a
0	acos	反余弦
1	acosh	反双曲余弦
2	addcslashes	以 C 语言风格使用反斜线转义字符串中的字符
3	addslashes	使用反斜线引用字符串
4	apache_child_terminate	在本次请求结束后终止 apache 子进程
5	apache_get_modules	获得已加载的Apache模块列表
6	apache_get_version	获得Apache版本信息
7	apache_getenv	获取 Apache subprocess_env 变量
8	apache_lookup_uri	对指定的 URI 执行部分请求并返回所有有关信息
9	apache_note	取得或设置 apache 请求记录
10	apache_request_headers	获取全部 HTTP 请求头信息
11	apache_reset_timeout	重置 Apache 写入计时器
12	apache_response_headers	获得全部 HTTP 响应头信息
13	apache_setenv	设置 Apache 子进程环境变量
14	apc_add	缓存一个变量到数据存储
15	apc_bin_dump	Get a binary dump of the given files and user variables
16	apc_bin_dumpfile	Output a binary dump of cached files and user variables to a file
17	apc_bin_load	Load a binary dump into the APC file/user cache
18	apc_bin_loadfile	Load a binary dump from a file into the APC file/user cache
19	apc_cache_info	Retrieves cached information from APC‘s data store
20	apc_cas	用新值更新旧值
21	apc_clear_cache	清除APC缓存
22	apc_compile_file	Stores a file in the bytecode cache, bypassing all filters
23	apc_dec	Decrease a stored number
24	apc_define_constants	Defines a set of constants for retrieval and mass-definition
25	apc_delete	从用户缓存中删除某个变量
26	apc_delete_file	Deletes files from the opcode cache
27	apc_exists	检查APC中是否存在某个或者某些key
28	apc_fetch	从缓存中取出存储的变量
29	apc_inc	递增一个储存的数字
30	apc_load_constants	Loads a set of constants from the cache
31	apc_sma_info	Retrieves APC‘s Shared Memory Allocation information
32	apc_store	Cache a variable in the data store
33	apcu_add	Cache a new variable in the data store
34	apcu_cache_info	Retrieves cached information from APCu‘s data store
35	apcu_cas	Updates an old value with a new value
36	apcu_clear_cache	Clears the APCu cache
37	apcu_dec	Decrease a stored number
38	apcu_delete	Removes a stored variable from the cache
39	apcu_entry	Atomically fetch or generate a cache entry
40	apcu_exists	Checks if entry exists
41	apcu_fetch	Fetch a stored variable from the cache
42	apcu_inc	Increase a stored number
43	apcu_sma_info	Retrieves APCu Shared Memory Allocation information
44	apcu_store	Cache a variable in the data store
45	array_change_key_case	将数组中的所有键名修改为全大写或小写
46	array_chunk	将一个数组分割成多个
47	array_column	返回数组中指定的一列
48	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
49	array_count_values	统计数组中所有的值
50	array_diff	计算数组的差集
51	array_diff_assoc	带索引检查计算数组的差集
52	array_diff_key	使用键名比较计算数组的差集
53	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
54	array_diff_ukey	用回调函数对键名比较计算数组的差集
55	array_fill	用给定的值填充数组
56	array_fill_keys	使用指定的键和值填充数组
57	array_filter	用回调函数过滤数组中的单元
58	array_flip	交换数组中的键和值
59	array_intersect	计算数组的交集
60	array_intersect_assoc	带索引检查计算数组的交集
61	array_intersect_key	使用键名比较计算数组的交集
62	array_intersect_uassoc	带索引检查计算数组的交集，用回调函数比较索引
63	array_intersect_ukey	用回调函数比较键名来计算数组的交集
64	array_key_exists	检查数组里是否有指定的键名或索引
65	array_keys	返回数组中部分的或所有的键名
66	array_map	为数组的每个元素应用回调函数
67	array_merge	合并一个或多个数组
68	array_merge_recursive	递归地合并一个或多个数组
69	array_multisort	对多个数组或多维数组进行排序
70	array_pad	以指定长度将一个值填充进数组
71	array_pop	弹出数组最后一个单元（出栈）
72	array_product	计算数组中所有值的乘积
73	array_push	将一个或多个单元压入数组的末尾（入栈）
74	array_rand	从数组中随机取出一个或多个单元
75	array_reduce	用回调函数迭代地将数组简化为单一的值
76	array_replace	使用传递的数组替换第一个数组的元素
77	array_replace_recursive	使用传递的数组递归替换第一个数组的元素
78	array_reverse	返回单元顺序相反的数组
79	array_search	在数组中搜索给定的值，如果成功则返回首个相应的键名
80	array_shift	将数组开头的单元移出数组
81	array_slice	从数组中取出一段
82	array_splice	去掉数组中的某一部分并用其它值取代
83	array_sum	对数组中所有值求和
84	array_udiff	用回调函数比较数据来计算数组的差集
85	array_udiff_assoc	带索引检查计算数组的差集，用回调函数比较数据
86	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
87	array_uintersect	计算数组的交集，用回调函数比较数据
88	array_uintersect_assoc	带索引检查计算数组的交集，用回调函数比较数据
89	array_uintersect_uassoc	带索引检查计算数组的交集，用单独的回调函数比较数据和索引
90	array_unique	移除数组中重复的值
91	array_unshift	在数组开头插入一个或多个单元
92	array_values	返回数组中所有的值
93	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
94	array_walk_recursive	对数组中的每个成员递归地应用用户函数
95	arsort	对数组进行逆向排序并保持索引关系
96	asin	反正弦
97	asinh	反双曲正弦
98	asort	对数组进行排序并保持索引关系
99	assert	检查一个断言是否为 FALSE
100	assert_options	设置/获取断言的各种标志
101	atan	反正切
102	atan2	两个参数的反正切
103	atanh	反双曲正切

b
104	base64_encode	使用 MIME base64 对数据进行编码
105	base_convert	在任意进制之间转换数字
106	basename	返回路径中的文件名部分
107	bcadd	2个任意精度数字的加法计算
108	bccomp	比较两个任意精度的数字
109	bcdiv	2个任意精度的数字除法计算
110	bcmod	对一个任意精度数字取模
111	bcmul	2个任意精度数字乘法计算
112	bcpow	任意精度数字的乘方
113	bcpowmod	Raise an arbitrary precision number to another, reduced by a specified modulus
114	bcscale	设置所有bc数学函数的默认小数点保留位数
115	bcsqrt	任意精度数字的二次方根
116	bcsub	2个任意精度数字的减法
117	bin2hex	函数把包含数据的二进制字符串转换为十六进制值
118	bind_textdomain_codeset	Specify the character encoding in which the messages from the DOMAIN message catalog will be returned
119	bindec	二进制转换为十进制
120	bindtextdomain	Sets the path for a domain
121	boolval	获取变量的布尔值
122	bzclose	关闭一个 bzip2 文件
123	bzcompress	把一个字符串压缩成 bzip2 编码数据
124	bzdecompress	解压经 bzip2 编码过的数据
125	bzerrno	返回一个 bzip2 错误码
126	bzerror	返回包含 bzip2 错误号和错误字符串的一个 array
127	bzerrstr	返回一个 bzip2 的错误字符串
128	bzflush	强制写入所有写缓冲区的数据
129	bzopen	打开 bzip2 压缩文件
130	bzread	bzip2 文件二进制安全地读取
131	bzwrite	二进制安全地写入 bzip2 文件

c
132	cal_from_jd	转换Julian Day计数到一个支持的历法。
133	cal_info	返回选定历法的信息
134	cal_to_jd	从一个支持的历法转变为Julian Day计数。
135	call_user_func	把第一个参数作为回调函数调用
136	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
137	call_user_method	对特定对象调用用户方法
138	call_user_method_array	以参数列表的数组，调用用户方法
139	ceil	进一法取整
140	chdir	改变目录
141	checkdate	验证一个格里高里日期
142	checkdnsrr	给指定的主机（域名）或者IP地址做DNS通信检查
143	chgrp	改变文件所属的组
144	chmod	改变文件模式
145	chop	rtrim() 的别名
146	chown	改变文件的所有者
147	chr	返回指定的字符
148	chroot	改变根目录
149	chunk_split	将字符串分割成小块
150	class_alias	为一个类创建别名
151	class_exists	检查类是否已定义
152	class_implements	返回指定的类实现的所有接口。
153	class_parents	返回指定类的父类。
154	class_uses	Return the traits used by the given class
155	clearstatcache	清除文件状态缓存
156	cli_get_process_title	Returns the current process title
157	cli_set_process_title	Sets the process title
158	closedir	关闭目录句柄
159	closelog	关闭系统日志链接
160	collator::asort	Sort array maintaining index association
161	collator::compare	Compare two Unicode strings
162	collator::getattribute	Get collation attribute value
163	collator::geterrorcode	Get collator‘s last error code
164	collator::geterrormessage	Get text for collator‘s last error code
165	collator::getlocale	Get the locale name of the collator
166	collator::getsortkey	Get sorting key for a string
167	collator::getstrength	Get current collation strength
168	collator::setattribute	Set collation attribute
169	collator::setstrength	Set collation strength
170	collator::sort	Sort array using specified collator
171	collator::sortwithsortkeys	Sort array using specified collator and sort keys
172	collator_asort	Sort array maintaining index association
173	collator_compare	Compare two Unicode strings
174	collator_create	Create a collator
175	collator_sort	Sort array using specified collator
176	compact	建立一个数组，包括变量名和它们的值
177	connection_aborted	检查客户端是否已经断开
178	connection_status	返回连接的状态位
179	constant	返回一个常量的值
180	convert_cyr_string	将字符由一种 Cyrillic 字符转换成另一种
181	convert_uudecode	解码一个 uuencode 编码的字符串
182	convert_uuencode	使用 uuencode 编码一个字符串
183	copy	拷贝文件
184	cos	余弦
185	cosh	双曲余弦
186	count	计算数组中的单元数目，或对象中的属性个数
187	count_chars	返回字符串所用字符的信息
188	crc32	计算一个字符串的 crc32 多项式
189	create_function	Create an anonymous (lambda-style) function
190	crypt	单向字符串散列
191	ctype_alnum	做字母和数字字符检测
192	ctype_alpha	做纯字符检测
193	ctype_cntrl	做控制字符检测
194	ctype_digit	做纯数字检测
195	ctype_graph	做可打印字符串检测，空格除外
196	ctype_lower	做小写字符检测
197	ctype_print	做可打印字符检测
198	ctype_punct	检测可打印的字符是不是不包含空白、数字和字母
199	ctype_space	做空白字符检测
200	ctype_upper	做大写字母检测
201	ctype_xdigit	检测字符串是否只包含十六进制字符
202	cubrid_affected_rows	Return the number of rows affected by the last SQL statement
203	cubrid_bind	Bind variables to a prepared statement as parameters
204	cubrid_client_encoding	Return the current CUBRID connection charset
205	cubrid_close	Close CUBRID connection
206	cubrid_close_prepare	Close the request handle
207	cubrid_close_request	Close the request handle
208	cubrid_col_get	Get contents of collection type column using OID
209	cubrid_col_size	Get the number of elements in collection type column using OID
210	cubrid_column_names	Get the column names in result
211	cubrid_column_types	Get column types in result
212	cubrid_commit	Commit a transaction
213	cubrid_connect	Open a connection to a CUBRID Server
214	cubrid_connect_with_url	Establish the environment for connecting to CUBRID server
215	cubrid_current_oid	Get OID of the current cursor location
216	cubrid_data_seek	Move the internal row pointer of the CUBRID result
217	cubrid_db_name	Get db name from results of cubrid_list_dbs
218	cubrid_disconnect	Close a database connection
219	cubrid_drop	Delete an instance using OID
220	cubrid_errno	Return the numerical value of the error message from previous CUBRID operation
221	cubrid_error	Get the error message
222	cubrid_error_code	Get error code for the most recent function call
223	cubrid_error_code_facility	Get the facility code of error
224	cubrid_error_msg	Get last error message for the most recent function call
225	cubrid_execute	Execute a prepared SQL statement
226	cubrid_fetch	Fetch the next row from a result set
227	cubrid_fetch_array	Fetch a result row as an associative array, a numeric array, or both
228	cubrid_fetch_assoc	Return the associative array that corresponds to the fetched row
229	cubrid_fetch_field	Get column information from a result and return as an object
230	cubrid_fetch_lengths	Return an array with the lengths of the values of each field from the current row
231	cubrid_fetch_object	Fetch the next row and return it as an object
232	cubrid_fetch_row	Return a numerical array with the values of the current row
233	cubrid_field_flags	Return a string with the flags of the given field offset
234	cubrid_field_len	Get the maximum length of the specified field
235	cubrid_field_name	Return the name of the specified field index
236	cubrid_field_seek	Move the result set cursor to the specified field offset
237	cubrid_field_table	Return the name of the table of the specified field
238	cubrid_field_type	Return the type of the column corresponding to the given field offset
239	cubrid_free_result	Free the memory occupied by the result data
240	cubrid_get	Get a column using OID
241	cubrid_get_autocommit	Get auto-commit mode of the connection
242	cubrid_get_charset	Return the current CUBRID connection charset
243	cubrid_get_class_name	Get the class name using OID
244	cubrid_get_client_info	Return the client library version
245	cubrid_get_db_parameter	Returns the CUBRID database parameters
246	cubrid_get_query_timeout	Get the query timeout value of the request
247	cubrid_get_server_info	Return the CUBRID server version
248	cubrid_insert_id	Return the ID generated for the last updated AUTO_INCREMENT column
249	cubrid_is_instance	Check whether the instance pointed by OID exists
250	cubrid_list_dbs	Return an array with the list of all existing CUBRID databases
251	cubrid_lob2_bind	Bind a lob object or a string as a lob object to a prepared statement as parameters
252	cubrid_lob2_close	Close LOB object
253	cubrid_lob2_export	Export the lob object to a file
254	cubrid_lob2_import	Import BLOB/CLOB data from a file
255	cubrid_lob2_new	Create a lob object
256	cubrid_lob2_read	Read from BLOB/CLOB data
257	cubrid_lob2_seek	Move the cursor of a lob object
258	cubrid_lob2_seek64	Move the cursor of a lob object
259	cubrid_lob2_size	Get a lob object‘s size
260	cubrid_lob2_size64	Get a lob object‘s size
261	cubrid_lob2_tell	Tell the cursor position of the LOB object
262	cubrid_lob2_tell64	Tell the cursor position of the LOB object
263	cubrid_lob_close	Close BLOB/CLOB data
264	cubrid_lob_export	Export BLOB/CLOB data to file
265	cubrid_lob_get	Get BLOB/CLOB data
266	cubrid_lob_send	Read BLOB/CLOB data and send straight to browser
267	cubrid_lob_size	Get BLOB/CLOB data size
268	cubrid_lock_read	Set a read lock on the given OID
269	cubrid_lock_write	Set a write lock on the given OID
270	cubrid_move_cursor	Move the cursor in the result
271	cubrid_next_result	Get result of next query when executing multiple SQL statements
272	cubrid_num_cols	Return the number of columns in the result set
273	cubrid_num_fields	Return the number of columns in the result set
274	cubrid_num_rows	Get the number of rows in the result set
275	cubrid_pconnect	Open a persistent connection to a CUBRID server
276	cubrid_pconnect_with_url	Open a persistent connection to CUBRID server
277	cubrid_ping	Ping a server connection or reconnect if there is no connection
278	cubrid_prepare	Prepare a SQL statement for execution
279	cubrid_put	Update a column using OID
280	cubrid_query	Send a CUBRID query
281	cubrid_real_escape_string	Escape special characters in a string for use in an SQL statement
282	cubrid_result	Return the value of a specific field in a specific row
283	cubrid_rollback	Roll back a transaction
284	cubrid_schema	Get the requested schema information
285	cubrid_seq_drop	Delete an element from sequence type column using OID
286	cubrid_seq_insert	Insert an element to a sequence type column using OID
287	cubrid_seq_put	Update the element value of sequence type column using OID
288	cubrid_set_add	Insert a single element to set type column using OID
289	cubrid_set_autocommit	Set autocommit mode of the connection
290	cubrid_set_db_parameter	Sets the CUBRID database parameters
291	cubrid_set_drop	Delete an element from set type column using OID
292	cubrid_set_query_timeout	Set the timeout time of query execution
293	cubrid_unbuffered_query	Perform a query without fetching the results into memory
294	cubrid_version	Get the CUBRID PHP module‘s version
295	curl_close	关闭 cURL 会话
296	curl_copy_handle	复制一个cURL句柄和它的所有选项
297	curl_errno	返回最后一次的错误代码
298	curl_error	返回当前会话最后一次错误的字符串
299	curl_escape	使用 URL 编码给定的字符串
300	curl_exec	执行 cURL 会话
301	curl_file_create	创建一个 CURLFile 对象
302	curl_getinfo	获取一个cURL连接资源句柄的信息
303	curl_init	初始化 cURL 会话
304	curl_multi_add_handle	向curl批处理会话中添加单独的curl句柄
305	curl_multi_close	关闭一组cURL句柄
306	curl_multi_errno	返回上一次 curl 批处理的错误码
307	curl_multi_exec	运行当前 cURL 句柄的子连接
308	curl_multi_getcontent	如果设置了CURLOPT_RETURNTRANSFER，则返回获取的输出的文本流
309	curl_multi_info_read	获取当前解析的cURL的相关传输信息
310	curl_multi_init	返回一个新cURL批处理句柄
311	curl_multi_remove_handle	移除cURL批处理句柄资源中的某个句柄资源
312	curl_multi_select	等待所有cURL批处理中的活动连接
313	curl_multi_setopt	为 cURL 并行处理设置一个选项
314	curl_multi_strerror	返回字符串描述的错误代码
315	curl_pause	暂停和取消暂停一个连接。
316	curl_reset	重置一个 libcurl 会话句柄的所有的选项
317	curl_setopt	设置 cURL 传输选项
318	curl_setopt_array	为 cURL 传输会话批量设置选项
319	curl_share_close	关闭 cURL 共享句柄
320	curl_share_errno	Return the last share curl error number
321	curl_share_init	初始化一个 cURL 共享句柄。
322	curl_share_setopt	为 cURL 共享句柄设置选项。
323	curl_share_strerror	Return string describing the given error code
324	curl_strerror	返回错误代码的字符串描述
325	curl_unescape	解码给定的 URL 编码的字符串
326	curl_version	获取 cURL 版本信息
327	curlfile::getfilename	获取被上传文件的 文件名
328	curlfile::getmimetype	获取被上传文件的 MIME 类型
329	curlfile::getpostfilename	获取 POST 请求时使用的 文件名
330	curlfile::setmimetype	设置被上传文件的 MIME 类型
331	curlfile::setpostfilename	设置 POST 请求时使用的文件名
332	current	返回数组中的当前单元

