff
别名 oci_close

ocilogon
别名 oci_connect

ocinewcollection
别名 oci_new_collection

ocinewcursor
别名 oci_new_cursor

ocinewdescriptor
别名 oci_new_descriptor

ocinlogon
别名 oci_new_connect

ocinumcols
别名 oci_num_fields

ociparse
别名 oci_parse

ociplogon
别名 oci_pconnect

ociresult
别名 oci_result

ocirollback
别名 oci_rollback

ocirowcount
别名 oci_num_rows

ociserverversion
别名 oci_server_version

ocisetprefetch
别名 oci_set_prefetch

ocistatementtype
别名 oci_statement_type

oci_bind_array_by_name
Binds a PHP array to an Oracle PL/SQL array parameter

oci_bind_by_name
绑定一个 PHP 变量到一个 Oracle 位置标志符

oci_cancel
中断游标读取数据

oci_client_version
Returns the Oracle client library version

oci_close
关闭 Oracle 链接

oci_commit
提交未执行的事务处理

oci_connect
创建一个到 Oracle 服务器的链接

oci_define_by_name
在 SELECT 中使用 PHP 变量做为定义的步骤

oci_error
返回上一个错误

oci_execute
执行一条语句

oci_fetch
Fetches the next row into result-buffer

oci_fetch_all
获取结果数据的全部行到一个数组

oci_fetch_array
Returns the next row from a query as an associative or numeric array

oci_fetch_assoc
Returns the next row from a query as an associative array

oci_fetch_object
Returns the next row from a query as an object

oci_fetch_row
Returns the next row from a query as a numeric array

oci_field_is_null
检查字段是否为 NULL

oci_field_name
返回字段名

oci_field_precision
返回字段精度

oci_field_scale
返回字段范围

oci_field_size
返回字段大小

oci_field_type
返回字段的数据类型

oci_field_type_raw
返回字段的原始 Oracle 数据类型

oci_free_descriptor
Frees a descriptor

oci_free_statement
释放关联于语句或游标的全部资源

oci_get_implicit_resultset
Returns the next child statement resource from a parent statement resource that has Oracle Database 12c Implicit Result Sets

oci_internal_debug
打开或关闭内部调试输出

oci_lob_copy
Copies large object

oci_lob_is_equal
Compares two LOB/FILE locators for equality

oci_new_collection
分配新的 collection 对象

oci_new_connect
建定一个到 Oracle 服务器的新链接

oci_new_cursor
分配并返回一个新的游标(语句句柄)

oci_new_descriptor
初始化一个新的空 LOB 或 FILE 描述符

oci_num_fields
返回结果列的数目

oci_num_rows
返回语句执行后受影响的行数

oci_parse
配置 Oracle 语句预备执行

oci_password_change
修改 Oracle 用户的密码

oci_pconnect
使用一个持久链接连到 Oracle 数据库

oci_result
返回所取得行中字段的值

oci_rollback
回滚未提交的事务

oci_server_version
返回服务器版本信息

oci_set_action
Sets the action name

oci_set_client_identifier
Sets the client identifier

oci_set_client_info
Sets the client information

oci_set_edition
Sets the database edition

oci_set_module_name
Sets the module name

oci_set_prefetch
设置预提取行数

oci_statement_type
返回 OCI 语句的类型

octdec
八进制转换为十进制

odbc_autocommit
Toggle autocommit behaviour

odbc_binmode
Handling of binary column data

odbc_close
Close an ODBC connection

odbc_close_all
Close all ODBC connections

odbc_columnprivileges
Lists columns and associated privileges for the given table

odbc_columns
Lists the column names in specified tables

odbc_commit
Commit an ODBC transaction

odbc_connect
Connect to a datasource

odbc_cursor
Get cursorname

odbc_data_source
Returns information about a current connection

odbc_do
别名 odbc_exec

odbc_error
Get the last error code

odbc_errormsg
Get the last error message

odbc_exec
Prepare and execute an SQL statement

odbc_execute
Execute a prepared statement

odbc_fetch_array
Fetch a result row as an associative array

odbc_fetch_into
Fetch one result row into array

odbc_fetch_object
Fetch a result row as an object

odbc_fetch_row
Fetch a row

odbc_field_len
Get the length (precision) of a field

odbc_field_name
Get the columnname

odbc_field_num
Return column number

odbc_field_precision
别名 odbc_field_len

odbc_field_scale
Get the scale of a field

odbc_field_type
Datatype of a field

odbc_foreignkeys
Retrieves a list of foreign keys

odbc_free_result
Free resources associated with a result

odbc_gettypeinfo
Retrieves information about data types supported by the data source

odbc_longreadlen
Handling of LONG columns

odbc_next_result
Checks if multiple results are available

odbc_num_fields
Number of columns in a result

odbc_num_rows
Number of rows in a result

odbc_pconnect
Open a persistent database connection

odbc_prepare
Prepares a statement for execution

odbc_primarykeys
Gets the primary keys for a table

odbc_procedurecolumns
Retrieve information about parameters to procedures

odbc_procedures
Get the list of procedures stored in a specific data source

odbc_result
Get result data

odbc_result_all
Print result as HTML table

odbc_rollback
Rollback a transaction

odbc_setoption
Adjust ODBC settings

odbc_specialcolumns
Retrieves special columns

odbc_statistics
Retrieve statistics about a table

odbc_tableprivileges
Lists tables and the privileges associated with each table

odbc_tables
Get the list of table names stored in a specific data source

opcache_compile_file
无需运行,便可编译并缓存 PHP 脚本

opcache_get_configuration
获取缓存的配置信息

opcache_get_status
获取缓存的状态信息

opcache_invalidate
废除脚本缓存

opcache_is_script_cached
Tells whether a script is cached in OPCache

opcache_reset
重置字节码缓存的内容

openal_buffer_create
Generate OpenAL buffer

openal_buffer_data
Load a buffer with data

openal_buffer_destroy
Destroys an OpenAL buffer

openal_buffer_get
Retrieve an OpenAL buffer property

openal_buffer_loadwav
Load a .wav file into a buffer

openal_context_create
Create an audio processing context

openal_context_current
Make the specified context current

openal_context_destroy
Destroys a context

openal_context_process
Process the specified context

openal_context_suspend
Suspend the specified context

openal_device_close
Close an OpenAL device

openal_device_open
Initialize the OpenAL audio layer

openal_listener_get
Retrieve a listener property

openal_listener_set
Set a listener property

openal_source_create
Generate a source resource

openal_source_destroy
Destroy a source resource

openal_source_get
Retrieve an OpenAL source property

openal_source_pause
Pause the source

openal_source_play
Start playing the source

openal_source_rewind
Rewind the source

openal_source_set
Set source property

openal_source_stop
Stop playing the source

openal_stream
Begin streaming on a source

opendir
打开目录句柄

openlog
Open connection to system logger

openssl_cipher_iv_length
Gets the cipher iv length

openssl_csr_export
Exports a CSR as a string

openssl_csr_export_to_file
Exports a CSR to a file

openssl_csr_get_public_key
Returns the public key of a CERT

openssl_csr_get_subject
Returns the subject of a CERT

openssl_csr_new
Generates a CSR

openssl_csr_sign
Sign a CSR with another certificate (or itself) and generate a certificate

openssl_decrypt
Decrypts data

openssl_dh_compute_key
Computes shared secret for public value of remote DH key and local DH key

openssl_digest
Computes a digest

openssl_encrypt
Encrypts data

openssl_error_string
Return openSSL error message

openssl_free_key
Free key resource

openssl_get_cert_locations
Retrieve the available certificate locations

openssl_get_cipher_methods
Gets available cipher methods

openssl_get_md_methods
Gets available digest methods

openssl_get_privatekey
别名 openssl_pkey_get_private

openssl_get_publickey
别名 openssl_pkey_get_public

openssl_open
Open sealed data

openssl_pbkdf2
Generates a PKCS5 v2 PBKDF2 string, defaults to SHA-1

openssl_pkcs7_decrypt
Decrypts an S/MIME encrypted message

openssl_pkcs7_encrypt
Encrypt an S/MIME message

openssl_pkcs7_sign
Sign an S/MIME message

openssl_pkcs7_verify
Verifies the signature of an S/MIME signed message

openssl_pkcs12_export
Exports a PKCS#12 Compatible Certificate Store File to variable.

openssl_pkcs12_export_to_file
Exports a PKCS#12 Compatible Certificate Store File

openssl_pkcs12_read
Parse a PKCS#12 Certificate Store into an array

openssl_pkey_export
Gets an exportable representation of a key into a string

openssl_pkey_export_to_file
Gets an exportable representation of a key into a file

openssl_pkey_free
Frees a private key

openssl_pkey_get_details
Returns an array with the key details

openssl_pkey_get_private
Get a private key

openssl_pkey_get_public
Extract public key from certificate and prepare it for use

openssl_pkey_new
Generates a new private key

openssl_private_decrypt
Decrypts data with private key

openssl_private_encrypt
Encrypts data with private key

openssl_public_decrypt
Decrypts data with public key

openssl_public_encrypt
Encrypts data with public key

openssl_random_pseudo_bytes
Generate a pseudo-random string of bytes

openssl_seal
Seal (encrypt) data

openssl_sign
Generate signature

openssl_spki_export
Exports a valid PEM formatted public key signed public key and challenge

openssl_spki_export_challenge
Exports the challenge assoicated with a signed public key and challenge

openssl_spki_new
Generate a new signed public key and challenge

openssl_spki_verify
Verifies a signed public key and challenge

openssl_verify
Verify signature

openssl_x509_checkpurpose
Verifies if a certificate can be used for a particular purpose

openssl_x509_check_private_key
Checks if a private key corresponds to a certificate

openssl_x509_export
Exports a certificate as a string

openssl_x509_export_to_file
Exports a certificate to file

openssl_x509_fingerprint
Calculates the fingerprint, or digest, of a given X.509 certificate

openssl_x509_free
Free certificate resource

openssl_x509_parse
Parse an X509 certificate and return the information as an array

openssl_x509_read
Parse an X.509 certificate and return a resource identifier for it

ord
返回字符的 ASCII 码值

output_add_rewrite_var
添加URL重写器的值(Add URL rewriter values)

output_reset_rewrite_vars
重设URL重写器的值(Reset URL rewriter values)

override_function
Overrides built-in functions
p
函数
说明

pack
Pack data into binary string

parsekit_compile_file
Compile a PHP file and return the resulting op array

parsekit_compile_string
Compile a string of PHP code and return the resulting op array

parsekit_func_arginfo
Return information regarding function argument(s)

parse_ini_file
解析一个配置文件

parse_ini_string
Parse a configuration string

parse_str
将字符串解析成多个变量

parse_url
解析 URL,返回其组成部分

passthru
执行外部程序而且显示原始输出

password_get_info
Returns information about the given hash

password_hash
Creates a password hash

password_needs_rehash
Checks if the given hash matches the given options

password_verify
Verifies that a password matches a hash

pathinfo
返回文件路径的信息

pclose
关闭进程文件指针

pcntl_alarm
为进程设置一个alarm闹钟信号

pcntl_errno
别名 pcntl_strerror

pcntl_exec
在当前进程空间执行指定程序

pcntl_fork
在当前进程当前位置产生分支(子进程)。译注:fork是建立了一个子进程,父进程和子进程 都从fork的位置开始向下继续执行,不一样的是父进程执行过程当中,获得的fork返回值为子进程 号,而子进程获得的是0。

pcntl_getpriority
获取任意进程的优先级

pcntl_get_last_error
Retrieve the error number set by the last pcntl function which failed

pcntl_setpriority
修改任意进程的优先级

pcntl_signal
安装一个信号处理器

pcntl_signal_dispatch
调用等待信号的处理器

pcntl_sigprocmask
设置或检索阻塞信号

pcntl_sigtimedwait
带超时机制的信号等待

pcntl_sigwaitinfo
等待信号

pcntl_strerror
Retrieve the system error message associated with the given errno

pcntl_wait
等待或返回fork的子进程状态

pcntl_waitpid
等待或返回fork的子进程状态

pcntl_wexitstatus
返回一个中断的子进程的返回代码

pcntl_wifexited
检查状态代码是否表明一个正常的退出。

pcntl_wifsignaled
检查子进程状态码是否表明因为某个信号而中断

pcntl_wifstopped
检查子进程当前是否已经中止

pcntl_wstopsig
返回致使子进程中止的信号

pcntl_wtermsig
返回致使子进程中断的信号

PDF_activate_item
Activate structure element or other content item

PDF_add_annotation
Add annotation [deprecated]

