函数参考
目录
Arrays
- array_change_key_case
- array_chunk
- array_combine
- array_count_values
- array_diff
- array_diff_assoc
- array_diff_key
- array_diff_uassoc
- array_diff_ukey
- array_fill
- array_fill_keys
- array_filter
- array_flip
- array_intersect
- array_intersect_assoc
- array_intersect_key
- array_intersect_uassoc
- array_intersect_ukey
- array_key_exists
- array_keys
- array_map
- array_merge
- array_merge_recursive
- array_multisort
- array_pad
- array_pop
- array_product
- array_push
- array_rand
- array_reduce
- array_replace
- array_replace_recursive
- array_reverse
- array_search
- array_shift
- array_slice
- array_splice
- array_sum
- array_udiff
- array_udiff_assoc
- array_udiff_uassoc
- array_uintersect
- array_uintersect_assoc
- array_uintersect_uassoc
- array_unique
- array_unshift
- array_values
- array_walk
- array_walk_recursive
- arsort
- asort
- compact
- count
- current
- each
- end
- extract
- in_array
- is_countable
- key
- krsort
- ksort
- list
- natcasesort
- natsort
- next
- prev
- range
- reset
- rsort
- shuffle
- sort
- uasort
- uksort
- usort
Classes and Objects
- class_alias
- class_exists
- get_called_class
- get_class
- get_class_methods
- get_class_vars
- get_declared_classes
- get_declared_interfaces
- get_declared_traits
- get_object_vars
- get_parent_class
- interface_exists
- is_a
- is_subclass_of
- method_exists
- property_exists
- trait_exists
- Data Filtering
- filter_has_var
- filter_id
- filter_input_array
- filter_var
- filter_input
- filter_list
- filter_var_array
Date and Time
- checkdate
- date
- date_default_timezone_get
- date_default_timezone_set
- date_parse
- date_parse_from_format
- date_sun_info
- date_sunrise
- date_sunset
- getdate
- gettimeofday
- gmdate
- gmmktime
- gmstrftime
- hrtime
- idate
- localtime
- microtime
- mktime
- strftime
- strptime
- strtotime
- time
- timezone_name_from_abbr
- timezone_version_get
Directories
- chdir
- chroot
- closedir
- dir
- getcwd
- opendir
- readdir
- rewinddir
- scandir
Errors and Logging
- debug_backtrace
- debug_print_backtrace
- error_clear_last
- error_get_last
- error_log
- error_reporting
- restore_error_handler
- restore_exception_handler
- set_error_handler
- set_exception_handler
- trigger_error
Filesystem
- basename
- chgrp
- chmod
- chown
- clearstatcache
- copy
- dirname
- disk_free_space
- disk_total_space
- fclose
- feof
- fflush
- fgetc
- fgetcsv
- fgets
- fgetss
- file
- file_exists
- file_get_contents
- file_put_contents
- fileatime
- filectime
- filegroup
- fileinode
- filemtime
- fileowner
- fileperms
- filesize
- filetype
- flock
- fnmatch
- fopen
- fpassthru
- fputcsv
- fread
- fscanf
- fseek
- fstat
- ftell
- ftruncate
- fwrite
- glob
- is_dir
- is_executable
- is_file
- is_link
- is_readable
- is_uploaded_file
- is_writable
- lchgrp
- lchown
- link
- linkinfo
- lstat
- mkdir
- move_uploaded_file
- parse_ini_file
- parse_ini_string
- pathinfo
- pclose
- popen
- readfile
- readlink
- realpath_cache_get
- realpath_cache_size
- realpath
- rename
- rewind
- rmdir
- stat
- symlink
- tempnam
- tmpfile
- touch
- umask
- unlink
Functions
- call_user_func
- call_user_func_array
- create_function
- forward_static_call
- forward_static_call_array
- func_get_arg
- func_get_args
- func_num_args
- function_exists
- get_defined_functions
- register_shutdown_function
- register_tick_function
- unregister_tick_function
Mail
Math
- abs
- acos
- acosh
- asin
- asinh
- atan2
- atan
- atanh
- base_convert
- bindec
- ceil
- cos
- cosh
- decbin
- dechex
- decoct
- deg2rad
- exp
- expm1
- floor
- fmod
- getrandmax
- hexdec
- hypot
- is_finite
- is_infinite
- is_nan
- lcg_value
- log10
- log1p
- log
- max
- min
- mt_getrandmax
- mt_rand
- mt_srand
- octdec
- pi
- pow
- rad2deg
- rand
- random_int
- round
- sin
- sinh
- sqrt
- srand
- tan
- tanh
Miscellaneous Functions
- connection_aborted
- connection_status
- constant
- define
- defined
- get_browser
- highlight_file
- highlight_string
- ignore_user_abort
- pack
- php_strip_whitespace
- sleep
- sys_getloadavg
- time_nanosleep
- time_sleep_until
- uniqid
- unpack
- usleep
Network
- checkdnsrr
- closelog
- fsockopen
- gethostbyaddr
- gethostbyname
- gethostbynamel
- gethostname
- getmxrr
- getprotobyname
- getprotobynumber
- getservbyname
- getservbyport
- header
- header_remove
- headers_list
- headers_sent
- inet_ntop
- inet_pton
- ip2long
- long2ip
- openlog
- pfsockopen
- setcookie