d
333	date_add	别名 DateTime::add()
334	date_create	别名 DateTime::__construct()
335	date_create_from_format	别名 DateTime::createFromFormat()
336	date_create_immutable	别名 DateTimeImmutable::__construct()
337	date_date_set	别名 DateTime::setDate()
338	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
339	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
340	date_diff	别名 DateTime::diff()
341	date_format	别名 DateTime::format()
342	date_get_last_errors	别名 DateTime::getLastErrors()
343	date_interval_create_from_date_string	别名 DateInterval::createFromDateString()
344	date_interval_format	别名 DateInterval::format()
345	date_isodate_set	别名 DateTime::setISODate()
346	date_modify	别名 DateTime::modify()
347	date_offset_get	别名 DateTime::getOffset()
348	date_parse	Returns associative array with detailed info about given date
349	date_parse_from_format	Get info about given date formatted according to the specified format
350	date_sub	别名 DateTime::sub()
351	date_sun_info	Returns an array with information about sunset/sunrise and twilight begin/end
352	date_sunrise	返回给定的日期与地点的日出时间
353	date_sunset	返回给定的日期与地点的日落时间
354	date_time_set	别名 DateTime::setTime()
355	date_timestamp_get	别名 DateTime::getTimestamp()
356	date_timestamp_set	别名 DateTime::setTimestamp()
357	date_timezone_get	别名 DateTime::getTimezone()
358	date_timezone_set	别名 DateTime::setTimezone()
359	dateinterval::format	Formats the interval
360	datetimezone::getlocation	返回与时区相关的定位信息。
361	datetimezone::getname	返回时区名称。
362	datetimezone::getoffset	返回相对于 GMT 的时差。
363	datetimezone::gettransitions	Returns all transitions for the timezone
364	db2_autocommit	Returns or sets the AUTOCOMMIT state for a database connection
365	db2_bind_param	Binds a PHP variable to an SQL statement parameter
366	db2_client_info	Returns an object with properties that describe the DB2 database client
367	db2_close	Closes a database connection
368	db2_column_privileges	Returns a result set listing the columns and associated privileges for a table
369	db2_columns	Returns a result set listing the columns and associated metadata for a table
370	db2_commit	Commits a transaction
371	db2_conn_error	Returns a string containing the SQLSTATE returned by the last connection attempt
372	db2_conn_errormsg	Returns the last connection error message and SQLCODE value
373	db2_connect	Returns a connection to a database
374	db2_cursor_type	Returns the cursor type used by a statement resource
375	db2_escape_string	Used to escape certain characters
376	db2_exec	Executes an SQL statement directly
377	db2_execute	Executes a prepared SQL statement
378	db2_fetch_array	Returns an array, indexed by column position, representing a row in a result set
379	db2_fetch_assoc	Returns an array, indexed by column name, representing a row in a result set
380	db2_fetch_both	Returns an array, indexed by both column name and position, representing a row in a result set
381	db2_fetch_object	Returns an object with properties representing columns in the fetched row
382	db2_fetch_row	Sets the result set pointer to the next row or requested row
383	db2_field_display_size	Returns the maximum number of bytes required to display a column
384	db2_field_name	Returns the name of the column in the result set
385	db2_field_num	Returns the position of the named column in a result set
386	db2_field_precision	Returns the precision of the indicated column in a result set
387	db2_field_scale	Returns the scale of the indicated column in a result set
388	db2_field_type	Returns the data type of the indicated column in a result set
389	db2_field_width	Returns the width of the current value of the indicated column in a result set
390	db2_foreign_keys	Returns a result set listing the foreign keys for a table
391	db2_free_result	Frees resources associated with a result set
392	db2_free_stmt	Frees resources associated with the indicated statement resource
393	db2_get_option	Retrieves an option value for a statement resource or a connection resource
394	db2_last_insert_id	Returns the auto generated ID of the last insert query that successfully executed on this connection
395	db2_lob_read	Gets a user defined size of LOB files with each invocation
396	db2_next_result	Requests the next result set from a stored procedure
397	db2_num_fields	Returns the number of fields contained in a result set
398	db2_num_rows	Returns the number of rows affected by an SQL statement
399	db2_pconnect	Returns a persistent connection to a database
400	db2_prepare	Prepares an SQL statement to be executed
401	db2_primary_keys	Returns a result set listing primary keys for a table
402	db2_procedure_columns	Returns a result set listing stored procedure parameters
403	db2_procedures	Returns a result set listing the stored procedures registered in a database
404	db2_result	Returns a single column from a row in the result set
405	db2_rollback	Rolls back a transaction
406	db2_server_info	Returns an object with properties that describe the DB2 database server
407	db2_set_option	Set options for connection or statement resources
408	db2_special_columns	Returns a result set listing the unique row identifier columns for a table
409	db2_statistics	Returns a result set listing the index and statistics for a table
410	db2_stmt_error	Returns a string containing the SQLSTATE returned by an SQL statement
411	db2_stmt_errormsg	Returns a string containing the last SQL statement error message
412	db2_table_privileges	Returns a result set listing the tables and associated privileges in a database
413	db2_tables	Returns a result set listing the tables and associated metadata in a database
414	dba_close	Close a DBA database
415	dba_delete	Delete DBA entry specified by key
416	dba_exists	Check whether key exists
417	dba_fetch	Fetch data specified by key
418	dba_firstkey	Fetch first key
419	dba_handlers	List all the handlers available
420	dba_insert	Insert entry
421	dba_key_split	Splits a key in string representation into array representation
422	dba_list	List all open database files
423	dba_nextkey	Fetch next key
424	dba_open	Open database
425	dba_optimize	Optimize database
426	dba_popen	Open database persistently
427	dba_replace	Replace or insert entry
428	dba_sync	Synchronize database
429	dcgettext	Overrides the domain for a single lookup
430	dcngettext	Plural version of dcgettext
431	debug_backtrace	产生一条回溯跟踪(backtrace)
432	debug_print_backtrace	打印一条回溯。
433	debug_zval_dump	Dumps a string representation of an internal zend value to output
434	decbin	十进制转换为二进制
435	dechex	十进制转换为十六进制
436	decoct	十进制转换为八进制
437	define	定义一个常量
438	define_syslog_variables	Initializes all syslog related variables
439	defined	检查某个名称的常量是否存在
440	deflate_add	Incrementally deflate data
441	deflate_init	Initialize an incremental deflate context
442	deg2rad	将角度转换为弧度
443	dgettext	Override the current domain
444	dir	返回一个 Directory 类实例
445	directory::close	释放目录句柄
446	directory::read	从目录句柄中读取条目
447	directory::rewind	倒回目录句柄
448	dirname	返回路径中的目录部分
449	disk_free_space	返回目录中的可用空间
450	disk_total_space	返回一个目录的磁盘总大小
451	diskfreespace	disk_free_space() 的别名
452	dl	运行时载入一个 PHP 扩展
453	dngettext	Plural version of dgettext
454	dns_check_record	别名 checkdnsrr()
455	dns_get_mx	别名 getmxrr()
456	dom_import_simplexml	Gets a DOMElement object from a SimpleXMLElement object
457	domimplementation::createdocument	Creates a DOMDocument object of the specified type with its document element
458	domimplementation::createdocumenttype	Creates an empty DOMDocumentType object
459	domnode::appendchild	Adds new child at the end of the children
460	domnode::c14n	Canonicalize nodes to a string
461	domnode::c14nfile	Canonicalize nodes to a file
462	domnode::clonenode	Clones a node
463	domnode::getlineno	Get line number for a node
464	domnode::getnodepath	Get an XPath for a node
465	domnode::hasattributes	Checks if node has attributes
466	domnode::haschildnodes	Checks if node has children
467	domnode::insertbefore	Adds a new child before a reference node
468	domnode::isdefaultnamespace	Checks if the specified namespaceURI is the default namespace or not
469	domnode::issamenode	Indicates if two nodes are the same node
470	domnode::issupported	Checks if feature is supported for specified version
471	domnode::lookupnamespaceuri	Gets the namespace URI of the node based on the prefix
472	domnode::lookupprefix	Gets the namespace prefix of the node based on the namespace URI
473	domnode::normalize	Normalizes the node
474	domnode::removechild	Removes child from list of children
475	domnode::replacechild	Replaces a child
476	domxpath::evaluate	Evaluates the given XPath expression and returns a typed result if possible
477	domxpath::query	Evaluates the given XPath expression
478	domxpath::registernamespace	Registers the namespace with the DOMXPath object
479	domxpath::registerphpfunctions	Register PHP functions as XPath functions
480	doubleval	floatval() 的别名

e
481	easter_date	得到指定年份的复活节午夜时的Unix时间戳。
482	easter_days	得到指定年份的3月21日到复活节之间的天数
483	enchant_broker_describe	Enumerates the Enchant providers
484	enchant_broker_dict_exists	Whether a dictionary exists or not. Using non-empty tag
485	enchant_broker_free	Free the broker resource and its dictionnaries
486	enchant_broker_free_dict	Free a dictionary resource
487	enchant_broker_get_dict_path	Get the directory path for a given backend
488	enchant_broker_get_error	Returns the last error of the broker
489	enchant_broker_init	Create a new broker object capable of requesting
490	enchant_broker_list_dicts	Returns a list of available dictionaries
491	enchant_broker_request_dict	Create a new dictionary using a tag
492	enchant_broker_request_pwl_dict	Creates a dictionary using a PWL file
493	enchant_broker_set_dict_path	Set the directory path for a given backend
494	enchant_broker_set_ordering	Declares a preference of dictionaries to use for the language
495	enchant_dict_add_to_personal	Add a word to personal word list
496	enchant_dict_add_to_session	Add ‘word‘ to this spell-checking session
497	enchant_dict_check	Check whether a word is correctly spelled or not
498	enchant_dict_describe	Describes an individual dictionary
499	enchant_dict_get_error	Returns the last error of the current spelling-session
500	enchant_dict_is_in_session	Whether or not ‘word‘ exists in this spelling-session
501	enchant_dict_quick_check	Check the word is correctly spelled and provide suggestions
502	enchant_dict_store_replacement	Add a correction for a word
503	enchant_dict_suggest	Will return a list of values if any of those pre-conditions are not met
504	end	将数组的内部指针指向最后一个单元
505	ereg	正则表达式匹配
506	ereg_replace	正则表达式替换
507	eregi	不区分大小写的正则表达式匹配
508	eregi_replace	不区分大小写的正则表达式替换
509	error_clear_last	清除最近一次错误
510	error_get_last	获取最后发生的错误
511	error_log	发送错误信息到某个地方
512	error_reporting	设置应该报告何种 PHP 错误
513	escapeshellarg	把字符串转码为可以在 shell 命令里使用的参数
514	escapeshellcmd	shell 元字符转义
515	event_add	Add an event to the set of monitored events
516	event_base_free	Destroy event base
517	event_base_loop	Handle events
518	event_base_loopbreak	Abort event loop
519	event_base_loopexit	Exit loop after a time
520	event_base_new	Create and initialize new event base
521	event_base_priority_init	Set the number of event priority levels
522	event_base_set	Associate event base with an event
523	event_buffer_base_set	Associate buffered event with an event base
524	event_buffer_disable	Disable a buffered event
525	event_buffer_enable	Enable a buffered event
526	event_buffer_fd_set	Change a buffered event file descriptor
527	event_buffer_free	Destroy buffered event
528	event_buffer_new	Create new buffered event
529	event_buffer_priority_set	Assign a priority to a buffered event
530	event_buffer_read	Read data from a buffered event
531	event_buffer_set_callback	Set or reset callbacks for a buffered event
532	event_buffer_timeout_set	Set read and write timeouts for a buffered event
533	event_buffer_watermark_set	Set the watermarks for read and write events
534	event_buffer_write	Write data to a buffered event
535	event_del	Remove an event from the set of monitored events
536	event_free	Free event resource
537	event_new	Create new event
538	event_set	Prepare an event
539	event_timer_add	别名 event_add()
540	event_timer_del	别名 event_del()
541	event_timer_new	别名 event_new()
542	event_timer_set	Prepare a timer event
543	exec	执行一个外部程序
544	exif_imagetype	判断一个图像的类型
545	exif_read_data	从 JPEG 或 TIFF 文件中读取 EXIF 头信息
546	exif_tagname	获取指定索引的头名称
547	exif_thumbnail	取得嵌入在 TIFF 或 JPEG 图像中的缩略图
548	exp	计算 e 的指数
549	explode	使用一个字符串分割另一个字符串
550	expm1	返回 exp(number) - 1，甚至当 number 的值接近零也能计算出准确结果
551	extension_loaded	检查一个扩展是否已经加载
552	extract	从数组中将变量导入到当前的符号表
553	ezmlm_hash	计算 EZMLM 所需的散列值

f
554	fclose	关闭一个已打开的文件指针
555	feof	测试文件指针是否到了文件结束的位置
556	fflush	将缓冲内容输出到文件
557	fgetc	从文件指针中读取字符
558	fgetcsv	从文件指针中读入一行并解析 CSV 字段
559	fgets	从文件指针中读取一行
560	fgetss	从文件指针中读取一行并过滤掉 HTML 标记
561	file	把整个文件读入一个数组中
562	file_exists	检查文件或目录是否存在
563	file_get_contents	将整个文件读入一个字符串
564	file_put_contents	将一个字符串写入文件
565	fileatime	取得文件的上次访问时间
566	filectime	取得文件的 inode 修改时间
567	filegroup	取得文件的组
568	fileinode	取得文件的 inode
569	filemtime	取得文件修改时间
570	fileowner	取得文件的所有者
571	fileperms	取得文件的权限
572	filesize	取得文件大小
573	filetype	取得文件类型
574	filter_has_var	检测是否存在指定类型的变量
575	filter_id	返回与某个特定名称的过滤器相关联的id
576	filter_input	通过名称获取特定的外部变量，并且可以通过过滤器处理它
577	filter_input_array	获取一系列外部变量，并且可以通过过滤器处理它们
578	filter_list	返回所支持的过滤器列表
579	filter_var	使用特定的过滤器过滤一个变量
580	filter_var_array	获取多个变量并且过滤它们
581	finfo_buffer	返回一个字符串缓冲区的信息
582	finfo_close	关闭 fileinfo 资源
583	finfo_file	返回一个文件的信息
584	finfo_open	创建一个 fileinfo 资源
585	finfo_set_flags	设置 libmagic 配置选项
586	floatval	获取变量的浮点值
587	flock	轻便的咨询文件锁定
588	floor	舍去法取整
589	flush	刷新输出缓冲
590	fmod	返回除法的浮点数余数
591	fnmatch	用模式匹配文件名
592	fopen	打开文件或者 URL
593	forward_static_call	Call a static method
594	forward_static_call_array	Call a static method and pass the arguments as array
595	fpassthru	输出文件指针处的所有剩余数据
596	fprintf	将格式化后的字符串写入到流
597	fputcsv	将行格式化为 CSV 并写入文件指针
598	fputs	fwrite() 的别名
599	fread	读取文件（可安全用于二进制文件）
600	frenchtojd	从一个French Republican历法的日期得到Julian Day计数。
601	fscanf	从文件中格式化输入
602	fseek	在文件指针中定位
603	fsockopen	打开一个网络连接或者一个Unix套接字连接
604	fstat	通过已打开的文件指针取得文件信息
605	ftell	返回文件指针读/写的位置
606	ftok	Convert a pathname and a project identifier to a System V IPC key
607	ftp_alloc	为要上传的文件分配空间
608	ftp_cdup	切换到当前目录的父目录
609	ftp_chdir	在 FTP 服务器上改变当前目录
610	ftp_chmod	设置 FTP 服务器上的文件权限
611	ftp_close	关闭一个 FTP 连接
612	ftp_connect	建立一个新的 FTP 连接
613	ftp_delete	删除 FTP 服务器上的一个文件
614	ftp_exec	请求运行一条 FTP 命令
615	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
616	ftp_fput	上传一个已经打开的文件到 FTP 服务器
617	ftp_get	从 FTP 服务器上下载一个文件
618	ftp_get_option	返回当前 FTP 连接的各种不同的选项设置
619	ftp_login	登录 FTP 服务器
620	ftp_mdtm	返回指定文件的最后修改时间
621	ftp_mkdir	建立新目录
622	ftp_nb_continue	连续获取／发送文件（non-blocking）
623	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）
624	ftp_nb_fput	将文件存储到 FTP 服务器 （非阻塞）
625	ftp_nb_get	从 FTP 服务器上获取文件并写入本地文件（non-blocking）
626	ftp_nb_put	存储一个文件至 FTP 服务器（non-blocking）
627	ftp_nlist	返回给定目录的文件列表
628	ftp_pasv	返回当前 FTP 被动模式是否打开
629	ftp_put	上传文件到 FTP 服务器
630	ftp_pwd	返回当前目录名
631	ftp_quit	ftp_close() 的 别名
632	ftp_raw	向 FTP 服务器发送命令
633	ftp_rawlist	返回指定目录下文件的详细列表
634	ftp_rename	更改 FTP 服务器上的文件或目录名
635	ftp_rmdir	删除 FTP 服务器上的一个目录
636	ftp_set_option	设置各种 FTP 运行时选项
637	ftp_site	向服务器发送 SITE 命令
638	ftp_size	返回指定文件的大小
639	ftp_ssl_connect	打开 SSL-FTP 连接
640	ftp_systype	返回远程 FTP 服务器的操作系统类型
641	ftruncate	将文件截断到给定的长度
642	func_get_arg	返回参数列表的某一项
643	func_get_args	返回一个包含函数参数列表的数组
644	func_num_args	Returns the number of arguments passed to the function
645	function_exists	如果给定的函数已经被定义就返回 TRUE
646	fwrite	写入文件（可安全用于二进制文件）

g
647	gc_disable	停用循环引用收集器
648	gc_enable	激活循环引用收集器
649	gc_enabled	返回循环引用计数器的状态
650	gc_mem_caches	Reclaims memory used by the Zend Engine memory manager
651	gd_info	取得当前安装的 GD 库的信息
652	gearman_client_clone	Create a copy of a GearmanClient object
653	gearman_client_context	Get the application context
654	gearman_client_do	Run a single task and return a result [deprecated]
655	gearman_client_echo	Send data to all job servers to see if they echo it back [deprecated]
656	gearman_client_error	Returns an error string for the last error encountered
657	gearman_client_timeout	Get current socket I/O activity timeout value
658	gearman_job_handle	Get the job handle
659	gearman_job_unique	Get the unique identifier
660	gearman_job_workload	Get workload
661	gearman_task_data	Get data returned for a task
662	gearman_task_unique	Get the unique identifier for a task
663	gearman_worker_clone	Create a copy of the worker
664	gearman_worker_echo	Test job server response
665	gearman_worker_error	Get the last error encountered
666	gearman_worker_options	Get worker options
667	gearman_worker_register	Register a function with the job server
668	gearman_worker_timeout	Get socket I/O activity timeout
669	gearman_worker_unregister	Unregister a function name with the job servers
670	gearman_worker_wait	Wait for activity from one of the job servers
671	gearman_worker_work	Wait for and perform jobs
672	gearmanclient::addoptions	Add client options
673	gearmanclient::addserver	Add a job server to the client
674	gearmanclient::addservers	Add a list of job servers to the client
675	gearmanclient::addtask	Add a task to be run in parallel
676	gearmanclient::addtaskbackground	Add a background task to be run in parallel
677	gearmanclient::addtaskhigh	Add a high priority task to run in parallel
678	gearmanclient::addtaskhighbackground	Add a high priority background task to be run in parallel
679	gearmanclient::addtasklow	Add a low priority task to run in parallel
680	gearmanclient::addtasklowbackground	Add a low priority background task to be run in parallel
681	gearmanclient::addtaskstatus	Add a task to get status
682	gearmanclient::clearcallbacks	Clear all task callback functions
683	gearmanclient::context	Get the application context
684	gearmanclient::dobackground	Run a task in the background
685	gearmanclient::dohigh	Run a single high priority task
686	gearmanclient::dohighbackground	Run a high priority task in the background
687	gearmanclient::dojobhandle	Get the job handle for the running task
688	gearmanclient::dolow	Run a single low priority task
689	gearmanclient::dolowbackground	Run a low priority task in the background
690	gearmanclient::donormal	Run a single task and return a result
691	gearmanclient::dostatus	Get the status for the running task
692	gearmanclient::error	Returns an error string for the last error encountered
693	gearmanclient::geterrno	Get an errno value
694	gearmanclient::jobstatus	Get the status of a background job
695	gearmanclient::removeoptions	Remove client options
696	gearmanclient::returncode	Get the last Gearman return code
697	gearmanclient::runtasks	Run a list of tasks in parallel
698	gearmanclient::setcompletecallback	Set a function to be called on task completion
699	gearmanclient::setcontext	Set application context
700	gearmanclient::setcreatedcallback	Set a callback for when a task is queued
701	gearmanclient::setdatacallback	Callback function when there is a data packet for a task
702	gearmanclient::setexceptioncallback	Set a callback for worker exceptions
703	gearmanclient::setfailcallback	Set callback for job failure
704	gearmanclient::setoptions	Set client options
705	gearmanclient::setstatuscallback	Set a callback for collecting task status
706	gearmanclient::settimeout	Set socket I/O activity timeout
707	gearmanclient::setwarningcallback	Set a callback for worker warnings
708	gearmanclient::setworkloadcallback	Set a callback for accepting incremental data updates
709	gearmanclient::timeout	Get current socket I/O activity timeout value
710	gearmanjob::functionname	Get function name
711	gearmanjob::handle	Get the job handle
712	gearmanjob::returncode	Get last return code
713	gearmanjob::sendcomplete	Send the result and complete status
714	gearmanjob::senddata	Send data for a running job
715	gearmanjob::sendexception	Send exception for running job (exception)
716	gearmanjob::sendfail	Send fail status
717	gearmanjob::sendstatus	Send status
718	gearmanjob::sendwarning	Send a warning
719	gearmanjob::setreturn	Set a return value
720	gearmanjob::unique	Get the unique identifier
721	gearmanjob::workload	Get workload
722	gearmanjob::workloadsize	Get size of work load
723	gearmantask::data	Get data returned for a task
724	gearmantask::datasize	Get the size of returned data
725	gearmantask::functionname	Get associated function name
726	gearmantask::isknown	Determine if task is known
727	gearmantask::isrunning	Test whether the task is currently running
728	gearmantask::jobhandle	Get the job handle
729	gearmantask::recvdata	Read work or result data into a buffer for a task
730	gearmantask::returncode	Get the last return code
731	gearmantask::sendworkload	Send data for a task
732	gearmantask::taskdenominator	Get completion percentage denominator
733	gearmantask::tasknumerator	Get completion percentage numerator
734	gearmantask::unique	Get the unique identifier for a task
735	gearmanworker::addfunction	Register and add callback function
736	gearmanworker::addoptions	Add worker options
737	gearmanworker::addserver	Add a job server
738	gearmanworker::addservers	Add job servers
739	gearmanworker::error	Get the last error encountered
740	gearmanworker::geterrno	Get errno
741	gearmanworker::options	Get worker options
742	gearmanworker::register	Register a function with the job server
743	gearmanworker::removeoptions	Remove worker options
744	gearmanworker::returncode	Get last Gearman return code
745	gearmanworker::setid	Give the worker an identifier so it can be tracked when asking gearmand for the list of available workers
746	gearmanworker::setoptions	Set worker options
747	gearmanworker::settimeout	Set socket I/O activity timeout
748	gearmanworker::timeout	Get socket I/O activity timeout
749	gearmanworker::unregister	Unregister a function name with the job servers
750	gearmanworker::unregisterall	Unregister all function names with the job servers
751	gearmanworker::wait	Wait for activity from one of the job servers
752	gearmanworker::work	Wait for and perform jobs
753	geoip_continent_code_by_name	获取七大洲的大写字母简称
754	geoip_country_code3_by_name	获取三个字母组成的国家简称
755	geoip_country_code_by_name	获取国家代码
756	geoip_country_name_by_name	获取国家的全称
757	geoip_database_info	获取 GeoIP 数据库的信息
758	geoip_db_avail	GeoIP 数据库是否可用
759	geoip_db_filename	返回 GeoIP 数据库相对应的文件名
760	geoip_db_get_all_info	返回所有 GeoIP 数据库类型的详细信息
761	geoip_id_by_name	获取网络连接类型
762	geoip_isp_by_name	获取 ISP (网络服务提供商)的名称
763	geoip_org_by_name	获取机构的名称
764	geoip_record_by_name	返回 GeoIP 数据库中详细的城市信息
765	geoip_region_by_name	获取国家和地区代码
766	geoip_region_name_by_code	返回给定的国家和地区代码组合所对应的地区名称
767	geoip_time_zone_by_country_and_region	返回国家和地区的时区
768	get_browser	获取浏览器具有的功能
769	get_called_class	后期静态绑定（"Late Static Binding"）类的名称
770	get_cfg_var	获取 PHP 配置选项的值
771	get_class	返回对象的类名
772	get_class_methods	返回由类的方法名组成的数组
773	get_class_vars	返回由类的默认属性组成的数组
774	get_current_user	获取当前 PHP 脚本所有者名称
775	get_declared_classes	返回由已定义类的名字所组成的数组
776	get_declared_interfaces	返回一个数组包含所有已声明的接口
777	get_declared_traits	返回所有已定义的 traits 的数组
778	get_defined_constants	返回所有常量的关联数组，键是常量名，值是常量值
779	get_defined_functions	返回所有已定义函数的数组
780	get_defined_vars	返回由所有已定义变量所组成的数组
781	get_extension_funcs	返回模块函数名称的数组
782	get_headers	取得服务器响应一个 HTTP 请求所发送的所有标头
783	get_html_translation_table	返回使用 htmlspecialchars() 和 htmlentities() 后的转换表
784	get_include_path	获取当前的 include_path 配置选项
785	get_included_files	返回被 include 和 require 文件名的 array
786	get_loaded_extensions	返回所有编译并加载模块名的 array
787	get_magic_quotes_gpc	获取当前 magic_quotes_gpc 的配置选项设置
788	get_magic_quotes_runtime	获取当前 magic_quotes_runtime 配置选项的激活状态
789	get_meta_tags	从一个文件中提取所有的 meta 标签 content 属性，返回一个数组
790	get_object_vars	返回由对象属性组成的关联数组
791	get_parent_class	返回对象或类的父类名
792	get_required_files	别名 get_included_files()
793	get_resource_type	返回资源（resource）类型
794	get_resources	Returns active resources
795	getallheaders	获取全部 HTTP 请求头信息
796	getcwd	取得当前工作目录
797	getdate	取得日期／时间信息
798	getenv	获取一个环境变量的值
799	gethostbyaddr	获取指定的IP地址对应的主机名
800	gethostbyname	返回主机名对应的 IPv4地址。
801	gethostbynamel	获取互联网主机名对应的 IPv4 地址列表
802	gethostname	获取主机名
803	getimagesize	取得图像大小
804	getimagesizefromstring	从字符串中获取图像尺寸信息
805	getlastmod	获取页面最后修改的时间
806	getmxrr	获取互联网主机名对应的 MX 记录
807	getmygid	获取当前 PHP 脚本拥有者的 GID
808	getmypid	获取 PHP 进程的 ID
809	getmyuid	获取 PHP 脚本所有者的 UID
810	getopt	从命令行参数列表中获取选项
811	getprotobyname	Get protocol number associated with protocol name
812	getprotobynumber	Get protocol name associated with protocol number
813	getrandmax	显示随机数最大的可能值
814	getrusage	获取当前资源使用状况
815	getservbyname	获取互联网服务协议对应的端口
816	getservbyport	Get Internet service which corresponds to port and protocol
817	gettext	Lookup a message in the current domain
818	gettimeofday	取得当前时间
819	gettype	获取变量的类型
820	glob	寻找与模式匹配的文件路径
821	gmdate	格式化一个 GMT/UTC 日期／时间
822	gmmktime	取得 GMT 日期的 UNIX 时间戳
823	gmp_abs	Absolute value
824	gmp_add	Add numbers
825	gmp_and	Bitwise AND
826	gmp_clrbit	Clear bit
827	gmp_cmp	Compare numbers
828	gmp_com	Calculates one‘s complement
829	gmp_div	别名 gmp_div_q()
830	gmp_div_q	Divide numbers
831	gmp_div_qr	Divide numbers and get quotient and remainder
832	gmp_div_r	Remainder of the division of numbers
833	gmp_divexact	Exact division of numbers
834	gmp_export	Export to a binary string
835	gmp_fact	Factorial
836	gmp_gcd	Calculate GCD
837	gmp_gcdext	Calculate GCD and multipliers
838	gmp_hamdist	Hamming distance
839	gmp_import	Import from a binary string
840	gmp_init	Create GMP number
841	gmp_intval	Convert GMP number to integer
842	gmp_invert	Inverse by modulo
843	gmp_jacobi	Jacobi symbol
844	gmp_legendre	Legendre symbol
845	gmp_mod	Modulo operation
846	gmp_mul	Multiply numbers
847	gmp_neg	Negate number
848	gmp_nextprime	Find next prime number
849	gmp_or	Bitwise OR
850	gmp_perfect_square	Perfect square check
851	gmp_popcount	Population count
852	gmp_pow	Raise number into power
853	gmp_powm	Raise number into power with modulo
854	gmp_prob_prime	Check if number is "probably prime"
855	gmp_random	Random number
856	gmp_random_seed	Sets the RNG seed
857	gmp_root	Take the integer part of nth root
858	gmp_rootrem	Take the integer part and remainder of nth root
859	gmp_scan0	Scan for 0
860	gmp_scan1	Scan for 1
861	gmp_setbit	Set bit
862	gmp_sign	Sign of number
863	gmp_sqrt	Calculate square root
864	gmp_sqrtrem	Square root with remainder
865	gmp_strval	Convert GMP number to string
866	gmp_sub	Subtract numbers
867	gmp_testbit	Tests if a bit is set
868	gmp_xor	Bitwise XOR
869	gmstrftime	根据区域设置格式化 GMT/UTC 时间／日期
870	grapheme_extract	Function to extract a sequence of default grapheme clusters from a text buffer, which must be encoded in UTF-8
871	grapheme_stripos	Find position (in grapheme units) of first occurrence of a case-insensitive string
872	grapheme_stristr	Returns part of haystack string from the first occurrence of case-insensitive needle to the end of haystack
873	grapheme_strlen	Get string length in grapheme units
874	grapheme_strpos	Find position (in grapheme units) of first occurrence of a string
875	grapheme_strripos	Find position (in grapheme units) of last occurrence of a case-insensitive string
876	grapheme_strrpos	Find position (in grapheme units) of last occurrence of a string
877	grapheme_strstr	Returns part of haystack string from the first occurrence of needle to the end of haystack
878	grapheme_substr	Return part of a string
879	gregoriantojd	转变一个Gregorian历法日期到Julian Day计数
880	gzclose	Close an open gz-file pointer
881	gzcompress	Compress a string
882	gzdecode	Decodes a gzip compressed string
883	gzdeflate	Deflate a string
884	gzencode	Create a gzip compressed string
885	gzeof	Test for EOF on a gz-file pointer
886	gzfile	Read entire gz-file into an array
887	gzgetc	Get character from gz-file pointer
888	gzgets	Get line from file pointer
889	gzgetss	Get line from gz-file pointer and strip HTML tags
890	gzinflate	Inflate a deflated string
891	gzopen	Open gz-file
892	gzpassthru	Output all remaining data on a gz-file pointer
893	gzputs	别名 gzwrite()
894	gzread	Binary-safe gz-file read
895	gzrewind	Rewind the position of a gz-file pointer
896	gzseek	Seek on a gz-file pointer
897	gztell	Tell gz-file pointer read/write position
898	gzuncompress	Uncompress a compressed string
899	gzwrite	Binary-safe gz-file write