PDF_add_bookmark
Add bookmark for current page [deprecated]

PDF_add_launchlink
Add launch annotation for current page [deprecated]

PDF_add_locallink
Add link annotation for current page [deprecated]

PDF_add_nameddest
Create named destination

PDF_add_note
Set annotation for current page [deprecated]

PDF_add_outline
Add bookmark for current page [deprecated]

PDF_add_pdflink
Add file link annotation for current page [deprecated]

PDF_add_table_cell
Add a cell to a new or existing table

PDF_add_textflow
Create Textflow or add text to existing Textflow

PDF_add_thumbnail
Add thumbnail for current page

PDF_add_weblink
Add weblink for current page [deprecated]

PDF_arc
Draw a counterclockwise circular arc segment

PDF_arcn
Draw a clockwise circular arc segment

PDF_attach_file
Add file attachment for current page [deprecated]

PDF_begin_document
Create new PDF file

PDF_begin_font
Start a Type 3 font definition

PDF_begin_glyph
Start glyph definition for Type 3 font

PDF_begin_item
Open structure element or other content item

PDF_begin_layer
Start layer

PDF_begin_page
Start new page [deprecated]

PDF_begin_page_ext
Start new page

PDF_begin_pattern
Start pattern definition

PDF_begin_template
Start template definition [deprecated]

PDF_begin_template_ext
Start template definition

PDF_circle
Draw a circle

PDF_clip
Clip to current path

PDF_close
Close pdf resource [deprecated]

PDF_closepath
Close current path

PDF_closepath_fill_stroke
Close, fill and stroke current path

PDF_closepath_stroke
Close and stroke path

PDF_close_image
Close image

PDF_close_pdi
Close the input PDF document [deprecated]

PDF_close_pdi_page
Close the page handle

PDF_concat
Concatenate a matrix to the CTM

PDF_continue_text
Output text in next line

PDF_create_3dview
Create 3D view

PDF_create_action
Create action for objects or events

PDF_create_annotation
Create rectangular annotation

PDF_create_bookmark
Create bookmark

PDF_create_field
Create form field

PDF_create_fieldgroup
Create form field group

PDF_create_gstate
Create graphics state object

PDF_create_pvf
Create PDFlib virtual file

PDF_create_textflow
Create textflow object

PDF_curveto
Draw Bezier curve

PDF_define_layer
Create layer definition

PDF_delete
Delete PDFlib object

PDF_delete_pvf
Delete PDFlib virtual file

PDF_delete_table
Delete table object

PDF_delete_textflow
Delete textflow object

PDF_encoding_set_char
Add glyph name and/or Unicode value

PDF_endpath
End current path

PDF_end_document
Close PDF file

PDF_end_font
Terminate Type 3 font definition

PDF_end_glyph
Terminate glyph definition for Type 3 font

PDF_end_item
Close structure element or other content item

PDF_end_layer
Deactivate all active layers

PDF_end_page
Finish page

PDF_end_page_ext
Finish page

PDF_end_pattern
Finish pattern

PDF_end_template
Finish template

PDF_fill
Fill current path

PDF_fill_imageblock
Fill image block with variable data

PDF_fill_pdfblock
Fill PDF block with variable data

PDF_fill_stroke
Fill and stroke path

PDF_fill_textblock
Fill text block with variable data

PDF_findfont
Prepare font for later use [deprecated]

PDF_fit_image
Place image or template

PDF_fit_pdi_page
Place imported PDF page

PDF_fit_table
Place table on page

PDF_fit_textflow
Format textflow in rectangular area

PDF_fit_textline
Place single line of text

PDF_get_apiname
Get name of unsuccessfull API function

PDF_get_buffer
Get PDF output buffer

PDF_get_errmsg
Get error text

PDF_get_errnum
Get error number

PDF_get_font
Get font [deprecated]

PDF_get_fontname
Get font name [deprecated]

PDF_get_fontsize
Font handling [deprecated]

PDF_get_image_height
Get image height [deprecated]

PDF_get_image_width
Get image width [deprecated]

PDF_get_majorversion
Get major version number [deprecated]

PDF_get_minorversion
Get minor version number [deprecated]

PDF_get_parameter
Get string parameter

PDF_get_pdi_parameter
Get PDI string parameter [deprecated]

PDF_get_pdi_value
Get PDI numerical parameter [deprecated]

PDF_get_value
Get numerical parameter

PDF_info_font
Query detailed information about a loaded font

PDF_info_matchbox
Query matchbox information

PDF_info_table
Retrieve table information

PDF_info_textflow
Query textflow state

PDF_info_textline
Perform textline formatting and query metrics

PDF_initgraphics
Reset graphic state

PDF_lineto
Draw a line

PDF_load_3ddata
Load 3D model

PDF_load_font
Search and prepare font

PDF_load_iccprofile
Search and prepare ICC profile

PDF_load_image
Open image file

PDF_makespotcolor
Make spot color

PDF_moveto
Set current point

PDF_new
Create PDFlib object

PDF_open_ccitt
Open raw CCITT image [deprecated]

PDF_open_file
Create PDF file [deprecated]

PDF_open_gif
Open GIF image [deprecated]

PDF_open_image
Use image data [deprecated]

PDF_open_image_file
Read image from file [deprecated]

PDF_open_jpeg
Open JPEG image [deprecated]

PDF_open_memory_image
Open image created with PHP’s image functions [not supported]

PDF_open_pdi
Open PDF file [deprecated]

PDF_open_pdi_document
Prepare a pdi document

PDF_open_pdi_page
Prepare a page

PDF_open_tiff
Open TIFF image [deprecated]

PDF_pcos_get_number
Get value of pCOS path with type number or boolean

PDF_pcos_get_stream
Get contents of pCOS path with type stream, fstream, or string

PDF_pcos_get_string
Get value of pCOS path with type name, string, or boolean

PDF_place_image
Place image on the page [deprecated]

PDF_place_pdi_page
Place PDF page [deprecated]

PDF_process_pdi
Process imported PDF document

PDF_rect
Draw rectangle

PDF_restore
Restore graphics state

PDF_resume_page
Resume page

PDF_rotate
Rotate coordinate system

PDF_save
Save graphics state

PDF_scale
Scale coordinate system

PDF_setcolor
Set fill and stroke color

PDF_setdash
Set simple dash pattern

PDF_setdashpattern
Set dash pattern

PDF_setflat
Set flatness

PDF_setfont
Set font

PDF_setgray
Set color to gray [deprecated]

PDF_setgray_fill
Set fill color to gray [deprecated]

PDF_setgray_stroke
Set stroke color to gray [deprecated]

PDF_setlinecap
Set linecap parameter

PDF_setlinejoin
Set linejoin parameter

PDF_setlinewidth
Set line width

PDF_setmatrix
Set current transformation matrix

PDF_setmiterlimit
Set miter limit

PDF_setpolydash
Set complicated dash pattern [deprecated]

PDF_setrgbcolor
Set fill and stroke rgb color values [deprecated]

PDF_setrgbcolor_fill
Set fill rgb color values [deprecated]

PDF_setrgbcolor_stroke
Set stroke rgb color values [deprecated]

PDF_set_border_color
Set border color of annotations [deprecated]

PDF_set_border_dash
Set border dash style of annotations [deprecated]

PDF_set_border_style
Set border style of annotations [deprecated]

PDF_set_char_spacing
Set character spacing [deprecated]

PDF_set_duration
Set duration between pages [deprecated]

PDF_set_gstate
Activate graphics state object

PDF_set_horiz_scaling
Set horizontal text scaling [deprecated]

PDF_set_info
Fill document info field

PDF_set_info_author
Fill the author document info field [deprecated]

PDF_set_info_creator
Fill the creator document info field [deprecated]

PDF_set_info_keywords
Fill the keywords document info field [deprecated]

PDF_set_info_subject
Fill the subject document info field [deprecated]

PDF_set_info_title
Fill the title document info field [deprecated]

PDF_set_layer_dependency
Define relationships among layers

PDF_set_leading
Set distance between text lines [deprecated]

PDF_set_parameter
Set string parameter

PDF_set_text_matrix
Set text matrix [deprecated]

PDF_set_text_pos
Set text position

PDF_set_text_rendering
Determine text rendering [deprecated]

PDF_set_text_rise
Set text rise [deprecated]

PDF_set_value
Set numerical parameter

PDF_set_word_spacing
Set spacing between words [deprecated]

PDF_shading
Define blend

PDF_shading_pattern
Define shading pattern

PDF_shfill
Fill area with shading

PDF_show
Output text at current position

PDF_show_boxed
Output text in a box [deprecated]

PDF_show_xy
Output text at given position

PDF_skew
Skew the coordinate system

PDF_stringwidth
Return width of text

PDF_stroke
Stroke path

PDF_suspend_page
Suspend page

PDF_translate
Set origin of coordinate system

PDF_utf8_to_utf16
Convert string from UTF-8 to UTF-16

PDF_utf16_to_utf8
Convert string from UTF-16 to UTF-8

PDF_utf32_to_utf16
Convert string from UTF-32 to UTF-16

PDO_4D DSN
Connecting to 4D SQL server

PDO_CUBRID DSN
Connecting to CUBRID databases

PDO_DBLIB DSN
Connecting to Microsoft SQL Server and Sybase databases

PDO_FIREBIRD DSN
Connecting to Firebird databases

PDO_IBM DSN
Connecting to IBM databases

PDO_INFORMIX DSN
Connecting to Informix databases

PDO_MYSQL DSN
Connecting to MySQL databases

PDO_OCI DSN
Connecting to Oracle databases

PDO_ODBC DSN
Connecting to ODBC or DB2 databases

PDO_PGSQL DSN
Connecting to PostgreSQL databases

PDO_SQLITE DSN
Connecting to SQLite databases

PDO_SQLSRV DSN
Connecting to MS SQL Server and SQL Azure databases

pfsockopen
打开一个持久的网络链接或者Unix套接字链接。

pg_affected_rows
返回受影响的记录数目

pg_cancel_query
取消异步查询

pg_client_encoding
取得客户端编码方式

pg_close
关闭一个 PostgreSQL 链接

pg_connect
打开一个 PostgreSQL 链接

pg_connection_busy
获知链接是否为忙

pg_connection_reset
重置链接(再次链接)

pg_connection_status
得到链接状态

pg_connect_poll
Poll the status of an in-progress asynchronous PostgreSQL connection attempt.

pg_consume_input
Reads input on the connection

pg_convert
将关联的数组值转换为适合 SQL 语句的格式。

pg_copy_from
根据数组将记录插入表中

pg_copy_to
将一个表拷贝到数组中

pg_dbname
得到数据库名

pg_delete
删除记录

pg_end_copy
与 PostgreSQL 后端同步

pg_escape_bytea
转义 bytea 类型的二进制数据

pg_escape_identifier
Escape a identifier for insertion into a text field

pg_escape_literal
Escape a literal for insertion into a text field

pg_escape_string
转义 text/char 类型的字符串

pg_execute
Sends a request to execute a prepared statement with given parameters, and waits for the result.