- setrawcookie
- syslog
Output Buffering
- flush
- ob_clean
- ob_end_clean
- ob_end_flush
- ob_flush
- ob_get_clean
- ob_get_contents
- ob_get_flush
- ob_get_length
- ob_get_level
- ob_get_status
- ob_gzhandler
- ob_implicit_flush
- ob_list_handlers
- ob_start
- output_add_rewrite_var
- output_reset_rewrite_vars
PHP Language Tokenizer
- token_get_all
- token_name
PHP Options/Info
- assert_options
- assert
- extension_loaded
- gc_collect_cycles
- gc_disable
- gc_enable
- gc_enabled
- get_cfg_var
- get_current_user
- get_defined_constants
- get_extension_funcs
- get_include_path
- get_included_files
- get_loaded_extensions
- getenv
- getlastmod
- getmygid
- getmyinode
- getmypid
- getmyuid
- getopt
- getrusage
- ini_get_all
- ini_get
- ini_restore
- ini_set
- memory_get_peak_usage
- memory_get_usage
- php_ini_loaded_file
- php_ini_scanned_files
- php_logo_guid
- php_sapi_name
- php_uname
- phpcredits
- phpinfo
- phpversion
- putenv
- set_include_path
- set_time_limit
- sys_get_temp_dir
- version_compare
- zend_logo_guid
- zend_thread_id
- zend_version
Program Execution
- escapeshellarg
- escapeshellcmd
- exec
- passthru
- proc_close
- proc_get_status
- proc_nice
- proc_open
- proc_terminate
- shell_exec
- system
Session Handling
- session_cache_expire
- session_cache_limiter
- session_decode
- session_destroy
- session_encode
- session_get_cookie_params
- session_id
- session_module_name
- session_name
- session_regenerate_id
- session_register_shutdown
- session_save_path
- session_set_cookie_params
- session_set_save_handler
- session_start
- session_status
- session_unset
- session_write_close
Streams
- stream_bucket_append
- stream_bucket_make_writeable
- stream_bucket_new
- stream_bucket_prepend
- stream_context_create
- stream_context_get_default
- stream_context_get_options
- stream_context_get_params
- stream_context_set_default
- stream_context_set_option
- stream_context_set_params
- stream_copy_to_stream
- stream_encoding
- stream_filter_append
- stream_filter_prepend
- stream_filter_register
- stream_filter_remove
- stream_get_contents
- stream_get_filters
- stream_get_line
- stream_get_meta_data
- stream_get_transports
- stream_get_wrappers
- stream_is_local
- stream_notification_callback
- stream_resolve_include_path
- stream_select
- stream_set_blocking
- stream_set_chunk_size
- stream_set_read_buffer
- stream_set_timeout
- stream_set_write_buffer
- stream_socket_accept
- stream_socket_client
- stream_socket_enable_crypto
- stream_socket_get_name
- stream_socket_pair
- stream_socket_recvfrom
- stream_socket_sendto
- stream_socket_server
- stream_socket_shutdown
- stream_supports_lock
- stream_wrapper_register
- stream_wrapper_restore
- stream_wrapper_unregister
Strings
- addcslashes
- addslashes
- bin2hex
- chr
- chunk_split
- convert_cyr_string
- convert_uudecode
- convert_uuencode
- count_chars
- crc32
- crypt
- echo
- explode
- fprintf
- get_html_translation_table
- hebrev
- hex2bin
- html_entity_decode
- htmlentities
- htmlspecialchars
- htmlspecialchars_decode
- implode
- lcfirst
- levenshtein
- localeconv
- ltrim
- md5
- md5_file
- metaphone
- nl_langinfo
- nl2br
- number_format
- ord
- parse_str
- printf
- quoted_printable_decode
- quoted_printable_encode
- quotemeta
- random_bytes
- rtrim
- setlocale
- sha1
- sha1_file
- similar_text
- soundex
- sprintf
- sscanf
- str_getcsv
- str_ireplace
- str_pad
- str_repeat
- str_replace
- str_rot13
- str_shuffle
- str_split
- str_word_count
- strcasecmp
- strcmp
- strcoll
- strcspn
- strip_tags
- stripcslashes
- stripos
- stripslashes
- stristr
- strlen
- strnatcasecmp
- strnatcmp
- strncasecmp
- strncmp
- strpbrk
- strpos
- strrchr
- strrev
- strripos
- strrpos
- strspn
- strstr
- strtok
- strtolower
- strtoupper
- strtr
- substr
- substr_compare
- substr_count
- substr_replace
- trim
- ucfirst
- ucwords
- vfprintf
- vprintf
- vsprintf
- wordwrap
URLs
- base64_decode
- base64_encode
- get_headers
- get_meta_tags
- http_build_query
- parse_url
- rawurldecode
- rawurlencode
- urldecode
- urlencode
Variables
- debug_zval_dump
- empty
- floatval
- get_defined_vars
- get_resource_type
- gettype
- intval
- is_array
- is_bool
- is_callable
- is_float
- is_int
- is_null
- is_numeric
- is_object
- is_resource
- is_scalar
- is_string
- isset
- print_r
- serialize
- settype
- strval
- unserialize
- unset
- var_dump
- var_export
Zlib
- deflate_add
- deflate_init
- inflate_add
- inflate_init