h
900	hash_algos	返回已注册的哈希算法列表
901	hash_copy	拷贝哈希运算上下文
902	hash_equals	可防止时序攻击的字符串比较
903	hash_file	使用给定文件的内容生成哈希值
904	hash_final	结束增量哈希，并且返回摘要结果
905	hash_hmac	使用 HMAC 方法生成带有密钥的哈希值
906	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
907	hash_init	初始化增量哈希运算上下文
908	hash_pbkdf2	生成所提供密码的 PBKDF2 密钥导出
909	hash_update	向活跃的哈希运算上下文中填充数据
910	hash_update_file	从文件向活跃的哈希运算上下文中填充数据
911	hash_update_stream	从打开的流向活跃的哈希运算上下文中填充数据
912	header	发送原生 HTTP 头
913	header_register_callback	调用一个 header 函数
914	header_remove	删除之前设置的 HTTP 头
915	headers_list	返回已发送的 HTTP 响应头（或准备发送的）
916	headers_sent	检测 HTTP 头是否已经发送
917	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）
918	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），并且转换换行符
919	hex2bin	转换十六进制字符串为二进制字符串
920	hexdec	十六进制转换为十进制
921	highlight_file	语法高亮一个文件
922	highlight_string	字符串的语法高亮
923	html_entity_decode	Convert all HTML entities to their applicable characters
924	htmlentities	将字符转换为 HTML 转义字符
925	htmlspecialchars	将特殊字符转换为 HTML 实体
926	htmlspecialchars_decode	将特殊的 HTML 实体转换回普通字符
927	http_build_query	生成 URL-encode 之后的请求字符串
928	http_response_code	获取/设置响应的 HTTP 状态码
929	hypot	计算一直角三角形的斜边长度

i
930	ibase_affected_rows	Return the number of rows that were affected by the previous query
931	ibase_backup	Initiates a backup task in the service manager and returns immediately
932	ibase_blob_add	Add data into a newly created blob
933	ibase_blob_cancel	Cancel creating blob
934	ibase_blob_close	Close blob
935	ibase_blob_create	Create a new blob for adding data
936	ibase_blob_echo	Output blob contents to browser
937	ibase_blob_get	Get len bytes data from open blob
938	ibase_blob_import	Create blob, copy file in it, and close it
939	ibase_blob_info	Return blob length and other useful info
940	ibase_blob_open	Open blob for retrieving data parts
941	ibase_close	Close a connection to an InterBase database
942	ibase_commit	Commit a transaction
943	ibase_commit_ret	Commit a transaction without closing it
944	ibase_connect	Open a connection to a database
945	ibase_db_info	Request statistics about a database
946	ibase_delete_user	Delete a user from a security database
947	ibase_drop_db	Drops a database
948	ibase_errcode	Return an error code
949	ibase_errmsg	Return error messages
950	ibase_execute	Execute a previously prepared query
951	ibase_fetch_assoc	Fetch a result row from a query as an associative array
952	ibase_fetch_object	Get an object from a InterBase database
953	ibase_fetch_row	Fetch a row from an InterBase database
954	ibase_field_info	Get information about a field
955	ibase_free_event_handler	Cancels a registered event handler
956	ibase_free_query	Free memory allocated by a prepared query
957	ibase_free_result	Free a result set
958	ibase_gen_id	Increments the named generator and returns its new value
959	ibase_maintain_db	Execute a maintenance command on the database server
960	ibase_modify_user	Modify a user to a security database
961	ibase_name_result	Assigns a name to a result set
962	ibase_num_fields	Get the number of fields in a result set
963	ibase_num_params	Return the number of parameters in a prepared query
964	ibase_param_info	Return information about a parameter in a prepared query
965	ibase_pconnect	Open a persistent connection to an InterBase database
966	ibase_prepare	Prepare a query for later binding of parameter placeholders and execution
967	ibase_query	Execute a query on an InterBase database
968	ibase_restore	Initiates a restore task in the service manager and returns immediately
969	ibase_rollback	Roll back a transaction
970	ibase_rollback_ret	Roll back a transaction without closing it
971	ibase_server_info	Request information about a database server
972	ibase_service_attach	Connect to the service manager
973	ibase_service_detach	Disconnect from the service manager
974	ibase_set_event_handler	Register a callback function to be called when events are posted
975	ibase_trans	Begin a transaction
976	ibase_wait_event	Wait for an event to be posted by the database
977	iconv	字符串按要求的字符编码来转换
978	iconv_get_encoding	获取 iconv 扩展的内部配置变量
979	iconv_mime_decode	解码一个MIME头字段
980	iconv_mime_decode_headers	一次性解码多个 MIME 头字段
981	iconv_mime_encode	Composes a MIME header field
982	iconv_set_encoding	为字符编码转换设定当前设置
983	iconv_strlen	返回字符串的字符数统计
984	iconv_strpos	Finds position of first occurrence of a needle within a haystack
985	iconv_strrpos	Finds the last occurrence of a needle within a haystack
986	iconv_substr	截取字符串的部分
987	idate	将本地时间日期格式化为整数
988	idn_to_ascii	Convert domain name to IDNA ASCII form
989	idn_to_utf8	Convert domain name from IDNA ASCII to Unicode
990	ignore_user_abort	设置客户端断开连接时是否中断脚本的执行
991	image2wbmp	以 WBMP 格式将图像输出到浏览器或文件
992	image_type_to_extension	取得图像类型的文件后缀
993	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
994	imageaffine	返回经过仿射变换后的图像，剪切区域可选
995	imageaffinematrixconcat	Concatenate two affine transformation matrices
996	imageaffinematrixget	Get an affine transformation matrix
997	imagealphablending	设定图像的混色模式
998	imageantialias	是否使用抗锯齿（antialias）功能
999	imagearc	画椭圆弧
1000	imagechar	水平地画一个字符
1001	imagecharup	垂直地画一个字符
1002	imagecolorallocate	为一幅图像分配颜色
1003	imagecolorallocatealpha	为一幅图像分配颜色 + alpha
1004	imagecolorat	取得某像素的颜色索引值
1005	imagecolorclosest	取得与指定的颜色最接近的颜色的索引值
1006	imagecolorclosestalpha	取得与指定的颜色加透明度最接近的颜色
1007	imagecolorclosesthwb	取得与给定颜色最接近的色度的黑白色的索引
1008	imagecolordeallocate	取消图像颜色的分配
1009	imagecolorexact	取得指定颜色的索引值
1010	imagecolorexactalpha	取得指定的颜色加透明度的索引值
1011	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
1012	imagecolorresolve	取得指定颜色的索引值或有可能得到的最接近的替代值
1013	imagecolorresolvealpha	取得指定颜色 + alpha 的索引值或有可能得到的最接近的替代值
1014	imagecolorset	给指定调色板索引设定颜色
1015	imagecolorsforindex	取得某索引的颜色
1016	imagecolorstotal	取得一幅图像的调色板中颜色的数目
1017	imagecolortransparent	将某个颜色定义为透明色
1018	imageconvolution	用系数 div 和 offset 申请一个 3x3 的卷积矩阵
1019	imagecopy	拷贝图像的一部分
1020	imagecopymerge	拷贝并合并图像的一部分
1021	imagecopymergegray	用灰度拷贝并合并图像的一部分
1022	imagecopyresampled	重采样拷贝部分图像并调整大小
1023	imagecopyresized	拷贝部分图像并调整大小
1024	imagecreate	新建一个基于调色板的图像
1025	imagecreatefromgd	从 GD 文件或 URL 新建一图像
1026	imagecreatefromgd2	从 GD2 文件或 URL 新建一图像
1027	imagecreatefromgd2part	从给定的 GD2 文件或 URL 中的部分新建一图像
1028	imagecreatefromgif	由文件或 URL 创建一个新图象。
1029	imagecreatefromjpeg	由文件或 URL 创建一个新图象。
1030	imagecreatefrompng	由文件或 URL 创建一个新图象。
1031	imagecreatefromstring	从字符串中的图像流新建一图像
1032	imagecreatefromwbmp	由文件或 URL 创建一个新图象。
1033	imagecreatefromxbm	由文件或 URL 创建一个新图象。
1034	imagecreatefromxpm	由文件或 URL 创建一个新图象。
1035	imagecreatetruecolor	新建一个真彩色图像
1036	imagecrop	Crop an image to the given rectangle
1037	imagecropauto	Crop an image automatically using one of the available modes
1038	imagedashedline	画一虚线
1039	imagedestroy	销毁一图像
1040	imageellipse	画一个椭圆
1041	imagefill	区域填充
1042	imagefilledarc	画一椭圆弧且填充
1043	imagefilledellipse	画一椭圆并填充
1044	imagefilledpolygon	画一多边形并填充
1045	imagefilledrectangle	画一矩形并填充
1046	imagefilltoborder	区域填充到指定颜色的边界为止
1047	imagefilter	对图像使用过滤器
1048	imageflip	Flips an image using a given mode
1049	imagefontheight	取得字体高度
1050	imagefontwidth	取得字体宽度
1051	imageftbbox	给出一个使用 FreeType 2 字体的文本框
1052	imagefttext	使用 FreeType 2 字体将文本写入图像
1053	imagegammacorrect	对 GD 图像应用 gamma 修正
1054	imagegd	将 GD 图像输出到浏览器或文件
1055	imagegd2	将 GD2 图像输出到浏览器或文件
1056	imagegif	输出图象到浏览器或文件。
1057	imageinterlace	激活或禁止隔行扫描
1058	imageistruecolor	检查图像是否为真彩色图像
1059	imagejpeg	输出图象到浏览器或文件。
1060	imagelayereffect	设定 alpha 混色标志以使用绑定的 libgd 分层效果
1061	imageline	画一条线段
1062	imageloadfont	载入一新字体
1063	imagepalettecopy	将调色板从一幅图像拷贝到另一幅
1064	imagepalettetotruecolor	Converts a palette based image to true color
1065	imagepng	以 PNG 格式将图像输出到浏览器或文件
1066	imagepolygon	画一个多边形
1067	imagepsbbox	给出一个使用 PostScript Type1 字体的文本方框
1068	imagepsencodefont	改变字体中的字符编码矢量
1069	imagepsextendfont	扩充或精简字体
1070	imagepsfreefont	释放一个 PostScript Type 1 字体所占用的内存
1071	imagepsloadfont	从文件中加载一个 PostScript Type 1 字体
1072	imagepsslantfont	倾斜某字体
1073	imagepstext	用 PostScript Type1 字体把文本字符串画在图像上
1074	imagerectangle	画一个矩形
1075	imagerotate	用给定角度旋转图像
1076	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）
1077	imagescale	Scale an image using the given new width and height
1078	imagesetbrush	设定画线用的画笔图像
1079	imagesetinterpolation	Set the interpolation method
1080	imagesetpixel	画一个单一像素
1081	imagesetstyle	设定画线的风格
1082	imagesetthickness	设定画线的宽度
1083	imagesettile	设定用于填充的贴图
1084	imagestring	水平地画一行字符串
1085	imagestringup	垂直地画一行字符串
1086	imagesx	取得图像宽度
1087	imagesy	取得图像高度
1088	imagetruecolortopalette	将真彩色图像转换为调色板图像
1089	imagettfbbox	取得使用 TrueType 字体的文本的范围
1090	imagettftext	用 TrueType 字体向图像写入文本
1091	imagetypes	返回当前 PHP 版本所支持的图像类型
1092	imagewbmp	以 WBMP 格式将图像输出到浏览器或文件
1093	imagexbm	将 XBM 图像输出到浏览器或文件
1094	imap_8bit	Convert an 8bit string to a quoted-printable string
1095	imap_alerts	Returns all IMAP alert messages that have occurred
1096	imap_append	Append a string message to a specified mailbox
1097	imap_base64	Decode BASE64 encoded text
1098	imap_binary	Convert an 8bit string to a base64 string
1099	imap_body	Read the message body
1100	imap_bodystruct	Read the structure of a specified body section of a specific message
1101	imap_check	Check current mailbox
1102	imap_clearflag_full	Clears flags on messages
1103	imap_close	Close an IMAP stream
1104	imap_create	别名 imap_createmailbox()
1105	imap_createmailbox	Create a new mailbox
1106	imap_delete	Mark a message for deletion from current mailbox
1107	imap_deletemailbox	Delete a mailbox
1108	imap_errors	Returns all of the IMAP errors that have occurred
1109	imap_expunge	Delete all messages marked for deletion
1110	imap_fetch_overview	Read an overview of the information in the headers of the given message
1111	imap_fetchbody	Fetch a particular section of the body of the message
1112	imap_fetchheader	Returns header for a message
1113	imap_fetchmime	Fetch MIME headers for a particular section of the message
1114	imap_fetchstructure	Read the structure of a particular message
1115	imap_fetchtext	别名 imap_body()
1116	imap_gc	Clears IMAP cache
1117	imap_get_quota	Retrieve the quota level settings, and usage statics per mailbox
1118	imap_get_quotaroot	Retrieve the quota settings per user
1119	imap_getacl	Gets the ACL for a given mailbox
1120	imap_getmailboxes	Read the list of mailboxes, returning detailed information on each one
1121	imap_getsubscribed	List all the subscribed mailboxes
1122	imap_header	别名 imap_headerinfo()
1123	imap_headerinfo	Read the header of the message
1124	imap_headers	Returns headers for all messages in a mailbox
1125	imap_last_error	Gets the last IMAP error that occurred during this page request
1126	imap_list	Read the list of mailboxes
1127	imap_listmailbox	别名 imap_list()
1128	imap_listscan	Returns the list of mailboxes that matches the given text
1129	imap_listsubscribed	别名 imap_lsub()
1130	imap_lsub	List all the subscribed mailboxes
1131	imap_mail	Send an email message
1132	imap_mail_compose	Create a MIME message based on given envelope and body sections
1133	imap_mail_copy	Copy specified messages to a mailbox
1134	imap_mail_move	Move specified messages to a mailbox
1135	imap_mailboxmsginfo	Get information about the current mailbox
1136	imap_mime_header_decode	Decode MIME header elements
1137	imap_msgno	Gets the message sequence number for the given UID
1138	imap_num_msg	Gets the number of messages in the current mailbox
1139	imap_num_recent	Gets the number of recent messages in current mailbox
1140	imap_open	Open an IMAP stream to a mailbox
1141	imap_ping	Check if the IMAP stream is still active
1142	imap_qprint	Convert a quoted-printable string to an 8 bit string
1143	imap_rename	别名 imap_renamemailbox()
1144	imap_renamemailbox	Rename an old mailbox to new mailbox
1145	imap_reopen	Reopen IMAP stream to new mailbox
1146	imap_rfc822_parse_adrlist	Parses an address string
1147	imap_rfc822_parse_headers	Parse mail headers from a string
1148	imap_rfc822_write_address	Returns a properly formatted email address given the mailbox, host, and personal info
1149	imap_savebody	Save a specific body section to a file
1150	imap_scan	别名 imap_listscan()
1151	imap_scanmailbox	别名 imap_listscan()
1152	imap_search	This function returns an array of messages matching the given search criteria
1153	imap_set_quota	Sets a quota for a given mailbox
1154	imap_setacl	Sets the ACL for a given mailbox
1155	imap_setflag_full	Sets flags on messages
1156	imap_sort	Gets and sort messages
1157	imap_status	Returns status information on a mailbox
1158	imap_subscribe	Subscribe to a mailbox
1159	imap_thread	Returns a tree of threaded message
1160	imap_timeout	Set or fetch imap timeout
1161	imap_uid	This function returns the UID for the given message sequence number
1162	imap_undelete	Unmark the message which is marked deleted
1163	imap_unsubscribe	Unsubscribe from a mailbox
1164	imap_utf7_decode	Decodes a modified UTF-7 encoded string
1165	imap_utf7_encode	Converts ISO-8859-1 string to modified UTF-7 text
1166	imap_utf8	Converts MIME-encoded text to UTF-8
1167	implode	将一个一维数组的值转化为字符串
1168	import_request_variables	将 GET／POST／Cookie 变量导入到全局作用域中
1169	in_array	检查数组中是否存在某个值
1170	inet_ntop	Converts a packed internet address to a human readable representation
1171	inet_pton	Converts a human readable IP address to its packed in_addr representation
1172	inflate_add	Incrementally inflate encoded data
1173	inflate_init	Initialize an incremental inflate context
1174	ini_alter	别名 ini_set()
1175	ini_get	获取一个配置选项的值
1176	ini_get_all	获取所有配置选项
1177	ini_restore	恢复配置选项的值
1178	ini_set	为一个配置选项设置值
1179	inotify_add_watch	Add a watch to an initialized inotify instance
1180	inotify_init	Initialize an inotify instance
1181	inotify_queue_len	Return a number upper than zero if there are pending events
1182	inotify_read	Read events from an inotify instance
1183	inotify_rm_watch	Remove an existing watch from an inotify instance
1184	intdiv	对除法结果取整
1185	interface_exists	检查接口是否已被定义
1186	intl_error_name	Get symbolic name for a given error code
1187	intl_get_error_code	Get the last error code
1188	intl_get_error_message	Get description of the last error
1189	intl_is_failure	Check whether the given error code indicates failure
1190	intlcalendar::add	Add a (signed) amount of time to a field
1191	intlcalendar::after	Whether this object?s time is after that of the passed object
1192	intlcalendar::before	Whether this object?s time is before that of the passed object
1193	intlcalendar::clear	Clear a field or all fields
1194	intlcalendar::equals	Compare time of two IntlCalendar objects for equality
1195	intlcalendar::fielddifference	Calculate difference between given time and this object?s time
1196	intlcalendar::get	Get the value for a field
1197	intlcalendar::getactualmaximum	The maximum value for a field, considering the object?s current time
1198	intlcalendar::getactualminimum	The minimum value for a field, considering the object?s current time
1199	intlcalendar::getdayofweektype	Tell whether a day is a weekday, weekend or a day that has a transition between the two
1200	intlcalendar::geterrorcode	Get last error code on the object
1201	intlcalendar::geterrormessage	Get last error message on the object
1202	intlcalendar::getfirstdayofweek	Get the first day of the week for the calendar?s locale
1203	intlcalendar::getgreatestminimum	Get the largest local minimum value for a field
1204	intlcalendar::getleastmaximum	Get the smallest local maximum for a field
1205	intlcalendar::getlocale	Get the locale associated with the object
1206	intlcalendar::getmaximum	Get the global maximum value for a field
1207	intlcalendar::getminimaldaysinfirstweek	Get minimal number of days the first week in a year or month can have
1208	intlcalendar::getminimum	Get the global minimum value for a field
1209	intlcalendar::getrepeatedwalltimeoption	Get behavior for handling repeating wall time
1210	intlcalendar::getskippedwalltimeoption	Get behavior for handling skipped wall time
1211	intlcalendar::gettime	Get time currently represented by the object
1212	intlcalendar::gettimezone	Get the object?s timezone
1213	intlcalendar::gettype	Get the calendar type
1214	intlcalendar::getweekendtransition	Get time of the day at which weekend begins or ends
1215	intlcalendar::indaylighttime	Whether the object?s time is in Daylight Savings Time
1216	intlcalendar::isequivalentto	Whether another calendar is equal but for a different time
1217	intlcalendar::islenient	Whether date/time interpretation is in lenient mode
1218	intlcalendar::isweekend	Whether a certain date/time is in the weekend
1219	intlcalendar::roll	Add value to field without carrying into more significant fields
1220	intlcalendar::set	Set a time field or several common fields at once
1221	intlcalendar::setfirstdayofweek	Set the day on which the week is deemed to start
1222	intlcalendar::setlenient	Set whether date/time interpretation is to be lenient
1223	intlcalendar::setrepeatedwalltimeoption	Set behavior for handling repeating wall times at negative timezone offset transitions
1224	intlcalendar::setskippedwalltimeoption	Set behavior for handling skipped wall times at positive timezone offset transitions
1225	intlcalendar::settime	Set the calendar time in milliseconds since the epoch
1226	intlcalendar::settimezone	Set the timezone used by this calendar
1227	intlcalendar::todatetime	Convert an IntlCalendar into a DateTime object
1228	intldateformatter::format	Format the date/time value as a string
1229	intldateformatter::formatobject	Formats an object
1230	intldateformatter::getcalendar	Get the calendar type used for the IntlDateFormatter
1231	intldateformatter::getcalendarobject	Get copy of formatter?s calendar object
1232	intldateformatter::getdatetype	Get the datetype used for the IntlDateFormatter
1233	intldateformatter::geterrorcode	Get the error code from last operation
1234	intldateformatter::geterrormessage	Get the error text from the last operation
1235	intldateformatter::getlocale	Get the locale used by formatter
1236	intldateformatter::getpattern	Get the pattern used for the IntlDateFormatter
1237	intldateformatter::gettimetype	Get the timetype used for the IntlDateFormatter
1238	intldateformatter::gettimezone	Get formatter?s timezone
1239	intldateformatter::gettimezoneid	Get the timezone-id used for the IntlDateFormatter
1240	intldateformatter::islenient	Get the lenient used for the IntlDateFormatter
1241	intldateformatter::localtime	Parse string to a field-based time value
1242	intldateformatter::parse	Parse string to a timestamp value
1243	intldateformatter::setcalendar	Sets the calendar type used by the formatter
1244	intldateformatter::setlenient	Set the leniency of the parser
1245	intldateformatter::setpattern	Set the pattern used for the IntlDateFormatter
1246	intldateformatter::settimezone	Sets formatter?s timezone
1247	intldateformatter::settimezoneid	Sets the time zone to use
1248	intltimezone::getdisplayname	Get a name of this time zone suitable for presentation to the user
1249	intltimezone::getdstsavings	Get the amount of time to be added to local standard time to get local wall clock time
1250	intltimezone::geterrorcode	Get last error code on the object
1251	intltimezone::geterrormessage	Get last error message on the object
1252	intltimezone::getid	Get timezone ID
1253	intltimezone::getoffset	Get the time zone raw and GMT offset for the given moment in time
1254	intltimezone::getrawoffset	Get the raw GMT offset (before taking daylight savings time into account
1255	intltimezone::hassamerules	Check if this zone has the same rules and offset as another zone
1256	intltimezone::todatetimezone	Convert to DateTimeZone object
1257	intltimezone::usedaylighttime	Check if this time zone uses daylight savings time
1258	intval	获取变量的整数值
1259	ip2long	将 IPV4 的字符串互联网协议转换成长整型数字
1260	iptcembed	将二进制 IPTC 数据嵌入到一幅 JPEG 图像中
1261	iptcparse	将二进制 IPTC 块解析为单个标记
1262	is_a	如果对象属于该类或该类是此对象的父类则返回 TRUE
1263	is_array	检测变量是否是数组
1264	is_bool	检测变量是否是布尔型
1265	is_callable	检测参数是否为合法的可调用结构
1266	is_dir	判断给定文件名是否是一个目录
1267	is_double	is_float() 的别名
1268	is_executable	判断给定文件名是否可执行
1269	is_file	判断给定文件名是否为一个正常的文件
1270	is_finite	判断是否为有限值
1271	is_float	检测变量是否是浮点型
1272	is_infinite	判断是否为无限值
1273	is_int	检测变量是否是整数
1274	is_integer	is_int() 的别名
1275	is_iterable	Verify that the contents of a variable is an iterable value
1276	is_link	判断给定文件名是否为一个符号连接
1277	is_long	is_int() 的别名
1278	is_nan	判断是否为合法数值
1279	is_null	检测变量是否为 NULL
1280	is_numeric	检测变量是否为数字或数字字符串
1281	is_object	检测变量是否是一个对象
1282	is_readable	判断给定文件名是否可读
1283	is_real	is_float() 的别名
1284	is_resource	检测变量是否为资源类型
1285	is_scalar	检测变量是否是一个标量
1286	is_soap_fault	Checks if a SOAP call has failed
1287	is_string	检测变量是否是字符串
1288	is_subclass_of	如果此对象是该类的子类，则返回 TRUE
1289	is_uploaded_file	判断文件是否是通过 HTTP POST 上传的
1290	is_writable	判断给定的文件名是否可写
1291	is_writeable	is_writable() 的别名
1292	iterator_apply	为迭代器中每个元素调用一个用户自定义函数
1293	iterator_count	计算迭代器中元素的个数
1294	iterator_to_array	将迭代器中的元素拷贝到数组