pg_fetch_all
从结果中提取全部行做为一个数组

pg_fetch_all_columns
Fetches all rows in a particular result column as an array

pg_fetch_array
提取一行做为数组

pg_fetch_assoc
提取一行做为关联数组

pg_fetch_object
提取一行做为对象

pg_fetch_result
从结果资源中返回值

pg_fetch_row
提取一行做为枚举数组

pg_field_is_null
测试字段是否为 NULL

pg_field_name
返回字段的名字

pg_field_num
返回字段的编号

pg_field_prtlen
返回打印出来的长度

pg_field_size
返回指定字段占用内部存储空间的大小

pg_field_table
Returns the name or oid of the tables field

pg_field_type
返回相应字段的类型名称

pg_field_type_oid
Returns the type ID (OID) for the corresponding field number

pg_flush
Flush outbound query data on the connection

pg_free_result
释放查询结果占用的内存

pg_get_notify
Ping 数据库链接

pg_get_pid
Ping 数据库链接

pg_get_result
取得异步查询结果

pg_host
返回和某链接关联的主机名

pg_insert
将数组插入到表中

pg_last_error
获得某链接的最后一条错误信息

pg_last_notice
返回 PostgreSQL 服务器最新一条公告信息

pg_last_oid
返回上一个对象的 oid

pg_lo_close
关闭一个大型对象

pg_lo_create
新建一个大型对象

pg_lo_export
将大型对象导出到文件

pg_lo_import
将文件导入为大型对象

pg_lo_open
打开一个大型对象

pg_lo_read
从大型对象中读入数据

pg_lo_read_all
读入整个大型对象并直接发送给浏览器

pg_lo_seek
移动大型对象中的指针

pg_lo_tell
返回大型对象的当前指针位置

pg_lo_truncate
Truncates a large object

pg_lo_unlink
删除一个大型对象

pg_lo_write
向大型对象写入数据

pg_meta_data
得到表的元数据

pg_num_fields
返回字段的数目

pg_num_rows
返回行的数目

pg_options
得到和链接有关的选项

pg_parameter_status
Looks up a current parameter setting of the server.

pg_pconnect
打开一个持久的 PostgreSQL 链接

pg_ping
Ping 数据库链接

pg_port
返回该链接的端口号

pg_prepare
Submits a request to create a prepared statement with the given parameters, and waits for completion.

pg_put_line
向 PostgreSQL 后端发送以 NULL 结尾的字符串

pg_query
执行查询

pg_query_params
Submits a command to the server and waits for the result, with the ability to pass parameters separately from the SQL command text.

pg_result_error
得到查询结果的错误信息

pg_result_error_field
Returns an individual field of an error report.

pg_result_seek
在结果资源中设定内部行偏移量

pg_result_status
得到查询结果的状态

pg_select
选择记录

pg_send_execute
Sends a request to execute a prepared statement with given parameters, without waiting for the result(s).

pg_send_prepare
Sends a request to create a prepared statement with the given parameters, without waiting for completion.

pg_send_query
发送异步查询

pg_send_query_params
Submits a command and separate parameters to the server without waiting for the result(s).

pg_set_client_encoding
设定客户端编码

pg_set_error_verbosity
Determines the verbosity of messages returned by pg_last_error and pg_result_error.

pg_socket
Get a read only handle to the socket underlying a PostgreSQL connection

pg_trace
启动一个 PostgreSQL 链接的追踪功能

pg_transaction_status
Returns the current in-transaction status of the server.

pg_tty
返回该链接的 tty 号

pg_unescape_bytea
取消 bytea 类型中的字符串转义

pg_untrace
关闭 PostgreSQL 链接的追踪功能

pg_update
更新表

pg_version
Returns an array with client, protocol and server version (when available)

PharException
The PharException class provides a phar-specific exception class for try/catch blocks.

Phar 上下文(context)选项
Phar 上下文(context)选项列表

phpcredits
打印 PHP 贡献者名单

phpinfo
输出关于 PHP 配置的信息

phpversion
获取当前的PHP版本

php_check_syntax
检查PHP的语法(并执行)指定的文件

php_ini_loaded_file
取得已加载的 php.ini 文件的路径

php_ini_scanned_files
返回从额外 ini 目录里解析的 .ini 文件列表

php_logo_guid
获取 logo 的 guid

php_sapi_name
返回 web 服务器和 PHP 之间的接口类型

php_strip_whitespace
返回删除注释和空格后的PHP源码

php_uname
返回运行 PHP 的系统的有关信息

pi
获得圆周率值

png2wbmp
将 PNG 图像文件转换为 WBMP 图像文件

popen
打开进程文件指针

pos
current 的别名

posix_access
Determine accessibility of a file

posix_ctermid
Get path name of controlling terminal

posix_errno
别名 posix_get_last_error

posix_getcwd
Pathname of current directory

posix_getegid
Return the effective group ID of the current process

posix_geteuid
Return the effective user ID of the current process

posix_getgid
Return the real group ID of the current process

posix_getgrgid
Return info about a group by group id

posix_getgrnam
Return info about a group by name

posix_getgroups
Return the group set of the current process

posix_getlogin
Return login name

posix_getpgid
Get process group id for job control

posix_getpgrp
Return the current process group identifier

posix_getpid
返回当前进程 id

posix_getppid
Return the parent process identifier

posix_getpwnam
Return info about a user by username

posix_getpwuid
Return info about a user by user id

posix_getrlimit
Return info about system resource limits

posix_getsid
Get the current sid of the process

posix_getuid
Return the real user ID of the current process

posix_get_last_error
Retrieve the error number set by the last posix function that failed

posix_initgroups
Calculate the group access list

posix_isatty
Determine if a file descriptor is an interactive terminal

posix_kill
Send a signal to a process

posix_mkfifo
Create a fifo special file (a named pipe)

posix_mknod
Create a special or ordinary file (POSIX.1)

posix_setegid
Set the effective GID of the current process

posix_seteuid
Set the effective UID of the current process

posix_setgid
Set the GID of the current process

posix_setpgid
Set process group id for job control

posix_setrlimit
Set system resource limits

posix_setsid
Make the current process a session leader

posix_setuid
Set the UID of the current process

posix_strerror
Retrieve the system error message associated with the given errno

posix_times
Get process times

posix_ttyname
Determine terminal device name

posix_uname
Get system name

pow
指数表达式

preg_filter
执行一个正则表达式搜索和替换

preg_grep
返回匹配模式的数组条目

preg_last_error
返回最后一个PCRE正则执行产生的错误代码

preg_match
执行一个正则表达式匹配

preg_match_all
执行一个全局正则表达式匹配

preg_quote
转义正则表达式字符

preg_replace
执行一个正则表达式的搜索和替换

preg_replace_callback
执行一个正则表达式搜索而且使用一个回调进行替换

preg_replace_callback_array
Perform a regular expression search and replace using callbacks

preg_split
经过一个正则表达式分隔字符串

prev
将数组的内部指针倒回一位

print
输出字符串

printf
输出格式化字符串

print_r
打印关于变量的易于理解的信息。

proc_close
关闭由 proc_open 打开的进程而且返回进程退出码

proc_get_status
获取由 proc_open 函数打开的进程的信息

proc_nice
修改当前进程的优先级

proc_open
执行一个命令,而且打开用来输入/输出的文件指针。

proc_terminate
杀除由 proc_open 打开的进程

property_exists
检查对象或类是否具备该属性

pspell_add_to_personal
Add the word to a personal wordlist

pspell_add_to_session
Add the word to the wordlist in the current session

pspell_check
Check a word

pspell_clear_session
Clear the current session

pspell_config_create
Create a config used to open a dictionary

pspell_config_data_dir
location of language data files

pspell_config_dict_dir
Location of the main word list

pspell_config_ignore
Ignore words less than N characters long

pspell_config_mode
Change the mode number of suggestions returned

pspell_config_personal
Set a file that contains personal wordlist

pspell_config_repl
Set a file that contains replacement pairs

pspell_config_runtogether
Consider run-together words as valid compounds

pspell_config_save_repl
Determine whether to save a replacement pairs list along with the wordlist

pspell_new
Load a new dictionary

pspell_new_config
Load a new dictionary with settings based on a given config

pspell_new_personal
Load a new dictionary with personal wordlist

pspell_save_wordlist
Save the personal wordlist to a file

pspell_store_replacement
Store a replacement pair for a word

pspell_suggest
Suggest spellings of a word

ps_add_bookmark
Add bookmark to current page

ps_add_launchlink
Adds link which launches file

ps_add_locallink
Adds link to a page in the same document

ps_add_note
Adds note to current page

ps_add_pdflink
Adds link to a page in a second pdf document

ps_add_weblink
Adds link to a web location

ps_arc
Draws an arc counterclockwise

ps_arcn
Draws an arc clockwise

ps_begin_page
Start a new page

ps_begin_pattern
Start a new pattern

ps_begin_template
Start a new template

ps_circle
Draws a circle

ps_clip
Clips drawing to current path

ps_close
Closes a PostScript document

ps_closepath
Closes path

ps_closepath_stroke
Closes and strokes path

ps_close_image
Closes image and frees memory

ps_continue_text
Continue text in next line

ps_curveto
Draws a curve

ps_delete
Deletes all resources of a PostScript document

ps_end_page
End a page

ps_end_pattern
End a pattern

ps_end_template
End a template

ps_fill
Fills the current path

ps_fill_stroke
Fills and strokes the current path

ps_findfont
Loads a font

ps_get_buffer
Fetches the full buffer containig the generated PS data

ps_get_parameter
Gets certain parameters

ps_get_value
Gets certain values

ps_hyphenate
Hyphenates a word

ps_include_file
Reads an external file with raw PostScript code

ps_lineto
Draws a line

ps_makespotcolor
Create spot color

ps_moveto
Sets current point

ps_new
Creates a new PostScript document object

ps_open_file
Opens a file for output

ps_open_image
Reads an image for later placement

ps_open_image_file
Opens image from file

ps_open_memory_image
Takes an GD image and returns an image for placement in a PS document

ps_place_image
Places image on the page

ps_rect
Draws a rectangle

ps_restore
Restore previously save context

ps_rotate
Sets rotation factor

ps_save
Save current context

ps_scale
Sets scaling factor

ps_setcolor
Sets current color

ps_setdash
Sets appearance of a dashed line

ps_setflat
Sets flatness

ps_setfont
Sets font to use for following output

ps_setgray
Sets gray value

ps_setlinecap
Sets appearance of line ends

ps_setlinejoin
Sets how contected lines are joined

ps_setlinewidth
Sets width of a line

ps_setmiterlimit
Sets the miter limit

ps_setoverprintmode
Sets overprint mode

ps_setpolydash
Sets appearance of a dashed line

ps_set_border_color
Sets color of border for annotations

ps_set_border_dash
Sets length of dashes for border of annotations

ps_set_border_style
Sets border style of annotations

ps_set_info
Sets information fields of document

ps_set_parameter
Sets certain parameters

ps_set_text_pos
Sets position for text output

ps_set_value
Sets certain values

ps_shading
Creates a shading for later use

ps_shading_pattern
Creates a pattern based on a shading

ps_shfill
Fills an area with a shading

ps_show
Output text

ps_show2
Output a text at current position

ps_show_boxed
Output text in a box

ps_show_xy
Output text at given position

ps_show_xy2
Output text at position

ps_stringwidth
Gets width of a string

ps_string_geometry
Gets geometry of a string

ps_stroke
Draws the current path

ps_symbol
Output a glyph

ps_symbol_name
Gets name of a glyph

ps_symbol_width
Gets width of a glyph

ps_translate
Sets translation

putenv
设置环境变量的值

px_close
Closes a paradox database

px_create_fp
Create a new paradox database

px_date2string
Converts a date into a string.

