这里显示系统所支持的所有函数,和自定义函数
Array
(
    [internal] => Array
        (
            [0] => zend_version
            [1] => func_num_args
            [2] => func_get_arg
            [3] => func_get_args
            [4] => strlen
            [5] => strcmp
            [6] => strncmp
            [7] => strcasecmp
            [8] => strncasecmp
            [9] => error_reporting
            [10] => define
            [11] => defined
            [12] => get_class
            [13] => get_called_class
            [14] => get_parent_class
            [15] => is_subclass_of
            [16] => is_a
            [17] => get_class_vars
            [18] => get_object_vars
            [19] => get_mangled_object_vars
            [20] => get_class_methods
            [21] => method_exists
            [22] => property_exists
            [23] => class_exists
            [24] => interface_exists
            [25] => trait_exists
            [26] => enum_exists
            [27] => function_exists
            [28] => class_alias
            [29] => get_included_files
            [30] => get_required_files
            [31] => trigger_error
            [32] => user_error
            [33] => set_error_handler
            [34] => restore_error_handler
            [35] => set_exception_handler
            [36] => restore_exception_handler
            [37] => get_declared_classes
            [38] => get_declared_traits
            [39] => get_declared_interfaces
            [40] => get_defined_functions
            [41] => get_defined_vars
            [42] => get_resource_type
            [43] => get_resource_id
            [44] => get_resources
            [45] => get_loaded_extensions
            [46] => get_defined_constants
            [47] => debug_backtrace
            [48] => debug_print_backtrace
            [49] => extension_loaded
            [50] => get_extension_funcs
            [51] => gc_mem_caches
            [52] => gc_collect_cycles
            [53] => gc_enabled
            [54] => gc_enable
            [55] => gc_disable
            [56] => gc_status
            [57] => strtotime
            [58] => date
            [59] => idate
            [60] => gmdate
            [61] => mktime
            [62] => gmmktime
            [63] => checkdate
            [64] => strftime
            [65] => gmstrftime
            [66] => time
            [67] => localtime
            [68] => getdate
            [69] => date_create
            [70] => date_create_immutable
            [71] => date_create_from_format
            [72] => date_create_immutable_from_format
            [73] => date_parse
            [74] => date_parse_from_format
            [75] => date_get_last_errors
            [76] => date_format
            [77] => date_modify
            [78] => date_add
            [79] => date_sub
            [80] => date_timezone_get
            [81] => date_timezone_set
            [82] => date_offset_get
            [83] => date_diff
            [84] => date_time_set
            [85] => date_date_set
            [86] => date_isodate_set
            [87] => date_timestamp_set
            [88] => date_timestamp_get
            [89] => timezone_open
            [90] => timezone_name_get
            [91] => timezone_name_from_abbr
            [92] => timezone_offset_get
            [93] => timezone_transitions_get
            [94] => timezone_location_get
            [95] => timezone_identifiers_list
            [96] => timezone_abbreviations_list
            [97] => timezone_version_get
            [98] => date_interval_create_from_date_string
            [99] => date_interval_format
            [100] => date_default_timezone_set
            [101] => date_default_timezone_get
            [102] => date_sunrise
            [103] => date_sunset
            [104] => date_sun_info
            [105] => libxml_set_streams_context
            [106] => libxml_use_internal_errors
            [107] => libxml_get_last_error
            [108] => libxml_get_errors
            [109] => libxml_clear_errors
            [110] => libxml_disable_entity_loader
            [111] => libxml_set_external_entity_loader
            [112] => preg_match
            [113] => preg_match_all
            [114] => preg_replace
            [115] => preg_filter
            [116] => preg_replace_callback
            [117] => preg_replace_callback_array
            [118] => preg_split
            [119] => preg_quote
            [120] => preg_grep
            [121] => preg_last_error
            [122] => preg_last_error_msg
            [123] => filter_has_var
            [124] => filter_input
            [125] => filter_var
            [126] => filter_input_array
            [127] => filter_var_array
            [128] => filter_list
            [129] => filter_id
            [130] => hash
            [131] => hash_file
            [132] => hash_hmac
            [133] => hash_hmac_file
            [134] => hash_init
            [135] => hash_update
            [136] => hash_update_stream
            [137] => hash_update_file
            [138] => hash_final
            [139] => hash_copy
            [140] => hash_algos
            [141] => hash_hmac_algos
            [142] => hash_pbkdf2
            [143] => hash_equals
            [144] => hash_hkdf
            [145] => mhash_get_block_size
            [146] => mhash_get_hash_name
            [147] => mhash_keygen_s2k
            [148] => mhash_count
            [149] => mhash
            [150] => json_encode