j
1295	jdmonthname	返回月份的名称
1296	jdtofrench	转变一个Julian Day计数到French Republican历法的日期
1297	jdtogregorian	转变一个Julian Day计数为Gregorian历法日期
1298	jdtojewish	转换一个julian天数为Jewish历法的日期
1299	jdtojulian	转变一个Julian Day计数到Julian历法的日期
1300	jdtounix	转变Julian Day计数为一个Unix时间戳
1301	jewishtojd	转变一个Jewish历法的日期为一个Julian Day计数
1302	join	别名 implode()
1303	jpeg2wbmp	将 JPEG 图像文件转换为 WBMP 图像文件
1304	json_decode	对 JSON 格式的字符串进行解码
1305	json_encode	对变量进行 JSON 编码
1306	json_last_error	返回最后发生的错误
1307	json_last_error_msg	Returns the error string of the last json_encode() or json_decode() call
1308	juliantojd	转变一个Julian历法的日期为Julian Day计数

k
1309	key_exists	别名 array_key_exists()
1310	krsort	对数组按照键名逆向排序
1311	ksort	对数组按照键名排序

l
1312	lcg_value	组合线性同余发生器
1313	lchgrp	修改符号链接的所有组
1314	lchown	修改符号链接的所有者
1315	ldap_add	Add entries to LDAP directory
1316	ldap_bind	绑定 LDAP 目录
1317	ldap_close	别名 ldap_unbind()
1318	ldap_compare	Compare value of attribute found in entry specified with DN
1319	ldap_connect	Connect to an LDAP server
1320	ldap_control_paged_result	Send LDAP pagination control
1321	ldap_control_paged_result_response	Retrieve the LDAP pagination cookie
1322	ldap_count_entries	Count the number of entries in a search
1323	ldap_delete	Delete an entry from a directory
1324	ldap_dn2ufn	Convert DN to User Friendly Naming format
1325	ldap_err2str	Convert LDAP error number into string error message
1326	ldap_errno	Return the LDAP error number of the last LDAP command
1327	ldap_error	Return the LDAP error message of the last LDAP command
1328	ldap_escape	Escape a string for use in an LDAP filter or DN
1329	ldap_explode_dn	Splits DN into its component parts
1330	ldap_first_attribute	Return first attribute
1331	ldap_first_entry	Return first result id
1332	ldap_first_reference	Return first reference
1333	ldap_free_result	Free result memory
1334	ldap_get_attributes	Get attributes from a search result entry
1335	ldap_get_dn	Get the DN of a result entry
1336	ldap_get_entries	Get all result entries
1337	ldap_get_option	Get the current value for given option
1338	ldap_get_values	Get all values from a result entry
1339	ldap_get_values_len	Get all binary values from a result entry
1340	ldap_list	Single-level search
1341	ldap_mod_add	Add attribute values to current attributes
1342	ldap_mod_del	Delete attribute values from current attributes
1343	ldap_mod_replace	Replace attribute values with new ones
1344	ldap_modify	别名 ldap_mod_replace()
1345	ldap_modify_batch	Batch and execute modifications on an LDAP entry
1346	ldap_next_attribute	Get the next attribute in result
1347	ldap_next_entry	Get next result entry
1348	ldap_next_reference	Get next reference
1349	ldap_parse_reference	Extract information from reference entry
1350	ldap_parse_result	Extract information from result
1351	ldap_read	Read an entry
1352	ldap_rename	Modify the name of an entry
1353	ldap_sasl_bind	Bind to LDAP directory using SASL
1354	ldap_search	Search LDAP tree
1355	ldap_set_option	Set the value of the given option
1356	ldap_set_rebind_proc	Set a callback function to do re-binds on referral chasing
1357	ldap_sort	Sort LDAP result entries on the client side
1358	ldap_start_tls	Start TLS
1359	ldap_unbind	Unbind from LDAP directory
1360	levenshtein	计算两个字符串之间的编辑距离
1361	libxml_clear_errors	Clear libxml error buffer
1362	libxml_disable_entity_loader	Disable the ability to load external entities
1363	libxml_get_errors	Retrieve array of errors
1364	libxml_get_last_error	Retrieve last error from libxml
1365	libxml_set_external_entity_loader	Changes the default external entity loader
1366	libxml_set_streams_context	Set the streams context for the next libxml document load or write
1367	libxml_use_internal_errors	Disable libxml errors and allow user to fetch error information as needed
1368	link	建立一个硬连接
1369	linkinfo	获取一个连接的信息
1370	locale_canonicalize	Canonicalize the locale string
1371	locale_lookup	Searches the language tag list for the best match to the language
1372	localeconv	Get numeric formatting information
1373	localtime	取得本地时间
1374	log	自然对数
1375	log10	以 10 为底的对数
1376	log1p	返回 log(1 + number)，甚至当 number 的值接近零也能计算出准确结果
1377	long2ip	将长整型转化为字符串形式带点的互联网标准格式地址（IPV4）
1378	lstat	给出一个文件或符号连接的信息
1379	ltrim	删除字符串开头的空白字符（或其他字符）

m
1380	mail	发送邮件
1381	max	找出最大值
1382	mb_check_encoding	检查字符串在指定的编码里是否有效
1383	mb_convert_case	对字符串进行大小写转换
1384	mb_convert_encoding	转换字符的编码
1385	mb_convert_kana	Convert "kana" one from another ("zen-kaku", "han-kaku" and more)
1386	mb_convert_variables	转换一个或多个变量的字符编码
1387	mb_decode_mimeheader	解码 MIME 头字段中的字符串
1388	mb_decode_numericentity	根据 HTML 数字字符串解码成字符
1389	mb_detect_encoding	检测字符的编码
1390	mb_detect_order	设置/获取 字符编码的检测顺序
1391	mb_encode_mimeheader	为 MIME 头编码字符串
1392	mb_encode_numericentity	Encode character to HTML numeric string reference
1393	mb_encoding_aliases	Get aliases of a known encoding type
1394	mb_ereg	Regular expression match with multibyte support
1395	mb_ereg_match	Regular expression match for multibyte string
1396	mb_ereg_replace	Replace regular expression with multibyte support
1397	mb_ereg_replace_callback	Perform a regular expresssion seach and replace with multibyte support using a callback
1398	mb_ereg_search	Multibyte regular expression match for predefined multibyte string
1399	mb_ereg_search_getpos	Returns start point for next regular expression match
1400	mb_ereg_search_getregs	Retrieve the result from the last multibyte regular expression match
1401	mb_ereg_search_init	Setup string and regular expression for a multibyte regular expression match
1402	mb_ereg_search_pos	Returns position and length of a matched part of the multibyte regular expression for a predefined multibyte string
1403	mb_ereg_search_regs	Returns the matched part of a multibyte regular expression
1404	mb_ereg_search_setpos	Set start point of next regular expression match
1405	mb_eregi	Regular expression match ignoring case with multibyte support
1406	mb_eregi_replace	Replace regular expression with multibyte support ignoring case
1407	mb_get_info	获取 mbstring 的内部设置
1408	mb_http_input	检测 HTTP 输入字符编码
1409	mb_http_output	设置/获取 HTTP 输出字符编码
1410	mb_internal_encoding	设置/获取内部字符编码
1411	mb_language	设置/获取当前的语言
1412	mb_list_encodings	返回所有支持编码的数组
1413	mb_output_handler	在输出缓冲中转换字符编码的回调函数
1414	mb_parse_str	解析 GET/POST/COOKIE 数据并设置全局变量
1415	mb_preferred_mime_name	获取 MIME 字符串
1416	mb_regex_encoding	Set/Get character encoding for multibyte regex
1417	mb_regex_set_options	Set/Get the default options for mbregex functions
1418	mb_send_mail	发送编码过的邮件
1419	mb_split	使用正则表达式分割多字节字符串
1420	mb_strcut	获取字符的一部分
1421	mb_strimwidth	获取按指定宽度截断的字符串
1422	mb_stripos	大小写不敏感地查找字符串在另一个字符串中首次出现的位置
1423	mb_stristr	大小写不敏感地查找字符串在另一个字符串里的首次出现
1424	mb_strlen	获取字符串的长度
1425	mb_strpos	查找字符串在另一个字符串中首次出现的位置
1426	mb_strrchr	查找指定字符在另一个字符串中最后一次的出现
1427	mb_strrichr	大小写不敏感地查找指定字符在另一个字符串中最后一次的出现
1428	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
1429	mb_strrpos	查找字符串在一个字符串中最后出现的位置
1430	mb_strstr	查找字符串在另一个字符串里的首次出现
1431	mb_strtolower	使字符串小写
1432	mb_strtoupper	使字符串大写
1433	mb_strwidth	返回字符串的宽度
1434	mb_substitute_character	设置/获取替代字符
1435	mb_substr	获取部分字符串
1436	mb_substr_count	统计字符串出现的次数
1437	mcrypt_cbc	以 CBC 模式加解密数据
1438	mcrypt_cfb	以 CFB 模式加解密数据
1439	mcrypt_create_iv	从随机源创建初始向量
1440	mcrypt_decrypt	使用给定参数解密密文
1441	mcrypt_ecb	已废弃：使用 ECB 模式加解密数据
1442	mcrypt_enc_get_algorithms_name	返回打开的算法名称
1443	mcrypt_enc_get_block_size	返回打开的算法的分组大小
1444	mcrypt_enc_get_iv_size	返回打开的算法的初始向量大小
1445	mcrypt_enc_get_key_size	返回打开的模式所能支持的最长密钥
1446	mcrypt_enc_get_modes_name	返回打开的模式的名称
1447	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
1448	mcrypt_enc_is_block_algorithm	检测打开模式的算法是否为分组算法
1449	mcrypt_enc_is_block_algorithm_mode	检测打开的模式是否支持分组加密
1450	mcrypt_enc_is_block_mode	检测打开的模式是否以分组方式输出
1451	mcrypt_enc_self_test	在打开的模块上进行自检
1452	mcrypt_encrypt	使用给定参数加密明文
1453	mcrypt_generic	加密数据
1454	mcrypt_generic_deinit	对加密模块进行清理工作
1455	mcrypt_generic_end	终止加密
1456	mcrypt_generic_init	初始化加密所需的缓冲区
1457	mcrypt_get_block_size	获得加密算法的分组大小
1458	mcrypt_get_cipher_name	获取加密算法名称
1459	mcrypt_get_iv_size	返回指定算法/模式组合的初始向量大小
1460	mcrypt_get_key_size	获取指定加密算法的密钥大小
1461	mcrypt_list_algorithms	获取支持的加密算法
1462	mcrypt_list_modes	获取所支持的模式
1463	mcrypt_module_close	关闭加密模块
1464	mcrypt_module_get_algo_block_size	返回指定算法的分组大小
1465	mcrypt_module_get_algo_key_size	获取打开模式所支持的最大密钥大小
1466	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
1467	mcrypt_module_is_block_algorithm	检测指定算法是否为分组加密算法
1468	mcrypt_module_is_block_algorithm_mode	返回指定模块是否是分组加密模式
1469	mcrypt_module_is_block_mode	检测指定模式是否以分组方式输出
1470	mcrypt_module_open	打开算法和模式对应的模块
1471	mcrypt_module_self_test	在指定模块上执行自检
1472	mcrypt_ofb	使用 OFB 模式加密/解密数据
1473	md5	计算字符串的 MD5 散列值
1474	md5_file	计算指定文件的 MD5 散列值
1475	mdecrypt_generic	解密数据
1476	memcache_add	增加一个条目到缓存服务器
1477	memcache_close	关闭memcache连接
1478	memcache_connect	打开一个memcached服务端连接
1479	memcache_debug	转换调试输出的开/关
1480	memcache_decrement	减小元素的值
1481	memcache_delete	从服务端删除一个元素
1482	memcache_flush	清洗（删除）已经存储的所有的元素
1483	memcache_get	从服务端检回一个元素
1484	memcache_increment	增加一个元素的值
1485	memcache_pconnect	打开一个到服务器的持久化连接
1486	memcache_replace	替换已经存在的元素的值
1487	memcache_set	Store data at the server
1488	memory_get_peak_usage	返回分配给 PHP 内存的峰值
1489	memory_get_usage	返回分配给 PHP 的内存量
1490	messageformatter::format	Format the message
1491	messageformatter::geterrorcode	Get the error code from last operation
1492	messageformatter::geterrormessage	Get the error text from the last operation
1493	messageformatter::getlocale	Get the locale for which the formatter was created
1494	messageformatter::getpattern	Get the pattern used by the formatter
1495	messageformatter::parse	Parse input string according to pattern
1496	messageformatter::setpattern	Set the pattern used by the formatter
1497	metaphone	Calculate the metaphone key of a string
1498	method_exists	检查类的方法是否存在
1499	mhash	Computes hash
1500	mhash_count	Gets the highest available hash ID
1501	mhash_get_block_size	Gets the block size of the specified hash
1502	mhash_get_hash_name	Gets the name of the specified hash
1503	mhash_keygen_s2k	Generates a key
1504	microtime	返回当前 Unix 时间戳和微秒数
1505	mime_content_type	检测文件的 MIME 类型
1506	min	找出最小值
1507	ming_keypress	Returns the action flag for keyPress(char)
1508	ming_setcubicthreshold	Set cubic threshold
1509	ming_setscale	Set the global scaling factor
1510	ming_setswfcompression	Sets the SWF output compression
1511	ming_useconstants	Use constant pool
1512	ming_useswfversion	Sets the SWF version
1513	mkdir	新建目录
1514	mktime	取得一个日期的 Unix 时间戳
1515	money_format	将数字格式化成货币字符串
1516	mongocollection::__tostring	String representation of this collection
1517	mongocollection::aggregate	Perform an aggregation using the aggregation framework
1518	mongocollection::aggregatecursor	Execute an aggregation pipeline command and retrieve results through a cursor
1519	mongocollection::batchinsert	Inserts multiple documents into this collection
1520	mongocollection::count	返回集合中的文档数量
1521	mongocollection::createdbref	创建一个数据库引用
1522	mongocollection::createindex	Creates an index on the specified field(s) if it does not already exist
1523	mongocollection::deleteindex	Deletes an index from this collection
1524	mongocollection::deleteindexes	删除集合的所有索引
1525	mongocollection::distinct	获取集合里指定键的不同值的列表。
1526	mongocollection::drop	删除该集合
1527	mongocollection::ensureindex	Creates an index on the specified field(s) if it does not already exist
1528	mongocollection::find	查询该集合，并返回结果集的 MongoCursor
1529	mongocollection::findandmodify	Update a document and return it
1530	mongocollection::findone	Queries this collection, returning a single element
1531	mongocollection::getdbref	Fetches the document pointed to by a database reference
1532	mongocollection::getindexinfo	Returns information about indexes on this collection
1533	mongocollection::getname	返回这个集合的名称
1534	mongocollection::getreadpreference	Get the read preference for this collection
1535	mongocollection::getslaveokay	Get slaveOkay setting for this collection
1536	mongocollection::group	Performs an operation similar to SQL‘s GROUP BY command
1537	mongocollection::insert	插入文档到集合中
1538	mongocollection::remove	从集合中删除记录
1539	mongocollection::save	保存一个文档到集合
1540	mongocollection::setreadpreference	Set the read preference for this collection
1541	mongocollection::setslaveokay	Change slaveOkay setting for this collection
1542	mongocollection::update	Update records based on a given criteria
1543	mongocollection::validate	Validates this collection
1544	mongodate::todatetime	Returns a DateTime object representing this date
1545	mongodb::__tostring	The name of this database
1546	mongodb::authenticate	登录到数据库
1547	mongodb::command	执行一条 Mongo 指令
1548	mongodb::createcollection	创建一个集合
1549	mongodb::createdbref	创建数据库引用
1550	mongodb::drop	删除数据库
1551	mongodb::dropcollection	Drops a collection [deprecated]
1552	mongodb::execute	在数据库服务器上运行JavaScript
1553	mongodb::forceerror	Creates a database error
1554	mongodb::getcollectionnames	Gets an array of names for all collections in this database
1555	mongodb::getdbref	Fetches the document pointed to by a database reference
1556	mongodb::getgridfs	Fetches toolkit for dealing with files stored in this database
1557	mongodb::getprofilinglevel	Gets this database‘s profiling level
1558	mongodb::getreadpreference	Get the read preference for this database
1559	mongodb::getslaveokay	Get slaveOkay setting for this database
1560	mongodb::getwriteconcern	Get the write concern for this database
1561	mongodb::lasterror	Check if there was an error on the most recent db operation performed
1562	mongodb::listcollections	Gets an array of MongoCollection objects for all collections in this database
1563	mongodb::preverror	Checks for the last error thrown during a database operation
1564	mongodb::repair	Repairs and compacts this database
1565	mongodb::reseterror	Clears any flagged errors on the database
1566	mongodb::selectcollection	Gets a collection
1567	mongodb::setprofilinglevel	Sets this database‘s profiling level
1568	mongodb::setreadpreference	Set the read preference for this database
1569	mongodb::setslaveokay	Change slaveOkay setting for this database
1570	mongodb::setwriteconcern	Set the write concern for this database
1571	mongogridfsfile::getbytes	Returns this file‘s contents as a string of bytes
1572	mongogridfsfile::getfilename	Returns this file‘s filename
1573	mongogridfsfile::getresource	Returns a resource that can be used to read the stored file
1574	mongogridfsfile::getsize	Returns this file‘s size
1575	mongogridfsfile::write	Writes this file to the filesystem
1576	mongoid::getinc	返回用于创建 id 所增加的值
1577	mongoid::getpid	获取进程 ID
1578	mongoid::gettimestamp	获取新纪元时间到 id 创建时的秒数。
1579	move_uploaded_file	将上传的文件移动到新位置
1580	msg_get_queue	Create or attach to a message queue
1581	msg_queue_exists	Check whether a message queue exists
1582	msg_receive	Receive a message from a message queue
1583	msg_remove_queue	Destroy a message queue
1584	msg_send	Send a message to a message queue
1585	msg_set_queue	Set information in the message queue data structure
1586	msg_stat_queue	Returns information from the message queue data structure
1587	mssql_bind	Adds a parameter to a stored procedure or a remote stored procedure
1588	mssql_close	关闭MS SQL Server链接
1589	mssql_connect	打开MS SQL server链接
1590	mssql_data_seek	Moves internal row pointer
1591	mssql_execute	Executes a stored procedure on a MS SQL server database
1592	mssql_fetch_array	Fetch a result row as an associative array, a numeric array, or both
1593	mssql_fetch_assoc	Returns an associative array of the current row in the result
1594	mssql_fetch_batch	Returns the next batch of records
1595	mssql_fetch_field	Get field information
1596	mssql_fetch_object	Fetch row as object
1597	mssql_fetch_row	Get row as enumerated array
1598	mssql_field_length	Get the length of a field
1599	mssql_field_name	Get the name of a field
1600	mssql_field_seek	Seeks to the specified field offset
1601	mssql_field_type	Gets the type of a field
1602	mssql_free_result	Free result memory
1603	mssql_free_statement	Free statement memory
1604	mssql_get_last_message	Returns the last message from the server
1605	mssql_guid_string	Converts a 16 byte binary GUID to a string
1606	mssql_init	Initializes a stored procedure or a remote stored procedure
1607	mssql_min_error_severity	Sets the minimum error severity
1608	mssql_min_message_severity	Sets the minimum message severity
1609	mssql_next_result	Move the internal result pointer to the next result
1610	mssql_num_fields	Gets the number of fields in result
1611	mssql_num_rows	Gets the number of rows in result
1612	mssql_pconnect	Open persistent MS SQL connection
1613	mssql_query	Send MS SQL query
1614	mssql_result	Get result data
1615	mssql_rows_affected	Returns the number of records affected by the query
1616	mssql_select_db	Select MS SQL database
1617	mt_getrandmax	显示随机数的最大可能值
1618	mt_rand	生成更好的随机数
1619	mt_srand	播下一个更好的随机数发生器种子
1620	mysql_affected_rows	取得前一次 MySQL 操作所影响的记录行数
1621	mysql_client_encoding	返回字符集的名称
1622	mysql_close	关闭 MySQL 连接
1623	mysql_connect	打开一个到 MySQL 服务器的连接
1624	mysql_data_seek	移动内部结果的指针
1625	mysql_db_name	取得结果数据
1626	mysql_db_query	发送一条 MySQL 查询
1627	mysql_errno	返回上一个 MySQL 操作中的错误信息的数字编码
1628	mysql_error	返回上一个 MySQL 操作产生的文本错误信息
1629	mysql_escape_string	转义一个字符串用于 mysql_query
1630	mysql_fetch_array	从结果集中取得一行作为关联数组，或数字数组，或二者兼有
1631	mysql_fetch_assoc	从结果集中取得一行作为关联数组
1632	mysql_fetch_field	从结果集中取得列信息并作为对象返回
1633	mysql_fetch_lengths	取得结果集中每个输出的长度
1634	mysql_fetch_object	从结果集中取得一行作为对象
1635	mysql_fetch_row	从结果集中取得一行作为枚举数组
1636	mysql_field_flags	从结果中取得和指定字段关联的标志
1637	mysql_field_len	返回指定字段的长度
1638	mysql_field_name	取得结果中指定字段的字段名
1639	mysql_field_seek	将结果集中的指针设定为制定的字段偏移量
1640	mysql_field_table	取得指定字段所在的表名
1641	mysql_field_type	取得结果集中指定字段的类型
1642	mysql_free_result	释放结果内存
1643	mysql_get_client_info	取得 MySQL 客户端信息
1644	mysql_get_host_info	取得 MySQL 主机信息
1645	mysql_get_proto_info	取得 MySQL 协议信息
1646	mysql_get_server_info	取得 MySQL 服务器信息
1647	mysql_info	取得最近一条查询的信息
1648	mysql_insert_id	取得上一步 INSERT 操作产生的 ID
1649	mysql_list_dbs	列出 MySQL 服务器中所有的数据库
1650	mysql_list_fields	列出 MySQL 结果中的字段
1651	mysql_list_processes	列出 MySQL 进程
1652	mysql_list_tables	列出 MySQL 数据库中的表
1653	mysql_num_fields	取得结果集中字段的数目
1654	mysql_num_rows	取得结果集中行的数目
1655	mysql_pconnect	打开一个到 MySQL 服务器的持久连接
1656	mysql_ping	Ping 一个服务器连接，如果没有连接则重新连接
1657	mysql_query	发送一条 MySQL 查询
1658	mysql_real_escape_string	转义 SQL 语句中使用的字符串中的特殊字符，并考虑到连接的当前字符集
1659	mysql_result	取得结果数据
1660	mysql_select_db	选择 MySQL 数据库
1661	mysql_set_charset	设置客户端的字符集
1662	mysql_stat	取得当前系统状态
1663	mysql_tablename	取得表名
1664	mysql_thread_id	返回当前线程的 ID
1665	mysql_unbuffered_query	向 MySQL 发送一条 SQL 查询，并不获取和缓存结果的行
1666	mysqli::begin_transaction	Starts a transaction
1667	mysqli::release_savepoint	Removes the named savepoint from the set of savepoints of the current transaction
1668	mysqli::savepoint	Set a named transaction savepoint
1669	mysqli_autocommit	打开或关闭本次数据库连接的自动命令提交事务模式
1670	mysqli_bind_param	mysqli_stmt_bind_param()的别名
1671	mysqli_bind_result	mysqli_stmt_bind_result()的别名
1672	mysqli_client_encoding	mysqli_character_set_name()的别名
1673	mysqli_close	关闭先前打开的数据库连接
1674	mysqli_commit	提交一个事务
1675	mysqli_connect	别名 mysqli::__construct()
1676	mysqli_debug	Performs debugging operations
1677	mysqli_errno	返回最近函数调用的错误代码
1678	mysqli_error	Returns a string description of the last error
1679	mysqli_escape_string	别名 mysqli_real_escape_string()
1680	mysqli_execute	mysqli_stmt_execute()的别名
1681	mysqli_fetch	mysqli_stmt_fetch()的别名。
1682	mysqli_get_metadata	mysqli_stmt_result_metadata()的别名
1683	mysqli_info	Retrieves information about the most recently executed query
1684	mysqli_init	Initializes MySQLi and returns a resource for use with mysqli_real_connect()
1685	mysqli_kill	Asks the server to kill a MySQL thread
1686	mysqli_options	Set options
1687	mysqli_param_count	mysqli_stmt_param_count()的别名
1688	mysqli_ping	Pings a server connection, or tries to reconnect if the connection has gone down
1689	mysqli_poll	Poll connections
1690	mysqli_prepare	Prepare an SQL statement for execution
1691	mysqli_query	对数据库执行一次查询
1692	mysqli_refresh	Refreshes
1693	mysqli_report	开启或禁用（Mysql）内部（错误）报告函数
1694	mysqli_rollback	回退当前事务
1695	mysqli_savepoint	Set a named transaction savepoint
1696	mysqli_send_long_data	mysqli_stmt_send_long_data()的别名
1697	mysqli_set_opt	mysqli_options()的别名
1698	mysqli_sqlstate	Returns the SQLSTATE error from previous MySQL operation
1699	mysqli_stat	Gets the current system status
1700	mysqli_stmt_close	Closes a prepared statement
1701	mysqli_stmt_errno	Returns the error code for the most recent statement call
1702	mysqli_stmt_error	Returns a string description for last statement error
1703	mysqli_stmt_execute	Executes a prepared Query
1704	mysqli_stmt_fetch	Fetch results from a prepared statement into the bound variables
1705	mysqli_stmt_prepare	Prepare an SQL statement for execution
1706	mysqli_stmt_reset	Resets a prepared statement
1707	mysqli_stmt_sqlstate	Returns SQLSTATE error from previous statement operation