px_delete
Deletes resource of paradox database

px_delete_record
Deletes record from paradox database

px_get_field
Returns the specification of a single field

px_get_info
Return lots of information about a paradox file

px_get_parameter
Gets a parameter

px_get_record
Returns record of paradox database

px_get_schema
Returns the database schema

px_get_value
Gets a value

px_insert_record
Inserts record into paradox database

px_new
Create a new paradox object

px_numfields
Returns number of fields in a database

px_numrecords
Returns number of records in a database

px_open_fp
Open paradox database

px_put_record
Stores record into paradox database

px_retrieve_record
Returns record of paradox database

px_set_blob_file
Sets the file where blobs are read from

px_set_parameter
Sets a parameter

px_set_tablename
Sets the name of a table (deprecated)

px_set_targetencoding
Sets the encoding for character fields (deprecated)

px_set_value
Sets a value

px_timestamp2string
Converts the timestamp into a string.

px_update_record
Updates record in paradox database
q
函数
说明

quoted_printable_decode
将 quoted-printable 字符串转换为 8-bit 字符串

quoted_printable_encode
将 8-bit 字符串转换成 quoted-printable 字符串

quotemeta
转义元字符集
r
函数
说明

rad2deg
将弧度数转换为相应的角度数

radius_acct_open
Creates a Radius handle for accounting

radius_add_server
Adds a server

radius_auth_open
Creates a Radius handle for authentication

radius_close
Frees all ressources

radius_config
Causes the library to read the given configuration file

radius_create_request
Create accounting or authentication request

radius_cvt_addr
Converts raw data to IP-Address

radius_cvt_int
Converts raw data to integer

radius_cvt_string
Converts raw data to string

radius_demangle
Demangles data

radius_demangle_mppe_key
Derives mppe-keys from mangled data

radius_get_attr
Extracts an attribute

radius_get_tagged_attr_data
Extracts the data from a tagged attribute

radius_get_tagged_attr_tag
Extracts the tag from a tagged attribute

radius_get_vendor_attr
Extracts a vendor specific attribute

radius_put_addr
Attaches an IP address attribute

radius_put_attr
Attaches a binary attribute

radius_put_int
Attaches an integer attribute

radius_put_string
Attaches a string attribute

radius_put_vendor_addr
Attaches a vendor specific IP address attribute

radius_put_vendor_attr
Attaches a vendor specific binary attribute

radius_put_vendor_int
Attaches a vendor specific integer attribute

radius_put_vendor_string
Attaches a vendor specific string attribute

radius_request_authenticator
Returns the request authenticator

radius_salt_encrypt_attr
Salt-encrypts a value

radius_send_request
Sends the request and waites for a reply

radius_server_secret
Returns the shared secret

radius_strerror
Returns an error message

rand
产生一个随机整数

random_bytes
Generates cryptographically secure pseudo-random bytes

random_int
Generates cryptographically secure pseudo-random integers

range
创建一个包含指定范围单元的数组

rar_wrapper_cache_stats
Cache hits and misses for the URL wrapper

rawurldecode
对已编码的 URL 字符串进行解码

rawurlencode
按照 RFC 3986 对 URL 进行编码

readdir
从目录句柄中读取条目

readfile
输出一个文件

readgzfile
Output a gz-file

readline
读取一行

readline_add_history
添加一行命令行历史记录

readline_callback_handler_install
初始化一个 readline 回调接口,而后终端输出提示信息并当即返回

readline_callback_handler_remove
移除上一个安装的回调函数句柄而且恢复终端设置

readline_callback_read_char
当一个行被接收时读取一个字符而且通知 readline 调用回调函数

readline_clear_history
清除历史

readline_completion_function
注册一个完成函数

readline_info
获取/设置readline内部的各个变量

readline_list_history
获取命令历史列表

readline_on_new_line
通知readline将光标移动到新行

readline_read_history
读取命令历史

readline_redisplay
重绘显示区

readline_write_history
写入历史记录

readlink
返回符号链接指向的目标

read_exif_data
别名 exif_read_data

realpath
返回规范化的绝对路径名

realpath_cache_get
Get realpath cache entries

realpath_cache_size
Get realpath cache size

recode
别名 recode_string

recode_file
Recode from file to file according to recode request

recode_string
Recode a string according to a recode request

register_shutdown_function
Register a function for execution on shutdown

register_tick_function
Register a function for execution on each tick

rename
重命名一个文件或目录

rename_function
Renames orig_name to new_name in the global function table

reset
将数组的内部指针指向第一个单元

restore_error_handler
还原以前的错误处理函数

restore_exception_handler
恢复以前定义过的异常处理函数。

restore_include_path
还原 include_path 配置选项的值

rewind
倒回文件指针的位置

rewinddir
倒回目录句柄

rmdir
删除目录

round
对浮点数进行四舍五入

rpm_close
Closes an RPM file

rpm_get_tag
Retrieves a header tag from an RPM file

rpm_is_valid
Tests a filename for validity as an RPM file

rpm_open
Opens an RPM file

rpm_version
Returns a string representing the current version of the rpmreader extension

rrdc_disconnect
Close any outstanding connection to rrd caching daemon

rrd_create
Creates rrd database file

rrd_error
Gets latest error message.

rrd_fetch
Fetch the data for graph as array.

rrd_first
Gets the timestamp of the first sample from rrd file.

rrd_graph
Creates image from a data.

rrd_info
Gets information about rrd file

rrd_last
Gets unix timestamp of the last sample.

rrd_lastupdate
Gets information about last updated data.

rrd_restore
Restores the RRD file from XML dump.

rrd_tune
Tunes some RRD database file header options.

rrd_update
Updates the RRD database.

rrd_version
Gets information about underlying rrdtool library

rrd_xport
Exports the information about RRD database.

rsort
对数组逆向排序

rtrim
删除字符串末端的空白字符(或者其余字符)

runkit_class_adopt
Convert a base class to an inherited class, add ancestral methods when appropriate

runkit_class_emancipate
Convert an inherited class to a base class, removes any method whose scope is ancestral

runkit_constant_add
Similar to define(), but allows defining in class definitions as well

runkit_constant_redefine
Redefine an already defined constant

runkit_constant_remove
Remove/Delete an already defined constant

runkit_function_add
Add a new function, similar to create_function

runkit_function_copy
Copy a function to a new function name

runkit_function_redefine
Replace a function definition with a new implementation

runkit_function_remove
Remove a function definition

runkit_function_rename
Change a function’s name

runkit_import
Process a PHP file importing function and class definitions, overwriting where appropriate

runkit_lint
Check the PHP syntax of the specified php code

runkit_lint_file
Check the PHP syntax of the specified file

runkit_method_add
Dynamically adds a new method to a given class

runkit_method_copy
Copies a method from class to another

runkit_method_redefine
Dynamically changes the code of the given method

runkit_method_remove
Dynamically removes the given method

runkit_method_rename
Dynamically changes the name of the given method

runkit_return_value_used
Determines if the current functions return value will be used

Runkit_Sandbox
Runkit Sandbox Class – PHP Virtual Machine

runkit_sandbox_output_handler
Specify a function to capture and/or process output from a runkit sandbox

Runkit_Sandbox_Parent
Runkit Anti-Sandbox Class

runkit_superglobals
Return numerically indexed array of registered superglobals
s
函数
说明

scandir
列出指定路径中的文件和目录

sem_acquire
Acquire a semaphore

sem_get
Get a semaphore id

sem_release
Release a semaphore

sem_remove
Remove a semaphore

serialize
产生一个可存储的值的表示

session_abort
Discard session array changes and finish session

session_cache_expire
返回当前缓存的到期时间

session_cache_limiter
读取/设置缓存限制器

session_commit
session_write_close 的别名

session_decode
解码会话数据

session_destroy
销毁一个会话中的所有数据

session_encode
将当前会话数据编码为一个字符串

session_get_cookie_params
获取会话 cookie 参数

session_id
获取/设置当前会话 ID

session_is_registered
检查变量是否在会话中已经注册

session_module_name
获取/设置会话模块名称

session_name
读取/设置会话名称

session_pgsql_add_error
Increments error counts and sets last error message

session_pgsql_get_error
Returns number of errors and last error message

session_pgsql_get_field
Get custom field value

session_pgsql_reset
Reset connection to session database servers

session_pgsql_set_field
Set custom field value

session_pgsql_status
Get current save handler status

session_regenerate_id
使用新生成的会话 ID 更新现有会话 ID

session_register
Register one or more global variables with the current session

session_register_shutdown
关闭会话

session_reset
Re-initialize session array with original values

session_save_path
读取/设置当前会话的保存路径

session_set_cookie_params
设置会话 cookie 参数

session_set_save_handler
设置用户自定义会话存储函数

session_start
启动新会话或者重用现有会话

session_status
Returns the current session status

session_unregister
Unregister a global variable from the current session

session_unset
Free all session variables

session_write_close
Write session data and end session

setcookie
Send a cookie

setlocale
设置地区信息

setproctitle
Set the process title

setrawcookie
Send a cookie without urlencoding the cookie value

setthreadtitle
Set the thread title

settype
设置变量的类型

set_error_handler
设置一个用户定义的错误处理函数

set_exception_handler
设置一个用户定义的异常处理函数。

set_file_buffer
stream_set_write_buffer 的别名

set_include_path
设置 include_path 配置选项

set_magic_quotes_runtime
设置当前 magic_quotes_runtime 配置选项的激活状态

set_socket_blocking
别名 stream_set_blocking

set_time_limit
设置脚本最大执行时间

sha1
计算字符串的 sha1 散列值

sha1_file
计算文件的 sha1 散列值

shell_exec
经过 shell 环境执行命令,而且将完整的输出以字符串的方式返回。

shmop_close
Close shared memory block

shmop_delete
Delete shared memory block

shmop_open
Create or open shared memory block

shmop_read
Read data from shared memory block

shmop_size
Get size of shared memory block

shmop_write
Write data into shared memory block

shm_attach
Creates or open a shared memory segment

shm_detach
Disconnects from shared memory segment

shm_get_var
Returns a variable from shared memory

shm_has_var
Check whether a specific entry exists

shm_put_var
Inserts or updates a variable in shared memory

shm_remove
Removes shared memory from Unix systems

shm_remove_var
Removes a variable from shared memory

show_source
别名 highlight_file

shuffle
将数组打乱

signeurlpaiement
Obtain the payment url (needs 2 arguments)

similar_text
计算两个字符串的类似度

simplexml_import_dom
Get a SimpleXMLElement object from a DOM node.