            [151] => json_decode
            [152] => json_last_error
            [153] => json_last_error_msg
            [154] => readline
            [155] => readline_info
            [156] => readline_add_history
            [157] => readline_clear_history
            [158] => readline_list_history
            [159] => readline_read_history
            [160] => readline_write_history
            [161] => readline_completion_function
            [162] => readline_callback_handler_install
            [163] => readline_callback_read_char
            [164] => readline_callback_handler_remove
            [165] => readline_redisplay
            [166] => readline_on_new_line
            [167] => session_name
            [168] => session_module_name
            [169] => session_save_path
            [170] => session_id
            [171] => session_create_id
            [172] => session_regenerate_id
            [173] => session_decode
            [174] => session_encode
            [175] => session_destroy
            [176] => session_unset
            [177] => session_gc
            [178] => session_get_cookie_params
            [179] => session_write_close
            [180] => session_abort
            [181] => session_reset
            [182] => session_status
            [183] => session_register_shutdown
            [184] => session_commit
            [185] => session_set_save_handler
            [186] => session_cache_limiter
            [187] => session_cache_expire
            [188] => session_set_cookie_params
            [189] => session_start
            [190] => shmop_open
            [191] => shmop_read
            [192] => shmop_close
            [193] => shmop_size
            [194] => shmop_write
            [195] => shmop_delete
            [196] => class_implements
            [197] => class_parents
            [198] => class_uses
            [199] => spl_autoload
            [200] => spl_autoload_call
            [201] => spl_autoload_extensions
            [202] => spl_autoload_functions
            [203] => spl_autoload_register
            [204] => spl_autoload_unregister
            [205] => spl_classes
            [206] => spl_object_hash
            [207] => spl_object_id
            [208] => iterator_apply
            [209] => iterator_count
            [210] => iterator_to_array
            [211] => set_time_limit
            [212] => header_register_callback
            [213] => ob_start
            [214] => ob_flush
            [215] => ob_clean
            [216] => ob_end_flush
            [217] => ob_end_clean
            [218] => ob_get_flush
            [219] => ob_get_clean
            [220] => ob_get_contents
            [221] => ob_get_level
            [222] => ob_get_length
            [223] => ob_list_handlers
            [224] => ob_get_status
            [225] => ob_implicit_flush
            [226] => output_reset_rewrite_vars
            [227] => output_add_rewrite_var
            [228] => stream_wrapper_register
            [229] => stream_register_wrapper
            [230] => stream_wrapper_unregister
            [231] => stream_wrapper_restore
            [232] => array_push
            [233] => krsort
            [234] => ksort
            [235] => count
            [236] => sizeof
            [237] => natsort
            [238] => natcasesort
            [239] => asort
            [240] => arsort
            [241] => sort
            [242] => rsort
            [243] => usort
            [244] => uasort
            [245] => uksort
            [246] => end
            [247] => prev
            [248] => next
            [249] => reset
            [250] => current
            [251] => pos
            [252] => key
            [253] => min
            [254] => max
            [255] => array_walk
            [256] => array_walk_recursive
            [257] => in_array
            [258] => array_search
            [259] => extract
            [260] => compact
            [261] => array_fill
            [262] => array_fill_keys
            [263] => range
            [264] => shuffle
            [265] => array_pop
            [266] => array_shift
            [267] => array_unshift
            [268] => array_splice
            [269] => array_slice
            [270] => array_merge
            [271] => array_merge_recursive
            [272] => array_replace
            [273] => array_replace_recursive
            [274] => array_keys
            [275] => array_key_first
            [276] => array_key_last
            [277] => array_values
            [278] => array_count_values
            [279] => array_column
            [280] => array_reverse
            [281] => array_pad
            [282] => array_flip
            [283] => array_change_key_case
            [284] => array_unique
            [285] => array_intersect_key
            [286] => array_intersect_ukey
            [287] => array_intersect
            [288] => array_uintersect
            [289] => array_intersect_assoc
            [290] => array_uintersect_assoc
            [291] => array_intersect_uassoc
            [292] => array_uintersect_uassoc
            [293] => array_diff_key
            [294] => array_diff_ukey
            [295] => array_diff
            [296] => array_udiff
            [297] => array_diff_assoc
            [298] => array_diff_uassoc
            [299] => array_udiff_assoc
            [300] => array_udiff_uassoc
            [301] => array_multisort
            [302] => array_rand