n
1708	natsort	用“自然排序”算法对数组排序
1709	ncurses_addch	Add character at current position and advance cursor
1710	ncurses_addchnstr	Add attributed string with specified length at current position
1711	ncurses_addchstr	Add attributed string at current position
1712	ncurses_addnstr	Add string with specified length at current position
1713	ncurses_addstr	Output text at current position
1714	ncurses_assume_default_colors	Define default colors for color 0
1715	ncurses_attroff	Turn off the given attributes
1716	ncurses_attron	Turn on the given attributes
1717	ncurses_attrset	Set given attributes
1718	ncurses_baudrate	Returns baudrate of terminal
1719	ncurses_beep	Let the terminal beep
1720	ncurses_bkgd	Set background property for terminal screen
1721	ncurses_bkgdset	Control screen background
1722	ncurses_border	Draw a border around the screen using attributed characters
1723	ncurses_bottom_panel	Moves a visible panel to the bottom of the stack
1724	ncurses_can_change_color	Checks if terminal color definitions can be changed
1725	ncurses_cbreak	Switch off input buffering
1726	ncurses_clear	Clear screen
1727	ncurses_clrtobot	Clear screen from current position to bottom
1728	ncurses_clrtoeol	Clear screen from current position to end of line
1729	ncurses_color_content	Retrieves RGB components of a color
1730	ncurses_color_set	Set active foreground and background colors
1731	ncurses_curs_set	Set cursor state
1732	ncurses_def_prog_mode	Saves terminals (program) mode
1733	ncurses_def_shell_mode	Saves terminals (shell) mode
1734	ncurses_define_key	Define a keycode
1735	ncurses_del_panel	Remove panel from the stack and delete it (but not the associated window)
1736	ncurses_delay_output	Delay output on terminal using padding characters
1737	ncurses_delch	Delete character at current position, move rest of line left
1738	ncurses_deleteln	Delete line at current position, move rest of screen up
1739	ncurses_delwin	Delete a ncurses window
1740	ncurses_doupdate	Write all prepared refreshes to terminal
1741	ncurses_echo	Activate keyboard input echo
1742	ncurses_echochar	Single character output including refresh
1743	ncurses_end	Stop using ncurses, clean up the screen
1744	ncurses_erase	Erase terminal screen
1745	ncurses_erasechar	Returns current erase character
1746	ncurses_filter	Set LINES for iniscr() and newterm() to 1
1747	ncurses_flash	Flash terminal screen (visual bell)
1748	ncurses_flushinp	Flush keyboard input buffer
1749	ncurses_getch	Read a character from keyboard
1750	ncurses_getmaxyx	Returns the size of a window
1751	ncurses_getmouse	Reads mouse event
1752	ncurses_getyx	Returns the current cursor position for a window
1753	ncurses_halfdelay	Put terminal into halfdelay mode
1754	ncurses_has_colors	Checks if terminal has color capabilities
1755	ncurses_has_ic	Check for insert- and delete-capabilities
1756	ncurses_has_il	Check for line insert- and delete-capabilities
1757	ncurses_has_key	Check for presence of a function key on terminal keyboard
1758	ncurses_hide_panel	Remove panel from the stack, making it invisible
1759	ncurses_hline	Draw a horizontal line at current position using an attributed character and max. n characters long
1760	ncurses_inch	Get character and attribute at current position
1761	ncurses_init	Initialize ncurses
1762	ncurses_init_color	Define a terminal color
1763	ncurses_init_pair	Define a color pair
1764	ncurses_insch	Insert character moving rest of line including character at current position
1765	ncurses_insdelln	Insert lines before current line scrolling down (negative numbers delete and scroll up)
1766	ncurses_insertln	Insert a line, move rest of screen down
1767	ncurses_insstr	Insert string at current position, moving rest of line right
1768	ncurses_instr	Reads string from terminal screen
1769	ncurses_isendwin	Ncurses is in endwin mode, normal screen output may be performed
1770	ncurses_keyok	Enable or disable a keycode
1771	ncurses_keypad	Turns keypad on or off
1772	ncurses_killchar	Returns current line kill character
1773	ncurses_longname	Returns terminals description
1774	ncurses_meta	Enables/Disable 8-bit meta key information
1775	ncurses_mouse_trafo	Transforms coordinates
1776	ncurses_mouseinterval	Set timeout for mouse button clicks
1777	ncurses_mousemask	Sets mouse options
1778	ncurses_move	Move output position
1779	ncurses_move_panel	Moves a panel so that its upper-left corner is at [startx, starty]
1780	ncurses_mvaddch	Move current position and add character
1781	ncurses_mvaddchnstr	Move position and add attributed string with specified length
1782	ncurses_mvaddchstr	Move position and add attributed string
1783	ncurses_mvaddnstr	Move position and add string with specified length
1784	ncurses_mvaddstr	Move position and add string
1785	ncurses_mvcur	Move cursor immediately
1786	ncurses_mvdelch	Move position and delete character, shift rest of line left
1787	ncurses_mvgetch	Move position and get character at new position
1788	ncurses_mvhline	Set new position and draw a horizontal line using an attributed character and max. n characters long
1789	ncurses_mvinch	Move position and get attributed character at new position
1790	ncurses_mvwaddstr	Add string at new position in window
1791	ncurses_napms	Sleep
1792	ncurses_new_panel	Create a new panel and associate it with window
1793	ncurses_newpad	Creates a new pad (window)
1794	ncurses_newwin	Create a new window
1795	ncurses_nl	Translate newline and carriage return / line feed
1796	ncurses_nocbreak	Switch terminal to cooked mode
1797	ncurses_noecho	Switch off keyboard input echo
1798	ncurses_nonl	Do not translate newline and carriage return / line feed
1799	ncurses_noqiflush	Do not flush on signal characters
1800	ncurses_noraw	Switch terminal out of raw mode
1801	ncurses_pair_content	Retrieves foreground and background colors of a color pair
1802	ncurses_panel_above	Returns the panel above panel
1803	ncurses_panel_below	Returns the panel below panel
1804	ncurses_panel_window	Returns the window associated with panel
1805	ncurses_pnoutrefresh	Copies a region from a pad into the virtual screen
1806	ncurses_prefresh	Copies a region from a pad into the virtual screen
1807	ncurses_putp	Apply padding information to the string and output it
1808	ncurses_qiflush	Flush on signal characters
1809	ncurses_raw	Switch terminal into raw mode
1810	ncurses_refresh	Refresh screen
1811	ncurses_replace_panel	Replaces the window associated with panel
1812	ncurses_reset_prog_mode	Resets the prog mode saved by def_prog_mode
1813	ncurses_reset_shell_mode	Resets the shell mode saved by def_shell_mode
1814	ncurses_resetty	Restores saved terminal state
1815	ncurses_savetty	Saves terminal state
1816	ncurses_scr_dump	Dump screen content to file
1817	ncurses_scr_init	Initialize screen from file dump
1818	ncurses_scr_restore	Restore screen from file dump
1819	ncurses_scr_set	Inherit screen from file dump
1820	ncurses_scrl	Scroll window content up or down without changing current position
1821	ncurses_show_panel	Places an invisible panel on top of the stack, making it visible
1822	ncurses_slk_attr	Returns current soft label key attribute
1823	ncurses_slk_attroff	Turn off the given attributes for soft function-key labels
1824	ncurses_slk_attron	Turn on the given attributes for soft function-key labels
1825	ncurses_slk_attrset	Set given attributes for soft function-key labels
1826	ncurses_slk_clear	Clears soft labels from screen
1827	ncurses_slk_color	Sets color for soft label keys
1828	ncurses_slk_init	Initializes soft label key functions
1829	ncurses_slk_noutrefresh	Copies soft label keys to virtual screen
1830	ncurses_slk_refresh	Copies soft label keys to screen
1831	ncurses_slk_restore	Restores soft label keys
1832	ncurses_slk_set	Sets function key labels
1833	ncurses_slk_touch	Forces output when ncurses_slk_noutrefresh is performed
1834	ncurses_standend	Stop using ‘standout‘ attribute
1835	ncurses_standout	Start using ‘standout‘ attribute
1836	ncurses_start_color	Initializes color functionality
1837	ncurses_termattrs	Returns a logical OR of all attribute flags supported by terminal
1838	ncurses_termname	Returns terminals (short)-name
1839	ncurses_timeout	Set timeout for special key sequences
1840	ncurses_top_panel	Moves a visible panel to the top of the stack
1841	ncurses_typeahead	Specify different filedescriptor for typeahead checking
1842	ncurses_ungetch	Put a character back into the input stream
1843	ncurses_ungetmouse	Pushes mouse event to queue
1844	ncurses_update_panels	Refreshes the virtual screen to reflect the relations between panels in the stack
1845	ncurses_use_default_colors	Assign terminal default colors to color id -1
1846	ncurses_use_env	Control use of environment information about terminal size
1847	ncurses_use_extended_names	Control use of extended names in terminfo descriptions
1848	ncurses_vidattr	Display the string on the terminal in the video attribute mode
1849	ncurses_vline	Draw a vertical line at current position using an attributed character and max. n characters long
1850	ncurses_waddch	Adds character at current position in a window and advance cursor
1851	ncurses_waddstr	Outputs text at current postion in window
1852	ncurses_wattroff	Turns off attributes for a window
1853	ncurses_wattron	Turns on attributes for a window
1854	ncurses_wattrset	Set the attributes for a window
1855	ncurses_wborder	Draws a border around the window using attributed characters
1856	ncurses_wclear	Clears window
1857	ncurses_wcolor_set	Sets windows color pairings
1858	ncurses_werase	Erase window contents
1859	ncurses_wgetch	Reads a character from keyboard (window)
1860	ncurses_whline	Draws a horizontal line in a window at current position using an attributed character and max. n characters long
1861	ncurses_wmouse_trafo	Transforms window/stdscr coordinates
1862	ncurses_wmove	Moves windows output position
1863	ncurses_wnoutrefresh	Copies window to virtual screen
1864	ncurses_wrefresh	Refresh window on terminal screen
1865	ncurses_wstandend	End standout mode for a window
1866	ncurses_wstandout	Enter standout mode for a window
1867	ncurses_wvline	Draws a vertical line in a window at current position using an attributed character and max. n characters long
1868	next	将数组中的内部指针向前移动一位
1869	ngettext	Plural version of gettext
1870	nl2br	在字符串所有新行之前插入 HTML 换行标记
1871	nl_langinfo	Query language and locale information
1872	normalizer_normalize	Normalizes the input provided and returns the normalized string
1873	number_format	以千位分隔符方式格式化一个数字
1874	numberformatter::format	Format a number
1875	numberformatter::formatcurrency	Format a currency value
1876	numberformatter::getattribute	Get an attribute
1877	numberformatter::geterrorcode	Get formatter‘s last error code
1878	numberformatter::geterrormessage	Get formatter‘s last error message
1879	numberformatter::getlocale	Get formatter locale
1880	numberformatter::getpattern	Get formatter pattern
1881	numberformatter::getsymbol	Get a symbol value
1882	numberformatter::gettextattribute	Get a text attribute
1883	numberformatter::parse	Parse a number
1884	numberformatter::parsecurrency	Parse a currency number
1885	numberformatter::setattribute	Set an attribute
1886	numberformatter::setpattern	Set formatter pattern
1887	numberformatter::setsymbol	Set a symbol value
1888	numberformatter::settextattribute	Set a text attribute