simplexml_load_file
Interprets an XML file into an object

simplexml_load_string
Interprets a string of XML into an object

sin
正弦

sinh
双曲正弦

sizeof
count 的别名

sleep
延缓执行

snmp2_get
Fetch an SNMP object

snmp2_getnext
Fetch the SNMP object which follows the given object id

snmp2_real_walk
Return all objects including their respective object ID within the specified one

snmp2_set
Set the value of an SNMP object

snmp2_walk
Fetch all the SNMP objects from an agent

snmp3_get
Fetch an SNMP object

snmp3_getnext
Fetch the SNMP object which follows the given object id

snmp3_real_walk
Return all objects including their respective object ID within the specified one

snmp3_set
Set the value of an SNMP object

snmp3_walk
Fetch all the SNMP objects from an agent

snmpget
获取一个 SNMP 对象

snmpgetnext
Fetch the SNMP object which follows the given object id

snmprealwalk
返回指定的全部对象,包括它们各自的对象 ID

snmpset
设置一个 SNMP 对象

snmpwalk
从代理返回全部的 SNMP 对象

snmpwalkoid
查询关于网络实体的信息树

snmp_get_quick_print
返回 UCD 库中 quick_print 设置的当前值

snmp_get_valueretrieval
Return the method how the SNMP values will be returned

snmp_read_mib
Reads and parses a MIB file into the active MIB tree

snmp_set_enum_print
Return all values that are enums with their enum value instead of the raw integer

snmp_set_oid_numeric_print
Set the OID output format

snmp_set_oid_output_format
Set the OID output format

snmp_set_quick_print
设置 UCD SNMP 库中 quick_print 的值

snmp_set_valueretrieval
Specify the method how the SNMP values will be returned

socket_accept
Accepts a connection on a socket

socket_bind
给套接字绑定名字

socket_clear_error
清除套接字或者最后的错误代码上的错误

socket_close
关闭套接字资源

socket_cmsg_space
Calculate message buffer size

socket_connect
开启一个套接字链接

socket_create
建立一个套接字(通信节点)

socket_create_listen
Opens a socket on port to accept connections

socket_create_pair
Creates a pair of indistinguishable sockets and stores them in an array

socket_getpeername
Queries the remote side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type

socket_getsockname
Queries the local side of the given socket which may either result in host/port or in a Unix filesystem path, dependent on its type

socket_get_option
Gets socket options for the socket

socket_get_status
别名 stream_get_meta_data

socket_import_stream
Import a stream

socket_last_error
Returns the last error on the socket

socket_listen
Listens for a connection on a socket

socket_read
Reads a maximum of length bytes from a socket

socket_recv
Receives data from a connected socket

socket_recvfrom
Receives data from a socket whether or not it is connection-oriented

socket_recvmsg
Read a message

socket_select
Runs the select() system call on the given arrays of sockets with a specified timeout

socket_send
Sends data to a connected socket

socket_sendmsg
Send a message

socket_sendto
Sends a message to a socket, whether it is connected or not

socket_set_block
Sets blocking mode on a socket resource

socket_set_blocking
别名 stream_set_blocking

socket_set_nonblock
Sets nonblocking mode for file descriptor fd

socket_set_option
Sets socket options for the socket

socket_set_timeout
别名 stream_set_timeout

socket_shutdown
Shuts down a socket for receiving, sending, or both

socket_strerror
Return a string describing a socket error

socket_write
Write to a socket

solr_get_version
返回当前Solr扩展的版本

sort
对数组排序

soundex
Calculate the soundex key of a string

split
用正则表达式将字符串分割到数组中

spliti
用正则表达式不区分大小写将字符串分割到数组中

spl_autoload
__autoload()函数的默认实现

spl_autoload_call
尝试调用全部已注册的__autoload()函数来装载请求类

spl_autoload_extensions
注册并返回spl_autoload函数使用的默认文件扩展名。

spl_autoload_functions
返回全部已注册的__autoload()函数。

spl_autoload_register
注册给定的函数做为 __autoload 的实现

spl_autoload_unregister
注销已注册的__autoload()函数

spl_classes
返回全部可用的SPL类

spl_object_hash
返回指定对象的hash id

sprintf
Return a formatted string

SQL acceptable by 4D
PDO and SQL 4D

sqlite_array_query
Execute a query against a given database and returns an array

sqlite_busy_timeout
Set busy timeout duration, or disable busy handlers

sqlite_changes
Returns the number of rows that were changed by the most recent SQL statement

sqlite_close
Closes an open SQLite database

sqlite_column
Fetches a column from the current row of a result set

sqlite_create_aggregate
Register an aggregating UDF for use in SQL statements

sqlite_create_function
Registers a “regular” User Defined Function for use in SQL statements

sqlite_current
Fetches the current row from a result set as an array

sqlite_error_string
Returns the textual description of an error code

sqlite_escape_string
Escapes a string for use as a query parameter

sqlite_exec
Executes a result-less query against a given database

sqlite_factory
Opens an SQLite database and returns an SQLiteDatabase object

sqlite_fetch_all
Fetches all rows from a result set as an array of arrays

sqlite_fetch_array
Fetches the next row from a result set as an array

sqlite_fetch_column_types
Return an array of column types from a particular table

sqlite_fetch_object
Fetches the next row from a result set as an object

sqlite_fetch_single
Fetches the first column of a result set as a string

sqlite_fetch_string
别名 sqlite_fetch_single

sqlite_field_name
Returns the name of a particular field

sqlite_has_more
Finds whether or not more rows are available

sqlite_has_prev
Returns whether or not a previous row is available

sqlite_key
Returns the current row index

sqlite_last_error
Returns the error code of the last error for a database

sqlite_last_insert_rowid
Returns the rowid of the most recently inserted row

sqlite_libencoding
Returns the encoding of the linked SQLite library

sqlite_libversion
Returns the version of the linked SQLite library

sqlite_next
Seek to the next row number

sqlite_num_fields
Returns the number of fields in a result set

sqlite_num_rows
Returns the number of rows in a buffered result set

sqlite_open
Opens an SQLite database and create the database if it does not exist

sqlite_popen
Opens a persistent handle to an SQLite database and create the database if it does not exist

sqlite_prev
Seek to the previous row number of a result set

sqlite_query
Executes a query against a given database and returns a result handle

sqlite_rewind
Seek to the first row number

sqlite_seek
Seek to a particular row number of a buffered result set

sqlite_single_query
Executes a query and returns either an array for one single column or the value of the first row

sqlite_udf_decode_binary
Decode binary data passed as parameters to an UDF

sqlite_udf_encode_binary
Encode binary data before returning it from an UDF

sqlite_unbuffered_query
Execute a query that does not prefetch and buffer all data

sqlite_valid
Returns whether more rows are available

sqlsrv_begin_transaction
Begins a database transaction

sqlsrv_cancel
Cancels a statement

sqlsrv_client_info
Returns information about the client and specified connection

sqlsrv_close
Closes an open connection and releases resourses associated with the connection

sqlsrv_commit
Commits a transaction that was begun with sqlsrv_begin_transaction

sqlsrv_configure
Changes the driver error handling and logging configurations

sqlsrv_connect
Opens a connection to a Microsoft SQL Server database

sqlsrv_errors
Returns error and warning information about the last SQLSRV operation performed

sqlsrv_execute
Executes a statement prepared with sqlsrv_prepare

sqlsrv_fetch
Makes the next row in a result set available for reading

sqlsrv_fetch_array
Returns a row as an array

sqlsrv_fetch_object
Retrieves the next row of data in a result set as an object

sqlsrv_field_metadata
Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare or sqlsrv_query

sqlsrv_free_stmt
Frees all resources for the specified statement

sqlsrv_get_config
Returns the value of the specified configuration setting

sqlsrv_get_field
Gets field data from the currently selected row

sqlsrv_has_rows
Indicates whether the specified statement has rows

sqlsrv_next_result
Makes the next result of the specified statement active

sqlsrv_num_fields
Retrieves the number of fields (columns) on a statement

sqlsrv_num_rows
Retrieves the number of rows in a result set

sqlsrv_prepare
Prepares a query for execution

sqlsrv_query
Prepares and executes a query.

sqlsrv_rollback
Rolls back a transaction that was begun with sqlsrv_begin_transaction

sqlsrv_rows_affected
Returns the number of rows modified by the last INSERT, UPDATE, or DELETE query executed

sqlsrv_send_stream_data
Sends data from parameter streams to the server

sqlsrv_server_info
Returns information about the server

SQL types with PDO_4D and PHP
SQL types with PDO_4D and PHP

sql_regcase
产生用于不区分大小的匹配的正则表达式

sqrt
平方根

srand
播下随机数发生器种子

sscanf
根据指定格式解析输入的字符

ssdeep_fuzzy_compare
Calculates the match score between two fuzzy hash signatures

ssdeep_fuzzy_hash
Create a fuzzy hash from a string

ssdeep_fuzzy_hash_filename
Create a fuzzy hash from a file

ssh2_auth_agent
Authenticate over SSH using the ssh agent

ssh2_auth_hostbased_file
Authenticate using a public hostkey

ssh2_auth_none
Authenticate as “none”

ssh2_auth_password
Authenticate over SSH using a plain password

ssh2_auth_pubkey_file
Authenticate using a public key

ssh2_connect
Connect to an SSH server

ssh2_exec
Execute a command on a remote server

ssh2_fetch_stream
Fetch an extended data stream

ssh2_fingerprint
Retrieve fingerprint of remote server

ssh2_methods_negotiated
Return list of negotiated methods

ssh2_publickey_add
Add an authorized publickey

ssh2_publickey_init
Initialize Publickey subsystem

ssh2_publickey_list
List currently authorized publickeys

ssh2_publickey_remove
Remove an authorized publickey

ssh2_scp_recv
Request a file via SCP

ssh2_scp_send
Send a file via SCP

ssh2_sftp
Initialize SFTP subsystem

ssh2_sftp_chmod
Changes file mode

ssh2_sftp_lstat
Stat a symbolic link

ssh2_sftp_mkdir
Create a directory

ssh2_sftp_readlink
Return the target of a symbolic link

ssh2_sftp_realpath
Resolve the realpath of a provided path string

ssh2_sftp_rename
Rename a remote file

ssh2_sftp_rmdir
Remove a directory

ssh2_sftp_stat
Stat a file on a remote filesystem

ssh2_sftp_symlink
Create a symlink

ssh2_sftp_unlink
Delete a file

ssh2_shell
Request an interactive shell

ssh2_tunnel
Open a tunnel through a remote server

SSL 上下文选项
SSL 上下文选项清单

stat
给出文件的信息

stats_absolute_deviation
Returns the absolute deviation of an array of values

stats_cdf_beta
CDF function for BETA Distribution. Calculates any one parameter of the beta distribution given values for the others.

stats_cdf_binomial
Calculates any one parameter of the binomial distribution given values for the others.

stats_cdf_cauchy
Not documented

stats_cdf_chisquare
Calculates any one parameter of the chi-square distribution given values for the others.

stats_cdf_exponential
Not documented

stats_cdf_f
Calculates any one parameter of the F distribution given values for the others.

stats_cdf_gamma
Calculates any one parameter of the gamma distribution given values for the others.

stats_cdf_laplace
Not documented

stats_cdf_logistic
Not documented

stats_cdf_negative_binomial
Calculates any one parameter of the negative binomial distribution given values for the others.

stats_cdf_noncentral_chisquare
Calculates any one parameter of the non-central chi-square distribution given values for the others.

stats_cdf_noncentral_f
Calculates any one parameter of the Non-central F distribution given values for the others.

stats_cdf_poisson
Calculates any one parameter of the Poisson distribution given values for the others.

stats_cdf_t
Calculates any one parameter of the T distribution given values for the others.

stats_cdf_uniform
Not documented

stats_cdf_weibull
Not documented

stats_covariance
Computes the covariance of two data sets

stats_dens_beta
Not documented

stats_dens_cauchy
Not documented

stats_dens_chisquare
Not documented

stats_dens_exponential
Not documented

stats_dens_f
说明

stats_dens_gamma
Not documented

stats_dens_laplace
Not documented

stats_dens_logistic
Not documented

stats_dens_negative_binomial
Not documented

stats_dens_normal
Not documented

stats_dens_pmf_binomial
Not documented

stats_dens_pmf_hypergeometric
说明

stats_dens_pmf_poisson
Not documented

stats_dens_t
Not documented

stats_dens_weibull
Not documented

stats_den_uniform
Not documented

stats_harmonic_mean
Returns the harmonic mean of an array of values

stats_kurtosis
Computes the kurtosis of the data in the array

stats_rand_gen_beta
Generates beta random deviate

stats_rand_gen_chisquare
Generates random deviate from the distribution of a chisquare with “df” degrees of freedom random variable.

stats_rand_gen_exponential
Generates a single random deviate from an exponential distribution with mean “av”

stats_rand_gen_f
Generates a random deviate

stats_rand_gen_funiform
Generates uniform float between low (exclusive) and high (exclusive)

stats_rand_gen_gamma
Generates random deviates from a gamma distribution

stats_rand_gen_ibinomial
Generates a single random deviate from a binomial distribution whose number of trials is “n” (n >= 0) and whose probability of an event in each trial is “pp” ([0;1]). Method : algorithm BTPE

stats_rand_gen_ibinomial_negative
Generates a single random deviate from a negative binomial distribution. Arguments : n

stats_rand_gen_int
Generates random integer between 1 and 2147483562

stats_rand_gen_ipoisson
Generates a single random deviate from a Poisson distribution with mean “mu” (mu >= 0.0).

