PHP 函数大全

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    获得已加载的Apache模块列表
apache_get_version    获得Apache版本信息
apache_lookup_uri    对指定的 URI 执行部分请求并返回所有有关信息
apache_note    取得或设置 apache 请求记录
apache_request_headers    获取全部 HTTP 请求头信息
apache_reset_timeout    重置 Apache 写入计时器
apache_response_headers    获得全部 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    创建一个数组，用一个数组的值作为其键名，另一个数组的值作为其值
array_count_values    统计数组中所有的值出现的次数
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做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所有的键名
array_key_exists    检查给定的键名或索引是否存在于数组中
array_map    将回调函数作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    计算数组中所有值的乘积
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，如果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    计算数组中所有值的和
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    返回数组中所有的值
array_walk    使用用户自定义函数对数组中的每个元素做回调处理
array_walk_recursive    对数组中的每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/获取断言的各种标志
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创建类
bcompiler_load_exe    从一个 bcompiler exe 文件中读取并创建类
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创建类
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所以函数
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    设置所有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    强制写入所有写缓冲区的数据
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    把第一个参数作为回调函数调用
call_user_func_array    调用回调函数，并把一个数组参数作为回调函数的参数
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地址做DNS通信检查
chgrp    改变文件所属的组
chmod    改变文件模式
chop    rtrim 的别名
chown    改变文件的所有者
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    为一个类创建别名
class_exists    检查类是否已定义
class_implements    返回指定的类实现的所有接口。
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    关闭系统日志链接
compact    建立一个数组，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    返回连接的状态位
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    创建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，并作为资源返回。
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    做字母和数字字符检测
ctype_alpha    做纯字符检测
ctype_cntrl    做控制字符检测
ctype_digit    做纯数字检测
ctype_graph    做可打印字符串检测，空格除外
ctype_lower    做小写字符检测
ctype_print    做可打印字符检测
ctype_punct    检测可打印的字符是不是不包含空白、数字和字母
ctype_space    做空白字符检测
ctype_upper    做大写字母检测
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句柄和它的所有选项
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    创建一个 CURLFile 对象
curl_getinfo    获取一个cURL连接资源句柄的信息
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 句柄的子连接
curl_multi_getcontent    如果设置了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    等待所有cURL批处理中的活动连接
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    取得一个脚本中所有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所有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    得到指定年份的复活节午夜时的Unix时间戳。
easter_days    得到指定年份的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    把字符串转码为可以在 shell 命令里使用的参数
escapeshellcmd    shell 元字符转义
eval    把字符串作为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    输出一个消息并且退出当前脚本
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)所有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_