o
1889	oauth::disableredirects	关闭重定向
1890	oauth::disablesslchecks	关闭 SSL 检查
1891	oauth::enabledebug	启用详细调试
1892	oauth::enableredirects	启用重定向
1893	oauth::enablesslchecks	启用 SSL 检查
1894	oauth::fetch	获取一个 OAuth 受保护的资源
1895	oauth::getaccesstoken	获取一个访问令牌
1896	oauth::getcapath	获取 CA 信息
1897	oauth::getlastresponse	获取最后一次的响应
1898	oauth::getlastresponseheaders	获取最后一次响应的头信息
1899	oauth::getlastresponseinfo	获取关于最后一次响应的 HTTP 信息
1900	oauth::getrequestheader	生成 OAuth 头信息字符串签名
1901	oauth::getrequesttoken	获取一个请求令牌
1902	oauth::setauthtype	设置授权类型
1903	oauth::setcapath	设置 CA 路径和信息
1904	oauth::setnonce	为后续请求设置现时标志
1905	oauth::setrequestengine	设置目标请求引擎
1906	oauth::setrsacertificate	设置 RSA 证书
1907	oauth::settimestamp	设置时间戳
1908	oauth::settoken	设置令牌和 secret
1909	oauth::setversion	设置 OAuth 版本
1910	oauth_get_sbs	生成一个签名字符基串
1911	oauth_urlencode	将 URI 编码为 RFC 3986 规范
1912	oauthprovider::callconsumerhandler	调用 consumerNonceHandler 回调函数
1913	oauthprovider::calltimestampnoncehandler	调用 timestampNonceHandler 回调函数
1914	oauthprovider::calltokenhandler	调用 tokenNonceHandler 回调函数
1915	oauthprovider::checkoauthrequest	检查一个 oauth 请求
1916	oauthprovider::consumerhandler	设置 consumerHandler 句柄回调函数
1917	oauthprovider::is2leggedendpoint	is2LeggedEndpoint
1918	oauthprovider::isrequesttokenendpoint	设置 isRequestTokenEndpoint
1919	oauthprovider::timestampnoncehandler	设置 timestampNonceHandler 句柄回调函数
1920	oauthprovider::tokenhandler	设置 tokenHandler 句柄回调函数
1921	ob_clean	清空（擦掉）输出缓冲区
1922	ob_end_clean	清空（擦除）缓冲区并关闭输出缓冲
1923	ob_end_flush	冲刷出（送出）输出缓冲区内容并关闭缓冲
1924	ob_flush	冲刷出（送出）输出缓冲区中的内容
1925	ob_get_clean	得到当前缓冲区的内容并删除当前输出缓。
1926	ob_get_contents	返回输出缓冲区的内容
1927	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。
1928	ob_get_length	返回输出缓冲区内容的长度
1929	ob_get_level	返回输出缓冲机制的嵌套级别
1930	ob_get_status	得到所有输出缓冲区的状态
1931	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
1932	ob_iconv_handler	以输出缓冲处理程序转换字符编码
1933	ob_implicit_flush	打开/关闭绝对刷送
1934	ob_list_handlers	列出所有使用中的输出处理程序。
1935	ob_start	打开输出控制缓冲
1936	ob_tidyhandler	ob_start callback function to repair the buffer
1937	oci_bind_array_by_name	Binds a PHP array to an Oracle PL/SQL array parameter
1938	oci_bind_by_name	绑定一个 PHP 变量到一个 Oracle 位置标志符
1939	oci_cancel	中断游标读取数据
1940	oci_client_version	Returns the Oracle client library version
1941	oci_close	关闭 Oracle 连接
1942	oci_commit	提交未执行的事务处理
1943	oci_connect	建立一个到 Oracle 服务器的连接
1944	oci_define_by_name	在 SELECT 中使用 PHP 变量作为定义的步骤
1945	oci_error	返回上一个错误
1946	oci_execute	执行一条语句
1947	oci_fetch	Fetches the next row into result-buffer
1948	oci_fetch_all	获取结果数据的所有行到一个数组
1949	oci_fetch_array	Returns the next row from a query as an associative or numeric array
1950	oci_fetch_assoc	Returns the next row from a query as an associative array
1951	oci_fetch_object	Returns the next row from a query as an object
1952	oci_fetch_row	Returns the next row from a query as a numeric array
1953	oci_field_is_null	检查字段是否为 NULL
1954	oci_field_name	返回字段名
1955	oci_field_precision	返回字段精度
1956	oci_field_scale	返回字段范围
1957	oci_field_size	返回字段大小
1958	oci_field_type	返回字段的数据类型
1959	oci_field_type_raw	返回字段的原始 Oracle 数据类型
1960	oci_free_descriptor	Frees a descriptor
1961	oci_free_statement	释放关联于语句或游标的所有资源
1962	oci_get_implicit_resultset	Returns the next child statement resource from a parent statement resource that has Oracle Database 12c Implicit Result Sets
1963	oci_internal_debug	打开或关闭内部调试输出
1964	oci_lob_copy	Copies large object
1965	oci_lob_is_equal	Compares two LOB/FILE locators for equality
1966	oci_new_collection	分配新的 collection 对象
1967	oci_new_connect	建定一个到 Oracle 服务器的新连接
1968	oci_new_cursor	分配并返回一个新的游标（语句句柄）
1969	oci_new_descriptor	初始化一个新的空 LOB 或 FILE 描述符
1970	oci_num_fields	返回结果列的数目
1971	oci_num_rows	返回语句执行后受影响的行数
1972	oci_parse	配置 Oracle 语句预备执行
1973	oci_password_change	修改 Oracle 用户的密码
1974	oci_pconnect	使用一个持久连接连到 Oracle 数据库
1975	oci_result	返回所取得行中字段的值
1976	oci_rollback	回滚未提交的事务
1977	oci_server_version	返回服务器版本信息
1978	oci_set_action	Sets the action name
1979	oci_set_client_identifier	Sets the client identifier
1980	oci_set_client_info	Sets the client information
1981	oci_set_edition	Sets the database edition
1982	oci_set_module_name	Sets the module name
1983	oci_set_prefetch	设置预提取行数
1984	oci_statement_type	返回 OCI 语句的类型
1985	ocibindbyname	别名 oci_bind_by_name()
1986	ocicancel	别名 oci_cancel()
1987	ocicloselob	别名 OCI-Lob::close()
1988	ocicollappend	别名 OCI-Collection::append()
1989	ocicollassign	别名 OCI-Collection::assign()
1990	ocicollassignelem	别名 OCI-Collection::assignElem()
1991	ocicollgetelem	别名 OCI-Collection::getElem()
1992	ocicollmax	别名 OCI-Collection::max()
1993	ocicollsize	别名 OCI-Collection::size()
1994	ocicolltrim	别名 OCI-Collection::trim()
1995	ocicolumnisnull	别名 oci_field_is_null()
1996	ocicolumnname	别名 oci_field_name()
1997	ocicolumnprecision	别名 oci_field_precision()
1998	ocicolumnscale	别名 oci_field_scale()
1999	ocicolumnsize	别名 oci_field_size()
2000	ocicolumntype	别名 oci_field_type()
2001	ocicolumntyperaw	别名 oci_field_type_raw()
2002	ocicommit	别名 oci_commit()
2003	ocidefinebyname	别名 oci_define_by_name()
2004	ocierror	别名 oci_error()
2005	ociexecute	别名 oci_execute()
2006	ocifetch	别名 oci_fetch()
2007	ocifetchinto	Obsolete variant of oci_fetch_array(), oci_fetch_object(), oci_fetch_assoc() and oci_fetch_row()
2008	ocifetchstatement	别名 oci_fetch_all()
2009	ocifreecollection	别名 OCI-Collection::free()
2010	ocifreecursor	别名 oci_free_statement()
2011	ocifreedesc	别名 OCI-Lob::free()
2012	ocifreestatement	别名 oci_free_statement()
2013	ociinternaldebug	别名 oci_internal_debug()
2014	ociloadlob	别名 OCI-Lob::load()
2015	ocilogoff	别名 oci_close()
2016	ocilogon	别名 oci_connect()
2017	ocinewcollection	别名 oci_new_collection()
2018	ocinewcursor	别名 oci_new_cursor()
2019	ocinewdescriptor	别名 oci_new_descriptor()
2020	ocinlogon	别名 oci_new_connect()
2021	ocinumcols	别名 oci_num_fields()
2022	ociparse	别名 oci_parse()
2023	ociplogon	别名 oci_pconnect()
2024	ociresult	别名 oci_result()
2025	ocirollback	别名 oci_rollback()
2026	ocirowcount	别名 oci_num_rows()
2027	ocisavelob	别名 OCI-Lob::save()
2028	ocisavelobfile	别名 OCI-Lob::import()
2029	ociserverversion	别名 oci_server_version()
2030	ocisetprefetch	别名 oci_set_prefetch()
2031	ocistatementtype	别名 oci_statement_type()
2032	ociwritelobtofile	别名 OCI-Lob::export()
2033	ociwritetemporarylob	别名 OCI-Lob::writeTemporary()
2034	octdec	八进制转换为十进制
2035	odbc_autocommit	Toggle autocommit behaviour
2036	odbc_binmode	Handling of binary column data
2037	odbc_close	Close an ODBC connection
2038	odbc_close_all	Close all ODBC connections
2039	odbc_columnprivileges	Lists columns and associated privileges for the given table
2040	odbc_columns	Lists the column names in specified tables
2041	odbc_commit	Commit an ODBC transaction
2042	odbc_connect	Connect to a datasource
2043	odbc_cursor	Get cursorname
2044	odbc_data_source	Returns information about a current connection
2045	odbc_do	别名 odbc_exec()
2046	odbc_error	Get the last error code
2047	odbc_errormsg	Get the last error message
2048	odbc_exec	Prepare and execute an SQL statement
2049	odbc_execute	Execute a prepared statement
2050	odbc_fetch_array	Fetch a result row as an associative array
2051	odbc_fetch_into	Fetch one result row into array
2052	odbc_fetch_object	Fetch a result row as an object
2053	odbc_fetch_row	Fetch a row
2054	odbc_field_len	Get the length (precision) of a field
2055	odbc_field_name	Get the columnname
2056	odbc_field_num	Return column number
2057	odbc_field_precision	别名 odbc_field_len()
2058	odbc_field_scale	Get the scale of a field
2059	odbc_field_type	Datatype of a field
2060	odbc_foreignkeys	Retrieves a list of foreign keys
2061	odbc_free_result	Free resources associated with a result
2062	odbc_gettypeinfo	Retrieves information about data types supported by the data source
2063	odbc_longreadlen	Handling of LONG columns
2064	odbc_next_result	Checks if multiple results are available
2065	odbc_num_fields	Number of columns in a result
2066	odbc_num_rows	Number of rows in a result
2067	odbc_pconnect	Open a persistent database connection
2068	odbc_prepare	Prepares a statement for execution
2069	odbc_primarykeys	Gets the primary keys for a table
2070	odbc_procedurecolumns	Retrieve information about parameters to procedures
2071	odbc_procedures	Get the list of procedures stored in a specific data source
2072	odbc_result	Get result data
2073	odbc_result_all	Print result as HTML table
2074	odbc_rollback	Rollback a transaction
2075	odbc_setoption	Adjust ODBC settings
2076	odbc_specialcolumns	Retrieves special columns
2077	odbc_statistics	Retrieve statistics about a table
2078	odbc_tableprivileges	Lists tables and the privileges associated with each table
2079	odbc_tables	Get the list of table names stored in a specific data source
2080	opcache_compile_file	无需运行，即可编译并缓存 PHP 脚本
2081	opcache_get_configuration	获取缓存的配置信息
2082	opcache_get_status	获取缓存的状态信息
2083	opcache_invalidate	废除脚本缓存
2084	opcache_reset	重置字节码缓存的内容
2085	opendir	打开目录句柄
2086	openlog	Open connection to system logger
2087	openssl_cipher_iv_length	Gets the cipher iv length
2088	openssl_csr_export	Exports a CSR as a string
2089	openssl_csr_export_to_file	Exports a CSR to a file
2090	openssl_csr_get_public_key	Returns the public key of a CSR
2091	openssl_csr_get_subject	Returns the subject of a CSR
2092	openssl_csr_new	Generates a CSR
2093	openssl_csr_sign	Sign a CSR with another certificate (or itself) and generate a certificate
2094	openssl_decrypt	Decrypts data
2095	openssl_dh_compute_key	Computes shared secret for public value of remote DH key and local DH key
2096	openssl_digest	Computes a digest
2097	openssl_encrypt	加密数据
2098	openssl_error_string	Return openSSL error message
2099	openssl_free_key	Free key resource
2100	openssl_get_cert_locations	Retrieve the available certificate locations
2101	openssl_get_cipher_methods	Gets available cipher methods
2102	openssl_get_md_methods	Gets available digest methods
2103	openssl_get_privatekey	别名 openssl_pkey_get_private()
2104	openssl_get_publickey	别名 openssl_pkey_get_public()
2105	openssl_open	Open sealed data
2106	openssl_pbkdf2	Generates a PKCS5 v2 PBKDF2 string
2107	openssl_pkcs12_export	Exports a PKCS#12 Compatible Certificate Store File to variable
2108	openssl_pkcs12_export_to_file	Exports a PKCS#12 Compatible Certificate Store File
2109	openssl_pkcs12_read	Parse a PKCS#12 Certificate Store into an array
2110	openssl_pkcs7_decrypt	Decrypts an S/MIME encrypted message
2111	openssl_pkcs7_encrypt	Encrypt an S/MIME message
2112	openssl_pkcs7_sign	Sign an S/MIME message
2113	openssl_pkcs7_verify	Verifies the signature of an S/MIME signed message
2114	openssl_pkey_export	Gets an exportable representation of a key into a string
2115	openssl_pkey_export_to_file	Gets an exportable representation of a key into a file
2116	openssl_pkey_free	Frees a private key
2117	openssl_pkey_get_details	Returns an array with the key details
2118	openssl_pkey_get_private	Get a private key
2119	openssl_pkey_get_public	Extract public key from certificate and prepare it for use
2120	openssl_pkey_new	Generates a new private key
2121	openssl_private_decrypt	Decrypts data with private key
2122	openssl_private_encrypt	Encrypts data with private key
2123	openssl_public_decrypt	Decrypts data with public key
2124	openssl_public_encrypt	Encrypts data with public key
2125	openssl_random_pseudo_bytes	Generate a pseudo-random string of bytes
2126	openssl_seal	Seal (encrypt) data
2127	openssl_sign	Generate signature
2128	openssl_spki_export	Exports a valid PEM formatted public key signed public key and challenge
2129	openssl_spki_export_challenge	Exports the challenge assoicated with a signed public key and challenge
2130	openssl_spki_new	Generate a new signed public key and challenge
2131	openssl_spki_verify	Verifies a signed public key and challenge
2132	openssl_verify	Verify signature
2133	openssl_x509_check_private_key	Checks if a private key corresponds to a certificate
2134	openssl_x509_checkpurpose	Verifies if a certificate can be used for a particular purpose
2135	openssl_x509_export	Exports a certificate as a string
2136	openssl_x509_export_to_file	Exports a certificate to file
2137	openssl_x509_fingerprint	Calculates the fingerprint, or digest, of a given X.509 certificate
2138	openssl_x509_free	Free certificate resource
2139	openssl_x509_parse	Parse an X509 certificate and return the information as an array
2140	openssl_x509_read	Parse an X.509 certificate and return a resource identifier for it
2141	ord	返回字符的 ASCII 码值
2142	output_add_rewrite_var	添加URL重写器的值（Add URL rewriter values）
2143	output_reset_rewrite_vars	重设URL重写器的值（Reset URL rewriter values）

p
2144	parse_ini_file	解析一个配置文件
2145	parse_ini_string	解析配置字符串
2146	parse_str	将字符串解析成多个变量
2147	parse_url	解析 URL，返回其组成部分
2148	passthru	执行外部程序并且显示原始输出
2149	password_get_info	返回指定哈希（hash）的相关信息
2150	password_hash	创建密码的哈希（hash）
2151	password_needs_rehash	Checks if the given hash matches the given options
2152	password_verify	验证密码是否和哈希匹配
2153	pathinfo	返回文件路径的信息
2154	pclose	关闭进程文件指针
2155	pcntl_alarm	为进程设置一个alarm闹钟信号
2156	pcntl_async_signals	Enable/disable asynchronous signal handling or return the old setting
2157	pcntl_errno	别名 pcntl_get_last_error()
2158	pcntl_exec	在当前进程空间执行指定程序
2159	pcntl_fork	在当前进程当前位置产生分支（子进程）。译注：fork是创建了一个子进程，父进程和子进程 都从fork的位置开始向下继续执行，不同的是父进程执行过程中，得到的fork返回值为子进程 号，而子进程得到的是0。
2160	pcntl_get_last_error	Retrieve the error number set by the last pcntl function which failed
2161	pcntl_getpriority	获取任意进程的优先级
2162	pcntl_setpriority	修改任意进程的优先级
2163	pcntl_signal	安装一个信号处理器
2164	pcntl_signal_dispatch	调用等待信号的处理器
2165	pcntl_signal_get_handler	Get the current handler for specified signal
2166	pcntl_sigprocmask	设置或检索阻塞信号
2167	pcntl_sigtimedwait	带超时机制的信号等待
2168	pcntl_sigwaitinfo	等待信号
2169	pcntl_strerror	Retrieve the system error message associated with the given errno
2170	pcntl_wait	等待或返回fork的子进程状态
2171	pcntl_waitpid	等待或返回fork的子进程状态
2172	pcntl_wexitstatus	返回一个中断的子进程的返回代码
2173	pcntl_wifexited	检查状态代码是否代表一个正常的退出。
2174	pcntl_wifsignaled	检查子进程状态码是否代表由于某个信号而中断
2175	pcntl_wifstopped	检查子进程当前是否已经停止
2176	pcntl_wstopsig	返回导致子进程停止的信号
2177	pcntl_wtermsig	返回导致子进程中断的信号
2178	pdo::prepare	Prepares a statement for execution and returns a statement object
2179	pfsockopen	打开一个持久的网络连接或者Unix套接字连接。
2180	pg_affected_rows	返回受影响的记录数目
2181	pg_cancel_query	取消异步查询
2182	pg_client_encoding	取得客户端编码方式
2183	pg_close	关闭一个 PostgreSQL 连接
2184	pg_connect	打开一个 PostgreSQL 连接
2185	pg_connection_busy	获知连接是否为忙
2186	pg_connection_reset	重置连接（再次连接）
2187	pg_connection_status	获得连接状态
2188	pg_convert	将关联的数组值转换为适合 SQL 语句的格式。
2189	pg_copy_from	根据数组将记录插入表中
2190	pg_copy_to	将一个表拷贝到数组中
2191	pg_dbname	获得数据库名
2192	pg_delete	删除记录
2193	pg_end_copy	与 PostgreSQL 后端同步
2194	pg_escape_bytea	转义 bytea 类型的二进制数据
2195	pg_escape_identifier	Escape a identifier for insertion into a text field
2196	pg_escape_literal	Escape a literal for insertion into a text field
2197	pg_escape_string	转义 text/char 类型的字符串
2198	pg_execute	Sends a request to execute a prepared statement with given parameters, and waits for the result
2199	pg_fetch_all	从结果中提取所有行作为一个数组
2200	pg_fetch_all_columns	Fetches all rows in a particular result column as an array
2201	pg_fetch_array	提取一行作为数组
2202	pg_fetch_assoc	提取一行作为关联数组
2203	pg_fetch_object	提取一行作为对象
2204	pg_fetch_result	从结果资源中返回值
2205	pg_fetch_row	提取一行作为枚举数组
2206	pg_field_is_null	测试字段是否为 NULL
2207	pg_field_name	返回字段的名字
2208	pg_field_num	返回字段的编号
2209	pg_field_prtlen	返回打印出来的长度
2210	pg_field_size	返回指定字段占用内部存储空间的大小
2211	pg_field_table	Returns the name or oid of the tables field
2212	pg_field_type	返回相应字段的类型名称
2213	pg_field_type_oid	Returns the type ID (OID) for the corresponding field number
2214	pg_free_result	释放查询结果占用的内存
2215	pg_get_notify	Ping 数据库连接
2216	pg_get_pid	Ping 数据库连接
2217	pg_get_result	取得异步查询结果
2218	pg_host	返回和某连接关联的主机名
2219	pg_insert	将数组插入到表中
2220	pg_last_error	得到某连接的最后一条错误信息
2221	pg_last_notice	返回 PostgreSQL 服务器最新一条公告信息
2222	pg_last_oid	返回上一个对象的 oid
2223	pg_lo_close	关闭一个大型对象
2224	pg_lo_create	新建一个大型对象
2225	pg_lo_export	将大型对象导出到文件
2226	pg_lo_import	将文件导入为大型对象
2227	pg_lo_open	打开一个大型对象
2228	pg_lo_read	从大型对象中读入数据
2229	pg_lo_read_all	读入整个大型对象并直接发送给浏览器
2230	pg_lo_seek	移动大型对象中的指针
2231	pg_lo_tell	返回大型对象的当前指针位置
2232	pg_lo_unlink	删除一个大型对象
2233	pg_lo_write	向大型对象写入数据
2234	pg_meta_data	获得表的元数据
2235	pg_num_fields	返回字段的数目
2236	pg_num_rows	返回行的数目
2237	pg_options	获得和连接有关的选项
2238	pg_parameter_status	Looks up a current parameter setting of the server
2239	pg_pconnect	打开一个持久的 PostgreSQL 连接
2240	pg_ping	Ping 数据库连接
2241	pg_port	返回该连接的端口号
2242	pg_prepare	Submits a request to create a prepared statement with the given parameters, and waits for completion
2243	pg_put_line	向 PostgreSQL 后端发送以 NULL 结尾的字符串
2244	pg_query	执行查询
2245	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
2246	pg_result_error	获得查询结果的错误信息
2247	pg_result_error_field	Returns an individual field of an error report
2248	pg_result_seek	在结果资源中设定内部行偏移量
2249	pg_result_status	获得查询结果的状态
2250	pg_select	选择记录
2251	pg_send_execute	Sends a request to execute a prepared statement with given parameters, without waiting for the result(s)
2252	pg_send_prepare	Sends a request to create a prepared statement with the given parameters, without waiting for completion
2253	pg_send_query	发送异步查询
2254	pg_send_query_params	Submits a command and separate parameters to the server without waiting for the result(s)
2255	pg_set_client_encoding	设定客户端编码
2256	pg_set_error_verbosity	Determines the verbosity of messages returned by pg_last_error() and pg_result_error()
2257	pg_trace	启动一个 PostgreSQL 连接的追踪功能
2258	pg_transaction_status	Returns the current in-transaction status of the server
2259	pg_tty	返回该连接的 tty 号
2260	pg_unescape_bytea	取消 bytea 类型中的字符串转义
2261	pg_untrace	关闭 PostgreSQL 连接的追踪功能
2262	pg_update	更新表
2263	pg_version	Returns an array with client, protocol and server version (when available)
2264	php_ini_loaded_file	取得已加载的 php.ini 文件的路径
2265	php_ini_scanned_files	返回从额外 ini 目录里解析的 .ini 文件列表
2266	php_logo_guid	获取 logo 的 guid
2267	php_sapi_name	返回 web 服务器和 PHP 之间的接口类型
2268	php_strip_whitespace	返回删除注释和空格后的PHP源码
2269	php_uname	返回运行 PHP 的系统的有关信息
2270	phpcredits	打印 PHP 贡献者名单
2271	phpinfo	输出关于 PHP 配置的信息
2272	phpversion	获取当前的PHP版本
2273	pi	得到圆周率值
2274	png2wbmp	将 PNG 图像文件转换为 WBMP 图像文件
2275	pool::collect	回收已完成任务的引用
2276	pool::resize	改变 Pool 对象的可容纳 Worker 对象的数量
2277	pool::shutdown	停止所有的 Worker 对象
2278	pool::submit	提交对象以执行
2279	popen	打开进程文件指针
2280	pos	current() 的别名
2281	posix_access	Determine accessibility of a file
2282	posix_ctermid	Get path name of controlling terminal
2283	posix_errno	别名 posix_get_last_error()
2284	posix_get_last_error	Retrieve the error number set by the last posix function that failed
2285	posix_getcwd	Pathname of current directory
2286	posix_getegid	Return the effective group ID of the current process
2287	posix_geteuid	Return the effective user ID of the current process
2288	posix_getgid	Return the real group ID of the current process
2289	posix_getgrgid	Return info about a group by group id
2290	posix_getgrnam	Return info about a group by name
2291	posix_getgroups	Return the group set of the current process
2292	posix_getlogin	Return login name
2293	posix_getpgid	Get process group id for job control
2294	posix_getpgrp	Return the current process group identifier
2295	posix_getpid	返回当前进程 id
2296	posix_getppid	Return the parent process identifier
2297	posix_getpwnam	Return info about a user by username
2298	posix_getpwuid	Return info about a user by user id
2299	posix_getrlimit	Return info about system resource limits
2300	posix_getsid	Get the current sid of the process
2301	posix_getuid	Return the real user ID of the current process
2302	posix_initgroups	Calculate the group access list
2303	posix_isatty	Determine if a file descriptor is an interactive terminal
2304	posix_kill	Send a signal to a process
2305	posix_mkfifo	Create a fifo special file (a named pipe)
2306	posix_mknod	Create a special or ordinary file (POSIX.1)
2307	posix_setegid	Set the effective GID of the current process
2308	posix_seteuid	Set the effective UID of the current process
2309	posix_setgid	Set the GID of the current process
2310	posix_setpgid	Set process group id for job control
2311	posix_setrlimit	Set system resource limits
2312	posix_setsid	Make the current process a session leader
2313	posix_setuid	Set the UID of the current process
2314	posix_strerror	Retrieve the system error message associated with the given errno
2315	posix_times	Get process times
2316	posix_ttyname	Determine terminal device name
2317	posix_uname	Get system name
2318	pow	指数表达式
2319	preg_filter	执行一个正则表达式搜索和替换
2320	preg_grep	返回匹配模式的数组条目
2321	preg_last_error	返回最后一个PCRE正则执行产生的错误代码
2322	preg_match	执行匹配正则表达式
2323	preg_match_all	执行一个全局正则表达式匹配
2324	preg_quote	转义正则表达式字符
2325	preg_replace	执行一个正则表达式的搜索和替换
2326	preg_replace_callback	执行一个正则表达式搜索并且使用一个回调进行替换
2327	preg_replace_callback_array	Perform a regular expression search and replace using callbacks
2328	preg_split	通过一个正则表达式分隔字符串
2329	prev	将数组的内部指针倒回一位
2330	print_r	打印关于变量的易于理解的信息。
2331	printf	输出格式化字符串
2332	proc_close	关闭由 proc_open() 打开的进程并且返回进程退出码
2333	proc_get_status	获取由 proc_open() 函数打开的进程的信息
2334	proc_nice	修改当前进程的优先级
2335	proc_open	执行一个命令，并且打开用来输入/输出的文件指针。
2336	proc_terminate	杀除由 proc_open 打开的进程
2337	property_exists	检查对象或类是否具有该属性
2338	pspell_add_to_personal	Add the word to a personal wordlist
2339	pspell_add_to_session	Add the word to the wordlist in the current session
2340	pspell_check	Check a word
2341	pspell_clear_session	Clear the current session
2342	pspell_config_create	Create a config used to open a dictionary
2343	pspell_config_data_dir	Location of language data files
2344	pspell_config_dict_dir	Location of the main word list
2345	pspell_config_ignore	Ignore words less than N characters long
2346	pspell_config_mode	Change the mode number of suggestions returned
2347	pspell_config_personal	Set a file that contains personal wordlist
2348	pspell_config_repl	Set a file that contains replacement pairs
2349	pspell_config_runtogether	Consider run-together words as valid compounds
2350	pspell_config_save_repl	Determine whether to save a replacement pairs list along with the wordlist
2351	pspell_new	Load a new dictionary
2352	pspell_new_config	Load a new dictionary with settings based on a given config
2353	pspell_new_personal	Load a new dictionary with personal wordlist
2354	pspell_save_wordlist	Save the personal wordlist to a file
2355	pspell_store_replacement	Store a replacement pair for a word
2356	pspell_suggest	Suggest spellings of a word
2357	putenv	设置环境变量的值