stats_rand_gen_iuniform
Generates integer uniformly distributed between LOW (inclusive) and HIGH (inclusive)

stats_rand_gen_noncenral_chisquare
Generates random deviate from the distribution of a noncentral chisquare with “df” degrees of freedom and noncentrality parameter “xnonc”. d must be >= 1.0, xnonc must >= 0.0

stats_rand_gen_noncentral_f
Generates a random deviate from the noncentral F (variance ratio) distribution with “dfn” degrees of freedom in the numerator, and “dfd” degrees of freedom in the denominator, and noncentrality parameter “xnonc”. Method : directly generates ratio of noncentral numerator chisquare variate to central denominator chisquare variate.

stats_rand_gen_noncentral_t
Generates a single random deviate from a noncentral T distribution

stats_rand_gen_normal
Generates a single random deviate from a normal distribution with mean, av, and standard deviation, sd (sd >= 0). Method : Renames SNORM from TOMS as slightly modified by BWB to use RANF instead of SUNIF.

stats_rand_gen_t
Generates a single random deviate from a T distribution

stats_rand_get_seeds
Not documented

stats_rand_phrase_to_seeds
generate two seeds for the RGN random number generator

stats_rand_ranf
Returns a random floating point number from a uniform distribution over 0

stats_rand_setall
Not documented

stats_skew
Computes the skewness of the data in the array

stats_standard_deviation
Returns the standard deviation

stats_stat_binomial_coef
Not documented

stats_stat_correlation
Not documented

stats_stat_gennch
Not documented

stats_stat_independent_t
Not documented

stats_stat_innerproduct
说明

stats_stat_noncentral_t
Calculates any one parameter of the noncentral t distribution give values for the others.

stats_stat_paired_t
Not documented

stats_stat_percentile
Not documented

stats_stat_powersum
Not documented

stats_variance
Returns the population variance

stomp_connect_error
Returns a string description of the last connect error

stomp_version
Gets the current stomp extension version

strcasecmp
二进制安全比较字符串(不区分大小写)

strchr
别名 strstr

strcmp
二进制安全字符串比较

strcoll
基于区域设置的字符串比较

strcspn
获取不匹配遮罩的起始子字符串的长度

stream_bucket_append
Append bucket to brigade

stream_bucket_make_writeable
Return a bucket object from the brigade for operating on

stream_bucket_new
Create a new bucket for use on the current stream

stream_bucket_prepend
Prepend bucket to brigade

stream_context_create
建立资源流上下文

stream_context_get_default
Retrieve the default stream context

stream_context_get_options
获取资源流/数据包/上下文的参数

stream_context_get_params
Retrieves parameters from a context

stream_context_set_default
Set the default stream context

stream_context_set_option
对资源流、数据包或者上下文设置参数

stream_context_set_params
Set parameters for a stream/wrapper/context

stream_copy_to_stream
Copies data from one stream to another

stream_encoding
设置数据流的字符集

stream_filter_append
Attach a filter to a stream

stream_filter_prepend
Attach a filter to a stream

stream_filter_register
Register a user defined stream filter

stream_filter_remove
从资源流里移除某个过滤器

stream_get_contents
读取资源流到一个字符串

stream_get_filters
获取已注册的数据流过滤器列表

stream_get_line
从资源流里读取一行直到给定的定界符

stream_get_meta_data
从封装协议文件指针中取得报头/元数据

stream_get_transports
获取已注册的套接字传输协议列表

stream_get_wrappers
获取已注册的流类型

stream_is_local
Checks if a stream is a local stream

stream_notification_callback
A callback function for the notification context parameter

stream_register_wrapper
注册一个用 PHP 类实现的 URL 封装协议

stream_resolve_include_path
Resolve filename against the include path

stream_select
Runs the equivalent of the select() system call on the given arrays of streams with a timeout specified by tv_sec and tv_usec

stream_set_blocking
为资源流设置阻塞或者阻塞模式

stream_set_chunk_size
设置资源流区块大小

stream_set_read_buffer
Set read file buffering on the given stream

stream_set_timeout
Set timeout period on a stream

stream_set_write_buffer
Sets write file buffering on the given stream

stream_socket_accept
接受由 stream_socket_server 建立的套接字链接

stream_socket_client
Open Internet or Unix domain socket connection

stream_socket_enable_crypto
Turns encryption on/off on an already connected socket

stream_socket_get_name
获取本地或者远程的套接字名称

stream_socket_pair
建立一对彻底同样的网络套接字链接流

stream_socket_recvfrom
Receives data from a socket, connected or not

stream_socket_sendto
Sends a message to a socket, whether it is connected or not

stream_socket_server
Create an Internet or Unix domain server socket

stream_socket_shutdown
Shutdown a full-duplex connection

stream_supports_lock
Tells whether the stream supports locking.

stream_wrapper_restore
Restores a previously unregistered built-in wrapper

stream_wrapper_unregister
Unregister a URL wrapper

strftime
根据区域设置格式化本地时间/日期

stripcslashes
反引用一个使用 addcslashes 转义的字符串

stripos
查找字符串首次出现的位置(不区分大小写)

stripslashes
反引用一个引用字符串

strip_tags
从字符串中去除 HTML 和 PHP 标记

stristr
strstr 函数的忽略大小写版本

strlen
获取字符串长度

strnatcasecmp
使用“天然顺序”算法比较字符串(不区分大小写)

strnatcmp
使用天然排序算法比较字符串

strncasecmp
二进制安全比较字符串开头的若干个字符(不区分大小写)

strncmp
二进制安全比较字符串开头的若干个字符

strpbrk
在字符串中查找一组字符的任何一个字符

strpos
查找字符串首次出现的位置

strptime
解析由 strftime 生成的日期/时间

strrchr
查找指定字符在字符串中的最后一次出现

strrev
反转字符串

strripos
计算指定字符串在目标字符串中最后一次出现的位置(不区分大小写)

strrpos
计算指定字符串在目标字符串中最后一次出现的位置

strspn
计算字符串中所有字符都存在于指定字符集合中的第一段子串的长度。

strstr
查找字符串的首次出现

strtok
标记分割字符串

strtolower
将字符串转化为小写

strtotime
将任何英文文本的日期时间描述解析为 Unix 时间戳

strtoupper
将字符串转化为大写

strtr
转换指定字符

strval
获取变量的字符串值

str_getcsv
解析 CSV 字符串为一个数组

str_ireplace
str_replace 的忽略大小写版本

str_pad
使用另外一个字符串填充字符串为指定长度

str_repeat
重复一个字符串

str_replace
子字符串替换

str_rot13
对字符串执行 ROT13 转换

str_shuffle
随机打乱一个字符串

str_split
将字符串转换为数组

str_word_count
返回字符串中单词的使用状况

substr
返回字符串的子串

substr_compare
二进制安全比较字符串(从偏移位置比较指定长度)

substr_count
计算字串出现的次数

substr_replace
替换字符串的子串

svn_add
计划在工做目录添加项

svn_auth_get_parameter
Retrieves authentication parameter

svn_auth_set_parameter
Sets an authentication parameter

svn_blame
Get the SVN blame for a file

svn_cat
Returns the contents of a file in a repository

svn_checkout
Checks out a working copy from the repository

svn_cleanup
Recursively cleanup a working copy directory, finishing incomplete operations and removing locks

svn_client_version
Returns the version of the SVN client libraries

svn_commit
Sends changes from the local working copy to the repository

svn_delete
Delete items from a working copy or repository.

svn_diff
Recursively diffs two paths

svn_export
Export the contents of a SVN directory

svn_fs_abort_txn
Abort a transaction, returns true if everything is okay, false otherwise

svn_fs_apply_text
Creates and returns a stream that will be used to replace

svn_fs_begin_txn2
Create a new transaction

svn_fs_change_node_prop
Return true if everything is ok, false otherwise

svn_fs_check_path
Determines what kind of item lives at path in a given repository fsroot

svn_fs_contents_changed
Return true if content is different, false otherwise

svn_fs_copy
Copies a file or a directory, returns true if all is ok, false otherwise

svn_fs_delete
Deletes a file or a directory, return true if all is ok, false otherwise

svn_fs_dir_entries
Enumerates the directory entries under path; returns a hash of dir names to file type

svn_fs_file_contents
Returns a stream to access the contents of a file from a given version of the fs

svn_fs_file_length
Returns the length of a file from a given version of the fs

svn_fs_is_dir
Return true if the path points to a directory, false otherwise

svn_fs_is_file
Return true if the path points to a file, false otherwise

svn_fs_make_dir
Creates a new empty directory, returns true if all is ok, false otherwise

svn_fs_make_file
Creates a new empty file, returns true if all is ok, false otherwise

svn_fs_node_created_rev
Returns the revision in which path under fsroot was created

svn_fs_node_prop
Returns the value of a property for a node

svn_fs_props_changed
Return true if props are different, false otherwise

svn_fs_revision_prop
Fetches the value of a named property

svn_fs_revision_root
Get a handle on a specific version of the repository root

svn_fs_txn_root
Creates and returns a transaction root

svn_fs_youngest_rev
Returns the number of the youngest revision in the filesystem

svn_import
Imports an unversioned path into a repository

svn_log
Returns the commit log messages of a repository URL

svn_ls
Returns list of directory contents in repository URL, optionally at revision number

svn_mkdir
Creates a directory in a working copy or repository

svn_repos_create
Create a new subversion repository at path

svn_repos_fs
Gets a handle on the filesystem for a repository

svn_repos_fs_begin_txn_for_commit
Create a new transaction

svn_repos_fs_commit_txn
Commits a transaction and returns the new revision

svn_repos_hotcopy
Make a hot-copy of the repos at repospath; copy it to destpath

svn_repos_open
Open a shared lock on a repository.

svn_repos_recover
Run recovery procedures on the repository located at path.

svn_revert
Revert changes to the working copy

svn_status
Returns the status of working copy files and directories

svn_update
Update working copy

sybase_affected_rows
Gets number of affected rows in last query

sybase_close
Closes a Sybase connection

sybase_connect
Opens a Sybase server connection

sybase_data_seek
Moves internal row pointer

sybase_deadlock_retry_count
Sets the deadlock retry count

sybase_fetch_array
Fetch row as array

sybase_fetch_assoc
Fetch a result row as an associative array

sybase_fetch_field
Get field information from a result

sybase_fetch_object
Fetch a row as an object

sybase_fetch_row
Get a result row as an enumerated array

sybase_field_seek
Sets field offset

sybase_free_result
Frees result memory

sybase_get_last_message
Returns the last message from the server

sybase_min_client_severity
Sets minimum client severity

sybase_min_error_severity
Sets minimum error severity

sybase_min_message_severity
Sets minimum message severity

sybase_min_server_severity
Sets minimum server severity

sybase_num_fields
Gets the number of fields in a result set

sybase_num_rows
Get number of rows in a result set

sybase_pconnect
Open persistent Sybase connection

sybase_query
Sends a Sybase query

sybase_result
Get result data

sybase_select_db
Selects a Sybase database

sybase_set_message_handler
Sets the handler called when a server message is raised

sybase_unbuffered_query
Send a Sybase query and do not block

symlink
创建符号链接

syslog
Generate a system log message

system
执行外部程序,而且显示输出

sys_getloadavg
获取系统的负载(load average)

sys_get_temp_dir
返回用于临时文件的目录
t
函数
说明

taint
Taint a string

tan
正切

tanh
双曲正切

tcpwrap_check
Performs a tcpwrap check

tempnam
创建一个具备惟一文件名的文件

textdomain
Sets the default domain

tidy_access_count
Returns the Number of Tidy accessibility warnings encountered for specified document

tidy_config_count
Returns the Number of Tidy configuration errors encountered for specified document

tidy_error_count
Returns the Number of Tidy errors encountered for specified document