q
2358	quoted_printable_encode	将 8-bit 字符串转换成 quoted-printable 字符串
2359	quotemeta	转义元字符集

r
2360	rand	产生一个随机整数
2361	random_bytes	Generates cryptographically secure pseudo-random bytes
2362	range	根据范围创建数组，包含指定的元素
2363	rawurldecode	对已编码的 URL 字符串进行解码
2364	rawurlencode	按照 RFC 3986 对 URL 进行编码
2365	read_exif_data	别名 exif_read_data()
2366	readdir	从目录句柄中读取条目
2367	readfile	输出文件
2368	readgzfile	Output a gz-file
2369	readline	读取一行
2370	readline_add_history	添加一行命令行历史记录
2371	readline_callback_handler_install	初始化一个 readline 回调接口，然后终端输出提示信息并立即返回
2372	readline_callback_handler_remove	移除上一个安装的回调函数句柄并且恢复终端设置
2373	readline_callback_read_char	当一个行被接收时读取一个字符并且通知 readline 调用回调函数
2374	readline_clear_history	清除历史
2375	readline_completion_function	注册一个完成函数
2376	readline_info	获取/设置readline内部的各个变量
2377	readline_list_history	获取命令历史列表
2378	readline_on_new_line	通知readline将光标移动到新行
2379	readline_read_history	读取命令历史
2380	readline_redisplay	重绘显示区
2381	readline_write_history	写入历史记录
2382	readlink	返回符号连接指向的目标
2383	realpath	返回规范化的绝对路径名
2384	realpath_cache_get	获取真实目录缓存的详情
2385	realpath_cache_size	获取真实路径缓冲区的大小
2386	recode	别名 recode_string()
2387	recode_file	Recode from file to file according to recode request
2388	recode_string	Recode a string according to a recode request
2389	register_shutdown_function	注册一个会在php中止时执行的函数
2390	register_tick_function	Register a function for execution on each tick
2391	rename	重命名一个文件或目录
2392	reset	将数组的内部指针指向第一个单元
2393	resourcebundle_count	Get number of elements in the bundle
2394	resourcebundle_create	Create a resource bundle
2395	resourcebundle_get	Get data from the bundle
2396	resourcebundle_locales	Get supported locales
2397	restore_error_handler	还原之前的错误处理函数
2398	restore_exception_handler	恢复之前定义过的异常处理函数。
2399	restore_include_path	还原 include_path 配置选项的值
2400	rewind	倒回文件指针的位置
2401	rewinddir	倒回目录句柄
2402	rmdir	删除目录
2403	round	对浮点数进行四舍五入
2404	rrd_create	Creates rrd database file
2405	rrd_error	Gets latest error message
2406	rrd_fetch	Fetch the data for graph as array
2407	rrd_first	Gets the timestamp of the first sample from rrd file
2408	rrd_graph	Creates image from a data
2409	rrd_info	Gets information about rrd file
2410	rrd_last	Gets unix timestamp of the last sample
2411	rrd_lastupdate	Gets information about last updated data
2412	rrd_restore	Restores the RRD file from XML dump
2413	rrd_tune	Tunes some RRD database file header options
2414	rrd_update	Updates the RRD database
2415	rrd_version	Gets information about underlying rrdtool library
2416	rrd_xport	Exports the information about RRD database
2417	rrdcreator::addarchive	Adds RRA - archive of data values for each data source
2418	rrdcreator::adddatasource	Adds data source definition for RRD database
2419	rrdcreator::save	Saves the RRD database to a file
2420	rrdgraph::save	Saves the result of query into image
2421	rrdgraph::saveverbose	Saves the RRD database query into image and returns the verbose information about generated graph
2422	rrdgraph::setoptions	Sets the options for rrd graph export
2423	rrdupdater::update	Update the RRD database file
2424	rsort	对数组逆向排序
2425	rtrim	删除字符串末端的空白字符（或者其他字符）

s
2426	sem_acquire	Acquire a semaphore
2427	sem_get	Get a semaphore id
2428	sem_release	Release a semaphore
2429	sem_remove	Remove a semaphore
2430	serialize	产生一个可存储的值的表示
2431	session_abort	Discard session array changes and finish session
2432	session_cache_expire	返回当前缓存的到期时间
2433	session_cache_limiter	读取/设置缓存限制器
2434	session_commit	session_write_close() 的别名
2435	session_create_id	Create new session id
2436	session_decode	解码会话数据
2437	session_destroy	销毁一个会话中的全部数据
2438	session_encode	将当前会话数据编码为一个字符串
2439	session_gc	Perform session data garbage collection
2440	session_get_cookie_params	获取会话 cookie 参数
2441	session_id	获取/设置当前会话 ID
2442	session_is_registered	检查变量是否在会话中已经注册
2443	session_module_name	获取/设置会话模块名称
2444	session_name	读取/设置会话名称
2445	session_regenerate_id	使用新生成的会话 ID 更新现有会话 ID
2446	session_register	Register one or more global variables with the current session
2447	session_register_shutdown	关闭会话
2448	session_reset	Re-initialize session array with original values
2449	session_save_path	读取/设置当前会话的保存路径
2450	session_set_cookie_params	设置会话 cookie 参数
2451	session_set_save_handler	设置用户自定义会话存储函数
2452	session_start	启动新会话或者重用现有会话
2453	session_status	返回当前会话状态
2454	session_unregister	Unregister a global variable from the current session
2455	session_unset	释放所有的会话变量
2456	session_write_close	Write session data and end session
2457	set_error_handler	设置用户自定义的错误处理函数
2458	set_exception_handler	设置用户自定义的异常处理函数
2459	set_file_buffer	stream_set_write_buffer() 的别名
2460	set_include_path	设置 include_path 配置选项
2461	set_magic_quotes_runtime	设置当前 magic_quotes_runtime 配置选项的激活状态
2462	set_socket_blocking	别名 stream_set_blocking()
2463	set_time_limit	设置脚本最大执行时间
2464	setcookie	发送 Cookie
2465	setlocale	设置地区信息
2466	setrawcookie	发送未经 URL 编码的 cookie
2467	settype	设置变量的类型
2468	sha1	计算字符串的 sha1 散列值
2469	sha1_file	计算文件的 sha1 散列值
2470	shell_exec	通过 shell 环境执行命令，并且将完整的输出以字符串的方式返回。
2471	shm_attach	Creates or open a shared memory segment
2472	shm_detach	Disconnects from shared memory segment
2473	shm_get_var	Returns a variable from shared memory
2474	shm_has_var	Check whether a specific entry exists
2475	shm_put_var	Inserts or updates a variable in shared memory
2476	shm_remove	Removes shared memory from Unix systems
2477	shm_remove_var	Removes a variable from shared memory
2478	shmop_close	Close shared memory block
2479	shmop_delete	Delete shared memory block
2480	shmop_open	Create or open shared memory block
2481	shmop_read	Read data from shared memory block
2482	shmop_size	Get size of shared memory block
2483	shmop_write	Write data into shared memory block
2484	show_source	别名 highlight_file()
2485	shuffle	打乱数组
2486	similar_text	计算两个字符串的相似度
2487	simplexml_import_dom	Get a SimpleXMLElement object from a DOM node
2488	simplexml_load_file	Interprets an XML file into an object
2489	simplexml_load_string	Interprets a string of XML into an object
2490	sin	正弦
2491	sinh	双曲正弦
2492	sizeof	count() 的别名
2493	sleep	延缓执行
2494	snmp2_get	Fetch an SNMP object
2495	snmp2_getnext	Fetch the SNMP object which follows the given object id
2496	snmp2_real_walk	Return all objects including their respective object ID within the specified one
2497	snmp2_set	Set the value of an SNMP object
2498	snmp2_walk	Fetch all the SNMP objects from an agent
2499	snmp3_get	Fetch an SNMP object
2500	snmp3_getnext	Fetch the SNMP object which follows the given object id
2501	snmp3_real_walk	Return all objects including their respective object ID within the specified one
2502	snmp3_set	Set the value of an SNMP object
2503	snmp3_walk	Fetch all the SNMP objects from an agent
2504	snmp_get_quick_print	返回 UCD 库中 quick_print 设置的当前值
2505	snmp_get_valueretrieval	Return the method how the SNMP values will be returned
2506	snmp_read_mib	Reads and parses a MIB file into the active MIB tree
2507	snmp_set_enum_print	Return all values that are enums with their enum value instead of the raw integer
2508	snmp_set_oid_numeric_print	Set the OID output format
2509	snmp_set_oid_output_format	Set the OID output format
2510	snmp_set_quick_print	设置 UCD SNMP 库中 quick_print 的值
2511	snmp_set_valueretrieval	Specify the method how the SNMP values will be returned
2512	snmpget	获取一个 SNMP 对象
2513	snmpgetnext	Fetch the SNMP object which follows the given object id
2514	snmprealwalk	返回指定的所有对象，包括它们各自的对象 ID
2515	snmpset	设置一个 SNMP 对象
2516	snmpwalk	从代理返回所有的 SNMP 对象
2517	snmpwalkoid	查询关于网络实体的信息树
2518	socket_accept	Accepts a connection on a socket
2519	socket_bind	给套接字绑定名字
2520	socket_clear_error	清除套接字或者最后的错误代码上的错误
2521	socket_close	关闭套接字资源
2522	socket_cmsg_space	Calculate message buffer size
2523	socket_connect	开启一个套接字连接
2524	socket_create	创建一个套接字（通讯节点）
2525	socket_create_listen	Opens a socket on port to accept connections
2526	socket_create_pair	Creates a pair of indistinguishable sockets and stores them in an array
2527	socket_get_option	Gets socket options for the socket
2528	socket_get_status	别名 stream_get_meta_data()
2529	socket_getopt	别名 socket_get_option()
2530	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
2531	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
2532	socket_import_stream	Import a stream
2533	socket_last_error	Returns the last error on the socket
2534	socket_listen	Listens for a connection on a socket
2535	socket_read	Reads a maximum of length bytes from a socket
2536	socket_recv	从已连接的socket接收数据
2537	socket_recvfrom	Receives data from a socket whether or not it is connection-oriented
2538	socket_recvmsg	Read a message
2539	socket_select	Runs the select() system call on the given arrays of sockets with a specified timeout
2540	socket_send	Sends data to a connected socket
2541	socket_sendmsg	Send a message
2542	socket_sendto	Sends a message to a socket, whether it is connected or not
2543	socket_set_block	Sets blocking mode on a socket resource
2544	socket_set_blocking	别名 stream_set_blocking()
2545	socket_set_nonblock	Sets nonblocking mode for file descriptor fd
2546	socket_set_option	Sets socket options for the socket
2547	socket_set_timeout	别名 stream_set_timeout()
2548	socket_setopt	别名 socket_set_option()
2549	socket_shutdown	Shuts down a socket for receiving, sending, or both
2550	socket_strerror	Return a string describing a socket error
2551	socket_write	Write to a socket
2552	sort	对数组排序
2553	soundex	Calculate the soundex key of a string
2554	spl_autoload	__autoload()函数的默认实现
2555	spl_autoload_call	尝试调用所有已注册的__autoload()函数来装载请求类
2556	spl_autoload_extensions	注册并返回spl_autoload函数使用的默认文件扩展名。
2557	spl_autoload_functions	返回所有已注册的__autoload()函数。
2558	spl_autoload_register	注册给定的函数作为 __autoload 的实现
2559	spl_autoload_unregister	注销已注册的__autoload()函数
2560	spl_classes	返回所有可用的SPL类
2561	spl_object_hash	返回指定对象的hash id
2562	splfileinfo::getatime	Gets last access time of the file
2563	splfileinfo::getbasename	Gets the base name of the file
2564	splfileinfo::getctime	获取文件 inode 修改时间
2565	splfileinfo::getextension	Gets the file extension
2566	splfileinfo::getfileinfo	Gets an SplFileInfo object for the file
2567	splfileinfo::getfilename	Gets the filename
2568	splfileinfo::getgroup	Gets the file group
2569	splfileinfo::getinode	Gets the inode for the file
2570	splfileinfo::getlinktarget	Gets the target of a link
2571	splfileinfo::getmtime	Gets the last modified time
2572	splfileinfo::getowner	Gets the owner of the file
2573	splfileinfo::getpath	Gets the path without filename
2574	splfileinfo::getpathinfo	Gets an SplFileInfo object for the path
2575	splfileinfo::getpathname	Gets the path to the file
2576	splfileinfo::getperms	Gets file permissions
2577	splfileinfo::getrealpath	Gets absolute path to file
2578	splfileinfo::getsize	Gets file size
2579	splfileinfo::gettype	Gets file type
2580	splfileinfo::isdir	Tells if the file is a directory
2581	splfileinfo::isexecutable	Tells if the file is executable
2582	splfileinfo::isfile	Tells if the object references a regular file
2583	splfileinfo::islink	Tells if the file is a link
2584	splfileinfo::isreadable	Tells if file is readable
2585	splfileinfo::iswritable	Tells if the entry is writable
2586	splfileinfo::setfileclass	Sets the class used with SplFileInfo::openFile()
2587	splfileinfo::setinfoclass	Sets the class used with SplFileInfo::getFileInfo() and SplFileInfo::getPathInfo()
2588	split	用正则表达式将字符串分割到数组中
2589	spliti	用正则表达式不区分大小写将字符串分割到数组中
2590	spoofchecker::areconfusable	Checks if given strings can be confused
2591	spoofchecker::issuspicious	Checks if a given text contains any suspicious characters
2592	spoofchecker::setallowedlocales	Locales to use when running checks
2593	spoofchecker::setchecks	Set the checks to run
2594	sprintf	Return a formatted string
2595	sql_regcase	产生用于不区分大小的匹配的正则表达式
2596	sqlite_array_query	Execute a query against a given database and returns an array
2597	sqlite_busy_timeout	Set busy timeout duration, or disable busy handlers
2598	sqlite_changes	Returns the number of rows that were changed by the most recent SQL statement
2599	sqlite_close	Closes an open SQLite database
2600	sqlite_column	Fetches a column from the current row of a result set
2601	sqlite_create_aggregate	Register an aggregating UDF for use in SQL statements
2602	sqlite_create_function	Registers a "regular" User Defined Function for use in SQL statements
2603	sqlite_current	Fetches the current row from a result set as an array
2604	sqlite_error_string	Returns the textual description of an error code
2605	sqlite_escape_string	Escapes a string for use as a query parameter
2606	sqlite_exec	Executes a result-less query against a given database
2607	sqlite_factory	Opens an SQLite database and returns an SQLiteDatabase object
2608	sqlite_fetch_all	Fetches all rows from a result set as an array of arrays
2609	sqlite_fetch_array	Fetches the next row from a result set as an array
2610	sqlite_fetch_column_types	Return an array of column types from a particular table
2611	sqlite_fetch_object	Fetches the next row from a result set as an object
2612	sqlite_fetch_single	Fetches the first column of a result set as a string
2613	sqlite_fetch_string	别名 sqlite_fetch_single()
2614	sqlite_field_name	Returns the name of a particular field
2615	sqlite_has_more	Finds whether or not more rows are available
2616	sqlite_has_prev	Returns whether or not a previous row is available
2617	sqlite_last_error	Returns the error code of the last error for a database
2618	sqlite_last_insert_rowid	Returns the rowid of the most recently inserted row
2619	sqlite_libencoding	Returns the encoding of the linked SQLite library
2620	sqlite_libversion	Returns the version of the linked SQLite library
2621	sqlite_next	Seek to the next row number
2622	sqlite_num_fields	Returns the number of fields in a result set
2623	sqlite_num_rows	Returns the number of rows in a buffered result set
2624	sqlite_open	Opens an SQLite database and create the database if it does not exist
2625	sqlite_popen	Opens a persistent handle to an SQLite database and create the database if it does not exist
2626	sqlite_prev	Seek to the previous row number of a result set
2627	sqlite_query	Executes a query against a given database and returns a result handle
2628	sqlite_rewind	Seek to the first row number
2629	sqlite_seek	Seek to a particular row number of a buffered result set
2630	sqlite_single_query	Executes a query and returns either an array for one single column or the value of the first row
2631	sqlite_udf_decode_binary	Decode binary data passed as parameters to an UDF
2632	sqlite_udf_encode_binary	Encode binary data before returning it from an UDF
2633	sqlite_unbuffered_query	Execute a query that does not prefetch and buffer all data
2634	sqlite_valid	Returns whether more rows are available
2635	sqlsrv_begin_transaction	Begins a database transaction
2636	sqlsrv_cancel	Cancels a statement
2637	sqlsrv_client_info	Returns information about the client and specified connection
2638	sqlsrv_close	Closes an open connection and releases resourses associated with the connection
2639	sqlsrv_commit	Commits a transaction that was begun with sqlsrv_begin_transaction()
2640	sqlsrv_configure	Changes the driver error handling and logging configurations
2641	sqlsrv_connect	Opens a connection to a Microsoft SQL Server database
2642	sqlsrv_errors	Returns error and warning information about the last SQLSRV operation performed
2643	sqlsrv_execute	Executes a statement prepared with sqlsrv_prepare()
2644	sqlsrv_fetch	Makes the next row in a result set available for reading
2645	sqlsrv_fetch_array	Returns a row as an array
2646	sqlsrv_fetch_object	Retrieves the next row of data in a result set as an object
2647	sqlsrv_field_metadata	Retrieves metadata for the fields of a statement prepared by sqlsrv_prepare() or sqlsrv_query()
2648	sqlsrv_free_stmt	Frees all resources for the specified statement
2649	sqlsrv_get_config	Returns the value of the specified configuration setting
2650	sqlsrv_get_field	Gets field data from the currently selected row
2651	sqlsrv_has_rows	Indicates whether the specified statement has rows
2652	sqlsrv_next_result	Makes the next result of the specified statement active
2653	sqlsrv_num_fields	Retrieves the number of fields (columns) on a statement
2654	sqlsrv_num_rows	Retrieves the number of rows in a result set
2655	sqlsrv_prepare	Prepares a query for execution
2656	sqlsrv_query	Prepares and executes a query
2657	sqlsrv_rollback	Rolls back a transaction that was begun with sqlsrv_begin_transaction()
2658	sqlsrv_rows_affected	Returns the number of rows modified by the last INSERT, UPDATE, or DELETE query executed
2659	sqlsrv_send_stream_data	Sends data from parameter streams to the server
2660	sqlsrv_server_info	Returns information about the server
2661	sqrt	平方根
2662	srand	播下随机数发生器种子
2663	sscanf	根据指定格式解析输入的字符
2664	ssh2_auth_hostbased_file	Authenticate using a public hostkey
2665	ssh2_auth_none	Authenticate as "none"
2666	ssh2_auth_password	Authenticate over SSH using a plain password
2667	ssh2_auth_pubkey_file	Authenticate using a public key
2668	ssh2_connect	Connect to an SSH server
2669	ssh2_exec	Execute a command on a remote server
2670	ssh2_fetch_stream	Fetch an extended data stream
2671	ssh2_fingerprint	Retrieve fingerprint of remote server
2672	ssh2_methods_negotiated	Return list of negotiated methods
2673	ssh2_publickey_add	Add an authorized publickey
2674	ssh2_publickey_init	Initialize Publickey subsystem
2675	ssh2_publickey_list	List currently authorized publickeys
2676	ssh2_publickey_remove	Remove an authorized publickey
2677	ssh2_scp_recv	Request a file via SCP
2678	ssh2_scp_send	Send a file via SCP
2679	ssh2_sftp	Initialize SFTP subsystem
2680	ssh2_sftp_lstat	Stat a symbolic link
2681	ssh2_sftp_mkdir	Create a directory
2682	ssh2_sftp_readlink	Return the target of a symbolic link
2683	ssh2_sftp_realpath	Resolve the realpath of a provided path string
2684	ssh2_sftp_rename	Rename a remote file
2685	ssh2_sftp_rmdir	Remove a directory
2686	ssh2_sftp_stat	Stat a file on a remote filesystem
2687	ssh2_sftp_symlink	Create a symlink
2688	ssh2_sftp_unlink	Delete a file
2689	ssh2_shell	Request an interactive shell
2690	ssh2_tunnel	Open a tunnel through a remote server
2691	stat	给出文件的信息
2692	str_getcsv	解析 CSV 字符串为一个数组
2693	str_ireplace	str_replace() 的忽略大小写版本
2694	str_pad	使用另一个字符串填充字符串为指定长度
2695	str_repeat	重复一个字符串
2696	str_replace	子字符串替换
2697	str_rot13	对字符串执行 ROT13 转换
2698	str_shuffle	随机打乱一个字符串
2699	str_split	将字符串转换为数组
2700	str_word_count	返回字符串中单词的使用情况
2701	strcasecmp	二进制安全比较字符串（不区分大小写）
2702	strchr	别名 strstr()
2703	strcmp	二进制安全字符串比较
2704	strcoll	基于区域设置的字符串比较
2705	strcspn	获取不匹配遮罩的起始子字符串的长度
2706	stream_bucket_append	Append bucket to brigade
2707	stream_bucket_make_writeable	Return a bucket object from the brigade for operating on
2708	stream_bucket_new	Create a new bucket for use on the current stream
2709	stream_bucket_prepend	Prepend bucket to brigade
2710	stream_context_create	创建资源流上下文
2711	stream_context_get_default	Retrieve the default stream context
2712	stream_context_get_options	获取资源流/数据包/上下文的参数
2713	stream_context_get_params	Retrieves parameters from a context
2714	stream_context_set_default	Set the default stream context
2715	stream_context_set_option	对资源流、数据包或者上下文设置参数
2716	stream_context_set_params	Set parameters for a stream/wrapper/context
2717	stream_copy_to_stream	Copies data from one stream to another
2718	stream_filter_append	Attach a filter to a stream
2719	stream_filter_prepend	Attach a filter to a stream
2720	stream_filter_register	Register a user defined stream filter
2721	stream_filter_remove	从资源流里移除某个过滤器
2722	stream_get_contents	读取资源流到一个字符串
2723	stream_get_filters	获取已注册的数据流过滤器列表
2724	stream_get_line	从资源流里读取一行直到给定的定界符
2725	stream_get_meta_data	从封装协议文件指针中取得报头／元数据
2726	stream_get_transports	获取已注册的套接字传输协议列表
2727	stream_get_wrappers	获取已注册的流类型
2728	stream_is_local	Checks if a stream is a local stream
2729	stream_register_wrapper	别名 stream_wrapper_register()
2730	stream_resolve_include_path	Resolve filename against the include path
2731	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
2732	stream_set_blocking	为资源流设置阻塞或者阻塞模式
2733	stream_set_chunk_size	设置资源流区块大小
2734	stream_set_read_buffer	Set read file buffering on the given stream
2735	stream_set_timeout	Set timeout period on a stream
2736	stream_set_write_buffer	Sets write file buffering on the given stream
2737	stream_socket_accept	接受由 stream_socket_server() 创建的套接字连接
2738	stream_socket_client	Open Internet or Unix domain socket connection
2739	stream_socket_enable_crypto	Turns encryption on/off on an already connected socket
2740	stream_socket_get_name	获取本地或者远程的套接字名称
2741	stream_socket_pair	创建一对完全一样的网络套接字连接流
2742	stream_socket_recvfrom	Receives data from a socket, connected or not
2743	stream_socket_sendto	Sends a message to a socket, whether it is connected or not
2744	stream_socket_server	Create an Internet or Unix domain server socket
2745	stream_socket_shutdown	Shutdown a full-duplex connection
2746	stream_supports_lock	Tells whether the stream supports locking
2747	stream_wrapper_register	注册一个用 PHP 类实现的 URL 封装协议
2748	stream_wrapper_restore	Restores a previously unregistered built-in wrapper
2749	stream_wrapper_unregister	Unregister a URL wrapper
2750	strftime	根据区域设置格式化本地时间／日期
2751	strip_tags	从字符串中去除 HTML 和 PHP 标记
2752	stripcslashes	反引用一个使用 addcslashes() 转义的字符串
2753	stripos	查找字符串首次出现的位置（不区分大小写）
2754	stripslashes	反引用一个引用字符串
2755	stristr	strstr() 函数的忽略大小写版本
2756	strlen	获取字符串长度
2757	strnatcasecmp	使用“自然顺序”算法比较字符串（不区分大小写）
2758	strnatcmp	使用自然排序算法比较字符串
2759	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）
2760	strncmp	二进制安全比较字符串开头的若干个字符
2761	strpbrk	在字符串中查找一组字符的任何一个字符
2762	strpos	查找字符串首次出现的位置
2763	strptime	解析由 strftime() 生成的日期／时间
2764	strrchr	查找指定字符在字符串中的最后一次出现
2765	strrev	反转字符串
2766	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）
2767	strrpos	计算指定字符串在目标字符串中最后一次出现的位置
2768	strspn	计算字符串中全部字符都存在于指定字符集合中的第一段子串的长度。
2769	strstr	查找字符串的首次出现
2770	strtok	标记分割字符串
2771	strtolower	将字符串转化为小写
2772	strtotime	将任何字符串的日期时间描述解析为 Unix 时间戳
2773	strtoupper	将字符串转化为大写
2774	strtr	转换指定字符
2775	strval	获取变量的字符串值
2776	substr	返回字符串的子串
2777	substr_compare	二进制安全比较字符串（从偏移位置比较指定长度）
2778	substr_count	计算字串出现的次数
2779	substr_replace	替换字符串的子串
2780	svn_add	计划在工作目录添加项
2781	svn_auth_get_parameter	Retrieves authentication parameter
2782	svn_auth_set_parameter	Sets an authentication parameter
2783	svn_blame	Get the SVN blame for a file
2784	svn_cat	Returns the contents of a file in a repository
2785	svn_checkout	Checks out a working copy from the repository
2786	svn_cleanup	Recursively cleanup a working copy directory, finishing incomplete operations and removing locks
2787	svn_client_version	Returns the version of the SVN client libraries
2788	svn_commit	将修改的本地文件副本发送至版本库
2789	svn_delete	Delete items from a working copy or repository
2790	svn_diff	Recursively diffs two paths
2791	svn_export	Export the contents of a SVN directory
2792	svn_fs_abort_txn	Abort a transaction, returns true if everything is okay, false otherwise
2793	svn_fs_apply_text	Creates and returns a stream that will be used to replace
2794	svn_fs_begin_txn2	Create a new transaction
2795	svn_fs_change_node_prop	Return true if everything is ok, false otherwise
2796	svn_fs_check_path	Determines what kind of item lives at path in a given repository fsroot
2797	svn_fs_contents_changed	Return true if content is different, false otherwise
2798	svn_fs_copy	Copies a file or a directory, returns true if all is ok, false otherwise
2799	svn_fs_delete	Deletes a file or a directory, return true if all is ok, false otherwise
2800	svn_fs_dir_entries	Enumerates the directory entries under path; returns a hash of dir names to file type
2801	svn_fs_file_contents	Returns a stream to access the contents of a file from a given version of the fs
2802	svn_fs_file_length	Returns the length of a file from a given version of the fs
2803	svn_fs_is_dir	Return true if the path points to a directory, false otherwise
2804	svn_fs_is_file	Return true if the path points to a file, false otherwise
2805	svn_fs_make_dir	Creates a new empty directory, returns true if all is ok, false otherwise
2806	svn_fs_make_file	Creates a new empty file, returns true if all is ok, false otherwise
2807	svn_fs_node_created_rev	Returns the revision in which path under fsroot was created
2808	svn_fs_node_prop	Returns the value of a property for a node
2809	svn_fs_props_changed	Return true if props are different, false otherwise
2810	svn_fs_revision_prop	Fetches the value of a named property
2811	svn_fs_revision_root	Get a handle on a specific version of the repository root
2812	svn_fs_txn_root	Creates and returns a transaction root
2813	svn_fs_youngest_rev	Returns the number of the youngest revision in the filesystem
2814	svn_import	Imports an unversioned path into a repository
2815	svn_log	Returns the commit log messages of a repository URL
2816	svn_ls	Returns list of directory contents in repository URL, optionally at revision number
2817	svn_mkdir	Creates a directory in a working copy or repository
2818	svn_repos_create	Create a new subversion repository at path
2819	svn_repos_fs	Gets a handle on the filesystem for a repository
2820	svn_repos_fs_begin_txn_for_commit	Create a new transaction
2821	svn_repos_fs_commit_txn	Commits a transaction and returns the new revision
2822	svn_repos_hotcopy	Make a hot-copy of the repos at repospath; copy it to destpath
2823	svn_repos_open	Open a shared lock on a repository
2824	svn_repos_recover	Run recovery procedures on the repository located at path
2825	svn_revert	Revert changes to the working copy
2826	svn_status	Returns the status of working copy files and directories
2827	svn_update	Update working copy
2828	sybase_affected_rows	Gets number of affected rows in last query
2829	sybase_close	Closes a Sybase connection
2830	sybase_connect	Opens a Sybase server connection
2831	sybase_data_seek	Moves internal row pointer
2832	sybase_deadlock_retry_count	Sets the deadlock retry count
2833	sybase_fetch_array	Fetch row as array
2834	sybase_fetch_assoc	Fetch a result row as an associative array
2835	sybase_fetch_field	Get field information from a result
2836	sybase_fetch_object	Fetch a row as an object
2837	sybase_fetch_row	Get a result row as an enumerated array
2838	sybase_field_seek	Sets field offset
2839	sybase_free_result	Frees result memory
2840	sybase_get_last_message	Returns the last message from the server
2841	sybase_min_client_severity	Sets minimum client severity
2842	sybase_min_server_severity	Sets minimum server severity
2843	sybase_num_fields	Gets the number of fields in a result set
2844	sybase_num_rows	Get number of rows in a result set
2845	sybase_pconnect	Open persistent Sybase connection
2846	sybase_query	Sends a Sybase query
2847	sybase_result	Get result data
2848	sybase_select_db	Selects a Sybase database
2849	sybase_set_message_handler	Sets the handler called when a server message is raised
2850	sybase_unbuffered_query	Send a Sybase query and do not block
2851	symlink	建立符号连接
2852	sys_get_temp_dir	返回用于临时文件的目录
2853	sys_getloadavg	获取系统的负载（load average）
2854	syslog	Generate a system log message
2855	system	执行外部程序，并且显示输出