tidy_get_output
Return a string representing the parsed tidy markup

tidy_load_config
Load an ASCII Tidy configuration file with the specified encoding

tidy_reset_config
Restore Tidy configuration to default values

tidy_save_config
Save current settings to named file

tidy_setopt
Updates the configuration settings for the specified tidy document

tidy_set_encoding
Set the input/output character encoding for parsing markup

tidy_warning_count
Returns the Number of Tidy warnings encountered for specified document

time
返回当前的 Unix 时间戳

timezone_name_from_abbr
Returns the timezone name from abbreviation

timezone_version_get
Gets the version of the timezonedb

time_nanosleep
延缓执行若干秒和纳秒

time_sleep_until
使脚本睡眠到指定的时间为止。

tmpfile
创建一个临时文件

token_get_all
将提供的源码按 PHP 标记进行分割

token_name
获取提供的 PHP 解析器代号的符号名称

touch
设定文件的访问和修改时间

trader_acos
Vector Trigonometric ACos

trader_ad
Chaikin A/D Line

trader_add
Vector Arithmetic Add

trader_adosc
Chaikin A/D Oscillator

trader_adx
Average Directional Movement Index

trader_adxr
Average Directional Movement Index Rating

trader_apo
Absolute Price Oscillator

trader_aroon
Aroon

trader_aroonosc
Aroon Oscillator

trader_asin
Vector Trigonometric ASin

trader_atan
Vector Trigonometric ATan

trader_atr
Average True Range

trader_avgprice
Average Price

trader_bbands
Bollinger Bands

trader_beta
Beta

trader_bop
Balance Of Power

trader_cci
Commodity Channel Index

trader_cdl2crows
Two Crows

trader_cdl3blackcrows
Three Black Crows

trader_cdl3inside
Three Inside Up/Down

trader_cdl3linestrike
Three-Line Strike

trader_cdl3outside
Three Outside Up/Down

trader_cdl3starsinsouth
Three Stars In The South

trader_cdl3whitesoldiers
Three Advancing White Soldiers

trader_cdlabandonedbaby
Abandoned Baby

trader_cdladvanceblock
Advance Block

trader_cdlbelthold
Belt-hold

trader_cdlbreakaway
Breakaway

trader_cdlclosingmarubozu
Closing Marubozu

trader_cdlconcealbabyswall
Concealing Baby Swallow

trader_cdlcounterattack
Counterattack

trader_cdldarkcloudcover
Dark Cloud Cover

trader_cdldoji
Doji

trader_cdldojistar
Doji Star

trader_cdldragonflydoji
Dragonfly Doji

trader_cdlengulfing
Engulfing Pattern

trader_cdleveningdojistar
Evening Doji Star

trader_cdleveningstar
Evening Star

trader_cdlgapsidesidewhite
Up/Down-gap side-by-side white lines

trader_cdlgravestonedoji
Gravestone Doji

trader_cdlhammer
Hammer

trader_cdlhangingman
Hanging Man

trader_cdlharami
Harami Pattern

trader_cdlharamicross
Harami Cross Pattern

trader_cdlhighwave
High-Wave Candle

trader_cdlhikkake
Hikkake Pattern

trader_cdlhikkakemod
Modified Hikkake Pattern

trader_cdlhomingpigeon
Homing Pigeon

trader_cdlidentical3crows
Identical Three Crows

trader_cdlinneck
In-Neck Pattern

trader_cdlinvertedhammer
Inverted Hammer

trader_cdlkicking
Kicking

trader_cdlkickingbylength
Kicking

trader_cdlladderbottom
Ladder Bottom

trader_cdllongleggeddoji
Long Legged Doji

trader_cdllongline
Long Line Candle

trader_cdlmarubozu
Marubozu

trader_cdlmatchinglow
Matching Low

trader_cdlmathold
Mat Hold

trader_cdlmorningdojistar
Morning Doji Star

trader_cdlmorningstar
Morning Star

trader_cdlonneck
On-Neck Pattern

trader_cdlpiercing
Piercing Pattern

trader_cdlrickshawman
Rickshaw Man

trader_cdlrisefall3methods
Rising/Falling Three Methods

trader_cdlseparatinglines
Separating Lines

trader_cdlshootingstar
Shooting Star

trader_cdlshortline
Short Line Candle

trader_cdlspinningtop
Spinning Top

trader_cdlstalledpattern
Stalled Pattern

trader_cdlsticksandwich
Stick Sandwich

trader_cdltakuri
Takuri (Dragonfly Doji with very long lower shadow)

trader_cdltasukigap
Tasuki Gap

trader_cdlthrusting
Thrusting Pattern

trader_cdltristar
Tristar Pattern

trader_cdlunique3river
Unique 3 River

trader_cdlupsidegap2crows
Upside Gap Two Crows

trader_cdlxsidegap3methods
Upside/Downside Gap Three Methods

trader_ceil
Vector Ceil

trader_cmo
Chande Momentum Oscillator

trader_correl
Pearson’s Correlation Coefficient (r)

trader_cos
Vector Trigonometric Cos

trader_cosh
Vector Trigonometric Cosh

trader_dema
Double Exponential Moving Average

trader_div
Vector Arithmetic Div

trader_dx
Directional Movement Index

trader_ema
Exponential Moving Average

trader_errno
Get error code

trader_exp
Vector Arithmetic Exp

trader_floor
Vector Floor

trader_get_compat
Get compatibility mode

trader_get_unstable_period
Get unstable period

trader_ht_dcperiod
Hilbert Transform

trader_ht_dcphase
Hilbert Transform

trader_ht_phasor
Hilbert Transform

trader_ht_sine
Hilbert Transform

trader_ht_trendline
Hilbert Transform

trader_ht_trendmode
Hilbert Transform

trader_kama
Kaufman Adaptive Moving Average

trader_linearreg
Linear Regression

trader_linearreg_angle
Linear Regression Angle

trader_linearreg_intercept
Linear Regression Intercept

trader_linearreg_slope
Linear Regression Slope

trader_ln
Vector Log Natural

trader_log10
Vector Log10

trader_ma
Moving average

trader_macd
Moving Average Convergence/Divergence

trader_macdext
MACD with controllable MA type

trader_macdfix
Moving Average Convergence/Divergence Fix 12/26

trader_mama
MESA Adaptive Moving Average

trader_mavp
Moving average with variable period

trader_max
Highest value over a specified period

trader_maxindex
Index of highest value over a specified period

trader_medprice
Median Price

trader_mfi
Money Flow Index

trader_midpoint
MidPoint over period

trader_midprice
Midpoint Price over period

trader_min
Lowest value over a specified period

trader_minindex
Index of lowest value over a specified period

trader_minmax
Lowest and highest values over a specified period

trader_minmaxindex
Indexes of lowest and highest values over a specified period

trader_minus_di
Minus Directional Indicator

trader_minus_dm
Minus Directional Movement

trader_mom
Momentum

trader_mult
Vector Arithmetic Mult

trader_natr
Normalized Average True Range

trader_obv
On Balance Volume

trader_plus_di
Plus Directional Indicator

trader_plus_dm
Plus Directional Movement

trader_ppo
Percentage Price Oscillator

trader_roc
Rate of change : ((price/prevPrice)-1)*100

trader_rocp
Rate of change Percentage: (price-prevPrice)/prevPrice

trader_rocr
Rate of change ratio: (price/prevPrice)

trader_rocr100
Rate of change ratio 100 scale: (price/prevPrice)*100

trader_rsi
Relative Strength Index

trader_sar
Parabolic SAR

trader_sarext
Parabolic SAR

trader_set_compat
Set compatibility mode

trader_set_unstable_period
Set unstable period

trader_sin
Vector Trigonometric Sin

trader_sinh
Vector Trigonometric Sinh

trader_sma
Simple Moving Average

trader_sqrt
Vector Square Root

trader_stddev
Standard Deviation

trader_stoch
Stochastic

trader_stochf
Stochastic Fast

trader_stochrsi
Stochastic Relative Strength Index

trader_sub
Vector Arithmetic Subtraction

trader_sum
Summation

trader_t3
Triple Exponential Moving Average (T3)

trader_tan
Vector Trigonometric Tan

trader_tanh
Vector Trigonometric Tanh

trader_tema
Triple Exponential Moving Average

trader_trange
True Range

trader_trima
Triangular Moving Average

trader_trix
1-day Rate-Of-Change (ROC) of a Triple Smooth EMA

trader_tsf
Time Series Forecast

trader_typprice
Typical Price

trader_ultosc
Ultimate Oscillator

trader_var
Variance

trader_wclprice
Weighted Close Price

trader_willr
Williams’ %R

trader_wma
Weighted Moving Average

trait_exists
检查指定的 trait 是否存在

trigger_error
产生一个用户级别的 error/warning/notice 信息

trim
去除字符串首尾处的空白字符(或者其余字符)
u
函数
说明

uasort
使用用户自定义的比较函数对数组中的值进行排序并保持索引关联

ucfirst
将字符串的首字母转换为大写

ucwords
将字符串中每一个单词的首字母转换为大写

udm_add_search_limit
Add various search limits

udm_alloc_agent
Allocate mnoGoSearch session

udm_alloc_agent_array
Allocate mnoGoSearch session

udm_api_version
Get mnoGoSearch API version

udm_cat_list
Get all the categories on the same level with the current one

udm_cat_path
Get the path to the current category

udm_check_charset
Check if the given charset is known to mnogosearch

udm_clear_search_limits
Clear all mnoGoSearch search restrictions

udm_crc32
Return CRC32 checksum of given string

udm_errno
Get mnoGoSearch error number

udm_error
Get mnoGoSearch error message

udm_find
Perform search

udm_free_agent
Free mnoGoSearch session

udm_free_ispell_data
Free memory allocated for ispell data

udm_free_res
Free mnoGoSearch result

udm_get_doc_count
Get total number of documents in database

udm_get_res_field
Fetch a result field

udm_get_res_param
Get mnoGoSearch result parameters

udm_hash32
Return Hash32 checksum of given string

udm_load_ispell_data
Load ispell data

udm_set_agent_param
Set mnoGoSearch agent session parameters

uksort
使用用户自定义的比较函数对数组中的键名进行排序

umask
改变当前的 umask

uniqid
生成一个惟一ID

unixtojd
转变Unix时间戳为Julian Day计数

unlink
删除文件

unpack
Unpack data from binary string

unregister_tick_function
De-register a function for execution on each tick

unserialize
从已存储的表示中建立 PHP 的值

unset
释放给定的变量

untaint
Untaint strings

uopz_backup
Backup a function

uopz_compose
Compose a class

uopz_copy
Copy a function

uopz_delete
Delete a function

uopz_extend
Extend a class at runtime

uopz_flags
Get or set flags on function or class

uopz_function
Creates a function at runtime

uopz_implement
Implements an interface at runtime

uopz_overload
Overload a VM opcode

uopz_redefine
Redefine a constant

uopz_rename
Rename a function at runtime

uopz_restore
Restore a previously backed up function

uopz_undefine
Undefine a constant

urldecode
解码已编码的 URL 字符串

urlencode
编码 URL 字符串

user_error
trigger_error 的别名

use_soap_error_handler
Set whether to use the SOAP error handler

usleep
以指定的微秒数延迟执行

usort
使用用户自定义的比较函数对数组中的值进行排序

utf8_decode
将用 UTF-8 方式编码的 ISO-8859-1 字符串转换成单字节的 ISO-8859-1 字符串。

utf8_encode
将 ISO-8859-1 编码的字符串转换为 UTF-8 编码
v
函数
说明

variant_abs
Returns the absolute value of a variant

variant_add
“Adds” two variant values together and returns the result

variant_and
Performs a bitwise AND operation between two variants

variant_cast
Convert a variant into a new variant object of another type

variant_cat
concatenates two variant values together and returns the result

variant_cmp
Compares two variants

variant_date_from_timestamp
Returns a variant date representation of a Unix timestamp

variant_date_to_timestamp
Converts a variant date/time value to Unix timestamp

variant_div
Returns the result from dividing two variants

variant_eqv
Performs a bitwise equivalence on two variants

variant_fix
Returns the integer portion of a variant

variant_get_type
Returns the type of a variant object

variant_idiv
Converts variants to integers and then returns the result from dividing them

variant_imp
Performs a bitwise implication on two variants

variant_int
Returns the integer portion of a variant

variant_mod
Divides two variants and returns only the remainder

variant_mul
Multiplies the values of the two variants

variant_neg
Performs logical negation on a variant

variant_not
Performs bitwise not negation on a variant

variant_or
Performs a logical disjunction on two variants

variant_pow
Returns the result of performing the power function with two variants

variant_round
Rounds a variant to the specified number of decimal places

variant_set
Assigns a new value for a variant object

variant_set_type
Convert a variant into another type “in-place”

variant_sub
Subtracts the value of the right variant from the left variant value

variant_xor
Performs a logical exclusion on two variants

var_dump
打印变量的相关信息

var_export
输出或返回一个变量的字符串表示

version_compare
对比两个「PHP 规范化」的版本数字字符串

vfprintf
将格式化字符串写入流

virtual
执行 Apache 子请求

vpopmail_add_alias_domain
Add an alias for a virtual domain

vpopmail_add_alias_domain_ex
Add alias to an existing virtual domain

vpopmail_add_domain
Add a new virtual domain

vpopmail_add_domain_ex
Add a new virtual domain

vpopmail_add_user
Add a new user to the specified virtual domain

vpopmail_alias_add
Insert a virtual alias

vpopmail_alias_del
Deletes all virtual aliases of a user

vpopmail_alias_del_domain
Deletes all virtual aliases of a domain

vpopmail_alias_get
Get all lines of an alias for a domain

vpopmail_alias_get_all
Get all lines of an alias for a domain

vpopmail_auth_user
Attempt to validate a username/domain/password

vpopmail_del_domain
Delete a virtual domain

vpopmail_del_domain_ex
Delete a virtual domain

vpopmail_del_user
Delete a user from a virtual domain

vpopmail_error
Get text message for last vpopmail error

vpopmail_passwd
Change a virtual user’s password

vpopmail_set_user_quota
Sets a virtual user’s quota

vprintf
输出格式化字符串

vsprintf
返回格式化字符串
w
函数
说明

wddx_add_vars
Add variables to a WDDX packet with the specified ID

wddx_deserialize
Unserializes a WDDX packet

wddx_packet_end
Ends a WDDX packet with the specified ID

wddx_packet_start
Starts a new WDDX packet with structure inside it

wddx_serialize_value
Serialize a single value into a WDDX packet

wddx_serialize_vars
Serialize variables into a WDDX packet

win32_continue_service
Resumes a paused service

win32_create_service
Creates a new service entry in the SCM database

win32_delete_service
Deletes a service entry from the SCM database

win32_get_last_control_message
Returns the last control message that was sent to this service

win32_pause_service
Pauses a service

win32_ps_list_procs
List running processes

win32_ps_stat_mem
Stat memory utilization

win32_ps_stat_proc
Stat process

win32_query_service_status
Queries the status of a service

win32_set_service_status
Update the service status

win32_start_service
Starts a service

win32_start_service_ctrl_dispatcher
Registers the script with the SCM, so that it can act as the service with the given name

win32_stop_service
Stops a service

wincache_fcache_fileinfo
Retrieves information about files cached in the file cache

wincache_fcache_meminfo
Retrieves information about file cache memory usage

wincache_lock
Acquires an exclusive lock on a given key

wincache_ocache_fileinfo
Retrieves information about files cached in the opcode cache

wincache_ocache_meminfo
Retrieves information about opcode cache memory usage

wincache_refresh_if_changed
Refreshes the cache entries for the cached files

wincache_rplist_fileinfo
Retrieves information about resolve file path cache

wincache_rplist_meminfo
Retrieves information about memory usage by the resolve file path cache

wincache_scache_info
Retrieves information about files cached in the session cache

wincache_scache_meminfo
Retrieves information about session cache memory usage

wincache_ucache_add
Adds a variable in user cache only if variable does not already exist in the cache

wincache_ucache_cas
Compares the variable with old value and assigns new value to it

wincache_ucache_clear
Deletes entire content of the user cache

wincache_ucache_dec
Decrements the value associated with the key

wincache_ucache_delete
Deletes variables from the user cache

wincache_ucache_exists
Checks if a variable exists in the user cache

wincache_ucache_get
Gets a variable stored in the user cache

wincache_ucache_inc
Increments the value associated with the key

wincache_ucache_info
Retrieves information about data stored in the user cache

wincache_ucache_meminfo
Retrieves information about user cache memory usage

wincache_ucache_set
Adds a variable in user cache and overwrites a variable if it already exists in the cache

wincache_unlock
Releases an exclusive lock on a given key

wordwrap
打断字符串为指定数量的字串
x
函数
说明

xattr_get
Get an extended attribute

xattr_list
Get a list of extended attributes

xattr_remove
Remove an extended attribute

xattr_set
Set an extended attribute

xattr_supported
Check if filesystem supports extended attributes

xdiff_file_bdiff
Make binary diff of two files

xdiff_file_bdiff_size
Read a size of file created by applying a binary diff

xdiff_file_bpatch
Patch a file with a binary diff

xdiff_file_diff
Make unified diff of two files

xdiff_file_diff_binary
Alias of xdiff_file_bdiff

xdiff_file_merge3
Merge 3 files into one

xdiff_file_patch
Patch a file with an unified diff

xdiff_file_patch_binary
Alias of xdiff_file_bpatch

xdiff_file_rabdiff
Make binary diff of two files using the Rabin’s polynomial fingerprinting algorithm

xdiff_string_bdiff
Make binary diff of two strings

xdiff_string_bdiff_size
Read a size of file created by applying a binary diff

xdiff_string_bpatch
Patch a string with a binary diff

xdiff_string_diff
Make unified diff of two strings

xdiff_string_diff_binary
Alias of xdiff_string_bdiff

xdiff_string_merge3
Merge 3 strings into one

xdiff_string_patch
Patch a string with an unified diff

xdiff_string_patch_binary
Alias of xdiff_string_bpatch

xdiff_string_rabdiff
Make binary diff of two strings using the Rabin’s polynomial fingerprinting algorithm

xhprof_disable
中止 xhprof 分析器

xhprof_enable
启动 xhprof 性能分析器

xhprof_sample_disable
中止 xhprof 性能采样分析器

xhprof_sample_enable
以采样模式启动 XHProf 性能分析

xmlrpc_decode
将 XML 译码为 PHP 自己的类型

xmlrpc_decode_request
将 XML 译码为 PHP 自己的类型

xmlrpc_encode
为 PHP 的值生成 XML

xmlrpc_encode_request
为 PHP 的值生成 XML

xmlrpc_get_type
为 PHP 的值获取 xmlrpc 的类型

xmlrpc_is_fault
Determines if an array value represents an XMLRPC fault

xmlrpc_parse_method_descriptions
将 XML 译码成方法描述的列表

xmlrpc_server_add_introspection_data
添加自我描述的文档

xmlrpc_server_call_method
解析 XML 请求同时调用方法

xmlrpc_server_create
建立一个 xmlrpc 服务端

xmlrpc_server_destroy
销毁服务端资源

xmlrpc_server_register_introspection_callback
注册一个 PHP 函数用于生成文档

xmlrpc_server_register_method
注册一个 PHP 函数用于匹配 xmlrpc 方法名

xmlrpc_set_type
为一个 PHP 字符串值设置 xmlrpc 的类型、base64 或日期时间

xml_error_string
获取 XML 解析器的错误字符串

xml_get_current_byte_index
获取 XML 解析器的当前字节索引

xml_get_current_column_number
获取 XML 解析器的当前列号

xml_get_current_line_number
获取 XML 解析器的当前行号

xml_get_error_code
获取 XML 解析器错误代码

xml_parse
开始解析一个 XML 文档

xml_parser_create
创建一个 XML 解析器

xml_parser_create_ns
生成一个支持命名空间的 XML 解析器

xml_parser_free
释放指定的 XML 解析器

xml_parser_get_option
从 XML 解析器获取选项设置信息

xml_parser_set_option
为指定 XML 解析进行选项设置

xml_parse_into_struct
将 XML 数据解析到数组中

xml_set_character_data_handler
创建字符数据处理器

xml_set_default_handler
创建默认处理器

xml_set_element_handler
创建起始和终止元素处理器

xml_set_end_namespace_decl_handler
创建终止命名空间声明处理器

xml_set_external_entity_ref_handler
创建外部实体指向处理器

xml_set_notation_decl_handler
创建注释声明处理器

xml_set_object
在对象中使用 XML 解析器

xml_set_processing_instruction_handler
创建处理指令(PI)处理器

xml_set_start_namespace_decl_handler
创建起始命名空间声明处理器

xml_set_unparsed_entity_decl_handler
创建未解析实体定义声明处理器
y
函数
说明

yaml_emit
Returns the YAML representation of a value

yaml_emit_file
Send the YAML representation of a value to a file

yaml_parse
Parse a YAML stream

yaml_parse_file
Parse a YAML stream from a file

yaml_parse_url
Parse a Yaml stream from a URL

yaz_addinfo
Returns additional error information

yaz_ccl_conf
Configure CCL parser

yaz_ccl_parse
Invoke CCL Parser

yaz_close
Close YAZ connection

yaz_connect
Prepares for a connection to a Z39.50 server

yaz_database
Specifies the databases within a session

yaz_element
Specifies Element-Set Name for retrieval

yaz_errno
Returns error number

yaz_error
Returns error description

yaz_es
Prepares for an Extended Service Request

yaz_es_result
Inspects Extended Services Result

yaz_get_option
Returns value of option for connection

yaz_hits
Returns number of hits for last search

yaz_itemorder
Prepares for Z39.50 Item Order with an ILL-Request package

yaz_present
Prepares for retrieval (Z39.50 present)

yaz_range
Specifies a range of records to retrieve

yaz_record
Returns a record

yaz_scan
Prepares for a scan

yaz_scan_result
Returns Scan Response result

yaz_schema
Specifies schema for retrieval

yaz_search
Prepares for a search

yaz_set_option
Sets one or more options for connection

yaz_sort
Sets sorting criteria

yaz_syntax
Specifies the preferred record syntax for retrieval

yaz_wait
Wait for Z39.50 requests to complete

yp_all
Traverse the map and call a function on each entry

yp_cat
Return an array containing the entire map

yp_errno
Returns the error code of the previous operation

yp_err_string
Returns the error string associated with the given error code

yp_first
Returns the first key-value pair from the named map

yp_get_default_domain
Fetches the machine’s default NIS domain

yp_master
Returns the machine name of the master NIS server for a map

yp_match
Returns the matched line

yp_next
Returns the next key-value pair in the named map

yp_order
Returns the order number for a map
z
函数
说明

zend_logo_guid
获取 Zend guid

zend_thread_id
返回当前线程的惟一识别符

zend_version
获取当前 Zend 引擎的版本

zip_close
关闭一个ZIP档案文件

zip_entry_close
关闭目录项

zip_entry_compressedsize
检索目录项压缩事后的大小

zip_entry_compressionmethod
检索目录实体的压缩方法

zip_entry_filesize
检索目录实体的实际大小

zip_entry_name
检索目录项的名称

zip_entry_open
打开用于读取的目录实体

zip_entry_read
读取一个打开了的压缩目录实体

zip_open
打开ZIP存档文件

zip_read
读取ZIP存档文件中下一项

zlib_decode
Uncompress any raw/gzip/zlib encoded data

zlib_encode
Compress data with the specified encoding

zlib_get_coding_type
Returns the coding type used for output compression

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