t
2856	tanh	双曲正切
2857	tempnam	建立一个具有唯一文件名的文件
2858	textdomain	Sets the default domain
2859	tidy_access_count	Returns the Number of Tidy accessibility warnings encountered for specified document
2860	tidy_config_count	Returns the Number of Tidy configuration errors encountered for specified document
2861	tidy_diagnose	Run configured diagnostics on parsed and repaired markup
2862	tidy_error_count	Returns the Number of Tidy errors encountered for specified document
2863	tidy_get_output	Return a string representing the parsed tidy markup
2864	tidy_getopt	Returns the value of the specified configuration option for the tidy document
2865	tidy_warning_count	Returns the Number of Tidy warnings encountered for specified document
2866	time	返回当前的 Unix 时间戳
2867	time_nanosleep	延缓执行若干秒和纳秒
2868	time_sleep_until	使脚本睡眠到指定的时间为止。
2869	timezone_abbreviations_list	别名 DateTimeZone::listAbbreviations()
2870	timezone_identifiers_list	别名 DateTimeZone::listIdentifiers()
2871	timezone_location_get	别名 DateTimeZone::getLocation()
2872	timezone_name_from_abbr	Returns the timezone name from abbreviation
2873	timezone_name_get	别名 DateTimeZone::getName()
2874	timezone_offset_get	别名 DateTimeZone::getOffset()
2875	timezone_open	别名 DateTimeZone::__construct()
2876	timezone_transitions_get	别名 DateTimeZone::getTransitions()
2877	timezone_version_get	Gets the version of the timezonedb
2878	tmpfile	建立一个临时文件
2879	token_get_all	将提供的源码按 PHP 标记进行分割
2880	token_name	获取提供的 PHP 解析器代号的符号名称
2881	touch	设定文件的访问和修改时间
2882	trait_exists	检查指定的 trait 是否存在
2883	transliterator::createinverse	Create an inverse transliterator
2884	transliterator::geterrorcode	Get last error code
2885	transliterator::geterrormessage	Get last error message
2886	transliterator::transliterate	Transliterate a string
2887	transliterator_create	Create a transliterator
2888	transliterator_transliterate	Transliterate a string
2889	trigger_error	产生一个用户级别的 error/warning/notice 信息
2890	trim	去除字符串首尾处的空白字符（或者其他字符）

u
2891	ucfirst	将字符串的首字母转换为大写
2892	uconverter::convert	Convert string from one charset to another
2893	uconverter::fromucallback	Default "from" callback function
2894	uconverter::getdestinationencoding	Get the destination encoding
2895	uconverter::getdestinationtype	Get the destination converter type
2896	uconverter::geterrorcode	Get last error code on the object
2897	uconverter::geterrormessage	Get last error message on the object
2898	uconverter::getsourceencoding	Get the source encoding
2899	uconverter::getsourcetype	Get the source convertor type
2900	uconverter::getsubstchars	Get substitution chars
2901	uconverter::setdestinationencoding	Set the destination encoding
2902	uconverter::setsourceencoding	Set the source encoding
2903	uconverter::setsubstchars	Set the substitution chars
2904	uconverter::toucallback	Default "to" callback function
2905	ucwords	将字符串中每个单词的首字母转换为大写
2906	uksort	使用用户自定义的比较函数对数组中的键名进行排序
2907	umask	改变当前的 umask
2908	uniqid	生成一个唯一ID
2909	unixtojd	转变Unix时间戳为Julian Day计数
2910	unlink	删除文件
2911	unpack	Unpack data from binary string
2912	unregister_tick_function	De-register a function for execution on each tick
2913	unserialize	从已存储的表示中创建 PHP 的值
2914	urldecode	解码已编码的 URL 字符串
2915	urlencode	编码 URL 字符串
2916	use_soap_error_handler	Set whether to use the SOAP error handler
2917	user_error	trigger_error() 的别名
2918	usleep	以指定的微秒数延迟执行
2919	usort	使用用户自定义的比较函数对数组中的值进行排序
2920	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。
2921	utf8_encode	将 ISO-8859-1 编码的字符串转换为 UTF-8 编码

v
2922	var_export	输出或返回一个变量的字符串表示
2923	version_compare	对比两个「PHP 规范化」的版本数字字符串
2924	vfprintf	将格式化字符串写入流
2925	virtual	执行 Apache 子请求
2926	vprintf	输出格式化字符串
2927	vsprintf	返回格式化字符串

w
2928	wddx_deserialize	Unserializes a WDDX packet
2929	wddx_packet_end	Ends a WDDX packet with the specified ID
2930	wddx_packet_start	Starts a new WDDX packet with structure inside it
2931	wddx_serialize_value	Serialize a single value into a WDDX packet
2932	wddx_serialize_vars	Serialize variables into a WDDX packet
2933	wincache_fcache_fileinfo	Retrieves information about files cached in the file cache
2934	wincache_fcache_meminfo	Retrieves information about file cache memory usage
2935	wincache_lock	Acquires an exclusive lock on a given key
2936	wincache_ocache_fileinfo	Retrieves information about files cached in the opcode cache
2937	wincache_ocache_meminfo	Retrieves information about opcode cache memory usage
2938	wincache_refresh_if_changed	Refreshes the cache entries for the cached files
2939	wincache_rplist_fileinfo	Retrieves information about resolve file path cache
2940	wincache_rplist_meminfo	Retrieves information about memory usage by the resolve file path cache
2941	wincache_scache_info	Retrieves information about files cached in the session cache
2942	wincache_scache_meminfo	Retrieves information about session cache memory usage
2943	wincache_ucache_add	Adds a variable in user cache only if variable does not already exist in the cache
2944	wincache_ucache_cas	Compares the variable with old value and assigns new value to it
2945	wincache_ucache_clear	Deletes entire content of the user cache
2946	wincache_ucache_dec	Decrements the value associated with the key
2947	wincache_ucache_delete	Deletes variables from the user cache
2948	wincache_ucache_exists	Checks if a variable exists in the user cache
2949	wincache_ucache_get	Gets a variable stored in the user cache
2950	wincache_ucache_inc	Increments the value associated with the key
2951	wincache_ucache_info	Retrieves information about data stored in the user cache
2952	wincache_ucache_meminfo	Retrieves information about user cache memory usage
2953	wincache_ucache_set	Adds a variable in user cache and overwrites a variable if it already exists in the cache
2954	wincache_unlock	Releases an exclusive lock on a given key
2955	wordwrap	打断字符串为指定数量的字串

x
2956	xhprof_enable	启动 xhprof 性能分析器
2957	xhprof_sample_disable	停止 xhprof 性能采样分析器
2958	xhprof_sample_enable	以采样模式启动 XHProf 性能分析
2959	xml_error_string	获取 XML 解析器的错误字符串
2960	xml_get_current_byte_index	获取 XML 解析器的当前字节索引
2961	xml_get_current_column_number	获取 XML 解析器的当前列号
2962	xml_get_current_line_number	获取 XML 解析器的当前行号
2963	xml_get_error_code	获取 XML 解析器错误代码
2964	xml_parse	开始解析一个 XML 文档
2965	xml_parse_into_struct	将 XML 数据解析到数组中
2966	xml_parser_create	建立一个 XML 解析器
2967	xml_parser_create_ns	生成一个支持命名空间的 XML 解析器
2968	xml_parser_free	释放指定的 XML 解析器
2969	xml_parser_get_option	从 XML 解析器获取选项设置信息
2970	xml_parser_set_option	为指定 XML 解析进行选项设置
2971	xml_set_character_data_handler	建立字符数据处理器
2972	xml_set_default_handler	建立默认处理器
2973	xml_set_element_handler	建立起始和终止元素处理器
2974	xml_set_end_namespace_decl_handler	建立终止命名空间声明处理器
2975	xml_set_external_entity_ref_handler	建立外部实体指向处理器
2976	xml_set_notation_decl_handler	建立注释声明处理器
2977	xml_set_object	在对象中使用 XML 解析器
2978	xml_set_processing_instruction_handler	建立处理指令（PI）处理器
2979	xml_set_start_namespace_decl_handler	建立起始命名空间声明处理器
2980	xml_set_unparsed_entity_decl_handler	建立未解析实体定义声明处理器
2981	xmlrpc_decode	将 XML 译码为 PHP 本身的类型
2982	xmlrpc_decode_request	将 XML 译码为 PHP 本身的类型
2983	xmlrpc_encode	为 PHP 的值生成 XML
2984	xmlrpc_encode_request	为 PHP 的值生成 XML
2985	xmlrpc_get_type	为 PHP 的值获取 xmlrpc 的类型
2986	xmlrpc_is_fault	Determines if an array value represents an XMLRPC fault
2987	xmlrpc_parse_method_descriptions	将 XML 译码成方法描述的列表
2988	xmlrpc_server_add_introspection_data	添加自我描述的文档
2989	xmlrpc_server_call_method	解析 XML 请求同时调用方法
2990	xmlrpc_server_create	创建一个 xmlrpc 服务端
2991	xmlrpc_server_destroy	销毁服务端资源
2992	xmlrpc_server_register_introspection_callback	注册一个 PHP 函数用于生成文档
2993	xmlrpc_server_register_method	注册一个 PHP 函数用于匹配 xmlrpc 方法名
2994	xmlrpc_set_type	为一个 PHP 字符串值设置 xmlrpc 的类型、base64 或日期时间
2995	xmlwriter_end_attribute	End attribute
2996	xmlwriter_end_cdata	End current CDATA
2997	xmlwriter_end_comment	Create end comment
2998	xmlwriter_end_document	End current document
2999	xmlwriter_end_dtd	End current DTD
3000	xmlwriter_end_dtd_attlist	End current DTD AttList
3001	xmlwriter_end_dtd_element	End current DTD element
3002	xmlwriter_end_dtd_entity	End current DTD Entity
3003	xmlwriter_end_element	End current element
3004	xmlwriter_end_pi	End current PI
3005	xmlwriter_flush	Flush current buffer
3006	xmlwriter_full_end_element	End current element
3007	xmlwriter_open_memory	Create new xmlwriter using memory for string output
3008	xmlwriter_open_uri	Create new xmlwriter using source uri for output
3009	xmlwriter_output_memory	Returns current buffer
3010	xmlwriter_set_indent	Toggle indentation on/off
3011	xmlwriter_set_indent_string	Set string used for indenting
3012	xmlwriter_start_attribute	Create start attribute
3013	xmlwriter_start_attribute_ns	Create start namespaced attribute
3014	xmlwriter_start_cdata	Create start CDATA tag
3015	xmlwriter_start_comment	Create start comment
3016	xmlwriter_start_document	Create document tag
3017	xmlwriter_start_dtd	Create start DTD tag
3018	xmlwriter_start_dtd_attlist	Create start DTD AttList
3019	xmlwriter_start_dtd_element	Create start DTD element
3020	xmlwriter_start_dtd_entity	Create start DTD Entity
3021	xmlwriter_start_element	Create start element tag
3022	xmlwriter_start_element_ns	Create start namespaced element tag
3023	xmlwriter_start_pi	Create start PI tag
3024	xmlwriter_text	Write text
3025	xmlwriter_write_attribute	Write full attribute
3026	xmlwriter_write_attribute_ns	Write full namespaced attribute
3027	xmlwriter_write_cdata	Write full CDATA tag
3028	xmlwriter_write_comment	Write full comment tag
3029	xmlwriter_write_dtd	Write full DTD tag
3030	xmlwriter_write_dtd_attlist	Write full DTD AttList tag
3031	xmlwriter_write_dtd_element	Write full DTD element tag
3032	xmlwriter_write_dtd_entity	Write full DTD Entity tag
3033	xmlwriter_write_element	Write full element tag
3034	xmlwriter_write_element_ns	Write full namespaced element tag
3035	xmlwriter_write_pi	Writes a PI
3036	xmlwriter_write_raw	Write a raw XML text

y
3037	yaml_emit_file	Send the YAML representation of a value to a file
3038	yaml_parse	Parse a YAML stream
3039	yaml_parse_file	Parse a YAML stream from a file
3040	yaml_parse_url	Parse a Yaml stream from a URL

z
3041	zend_version	获取当前 Zend 引擎的版本
3042	zip_close	关闭一个ZIP档案文件
3043	zip_entry_close	关闭目录项
3044	zip_entry_compressedsize	检索目录项压缩过后的大小
3045	zip_entry_compressionmethod	检索目录实体的压缩方法
3046	zip_entry_filesize	检索目录实体的实际大小
3047	zip_entry_name	检索目录项的名称
3048	zip_entry_open	打开用于读取的目录实体
3049	zip_entry_read	读取一个打开了的压缩目录实体
3050	zip_open	打开ZIP存档文件
3051	zip_read	读取ZIP存档文件中下一项
3052	ziparchive::setpassword	Set the password for the active archive
3053	zlib_decode	Uncompress any raw/gzip/zlib encoded data
3054	zlib_encode	Compress data with the specified encoding
3055	zlib_get_coding_type	Returns the coding type used for output compression