            [303] => array_sum
            [304] => array_product
            [305] => array_reduce
            [306] => array_filter
            [307] => array_map
            [308] => array_key_exists
            [309] => key_exists
            [310] => array_chunk
            [311] => array_combine
            [312] => array_is_list
            [313] => base64_encode
            [314] => base64_decode
            [315] => constant
            [316] => ip2long
            [317] => long2ip
            [318] => getenv
            [319] => putenv
            [320] => getopt
            [321] => flush
            [322] => sleep
            [323] => usleep
            [324] => time_nanosleep
            [325] => time_sleep_until
            [326] => get_current_user
            [327] => get_cfg_var
            [328] => error_log
            [329] => error_get_last
            [330] => error_clear_last
            [331] => call_user_func
            [332] => call_user_func_array
            [333] => forward_static_call
            [334] => forward_static_call_array
            [335] => register_shutdown_function
            [336] => highlight_file
            [337] => show_source
            [338] => php_strip_whitespace
            [339] => highlight_string
            [340] => ini_get
            [341] => ini_get_all
            [342] => ini_set
            [343] => ini_alter
            [344] => ini_restore
            [345] => set_include_path
            [346] => get_include_path
            [347] => print_r
            [348] => connection_aborted
            [349] => connection_status
            [350] => ignore_user_abort
            [351] => getservbyname
            [352] => getservbyport
            [353] => getprotobyname
            [354] => getprotobynumber
            [355] => register_tick_function
            [356] => unregister_tick_function
            [357] => is_uploaded_file
            [358] => move_uploaded_file
            [359] => parse_ini_file
            [360] => parse_ini_string
            [361] => sys_getloadavg
            [362] => get_browser
            [363] => crc32
            [364] => crypt
            [365] => strptime
            [366] => gethostname
            [367] => gethostbyaddr
            [368] => gethostbyname
            [369] => gethostbynamel
            [370] => dns_check_record
            [371] => checkdnsrr
            [372] => dns_get_record
            [373] => dns_get_mx
            [374] => getmxrr
            [375] => net_get_interfaces
            [376] => ftok
            [377] => hrtime
            [378] => lcg_value
            [379] => md5
            [380] => md5_file
            [381] => getmyuid
            [382] => getmygid
            [383] => getmypid
            [384] => getmyinode
            [385] => getlastmod
            [386] => sha1
            [387] => sha1_file
            [388] => openlog
            [389] => closelog
            [390] => syslog
            [391] => inet_ntop
            [392] => inet_pton
            [393] => metaphone
            [394] => header
            [395] => header_remove
            [396] => setrawcookie
            [397] => setcookie
            [398] => http_response_code
            [399] => headers_sent
            [400] => headers_list
            [401] => htmlspecialchars
            [402] => htmlspecialchars_decode
            [403] => html_entity_decode
            [404] => htmlentities
            [405] => get_html_translation_table
            [406] => assert
            [407] => assert_options
            [408] => bin2hex
            [409] => hex2bin
            [410] => strspn
            [411] => strcspn
            [412] => nl_langinfo
            [413] => strcoll
            [414] => trim
            [415] => rtrim
            [416] => chop
            [417] => ltrim
            [418] => wordwrap
            [419] => explode
            [420] => implode
            [421] => join
            [422] => strtok
            [423] => strtoupper
            [424] => strtolower
            [425] => basename
            [426] => dirname
            [427] => pathinfo
            [428] => stristr
            [429] => strstr
            [430] => strchr
            [431] => strpos
            [432] => stripos
            [433] => strrpos
            [434] => strripos
            [435] => strrchr
            [436] => str_contains
            [437] => str_starts_with
            [438] => str_ends_with
            [439] => chunk_split
            [440] => substr
            [441] => substr_replace
            [442] => quotemeta
            [443] => ord
            [444] => chr
            [445] => ucfirst
            [446] => lcfirst
            [447] => ucwords
            [448] => strtr
            [449] => strrev
            [450] => similar_text
            [451] => addcslashes
            [452] => addslashes
            [453] => stripcslashes
            [454] => stripslashes
            [455] => str_replace
            [456] => str_ireplace
            [457] => hebrev
            [458] => nl2br
            [459] => strip_tags
            [460] => setlocale
            [461] => parse_str
            [462] => str_getcsv
            [463] => str_repeat
            [464] => count_chars
            [465] => strnatcmp
            [466] => localeconv
            [467] => strnatcasecmp
            [468] => substr_count
            [469] => str_pad
            [470] => sscanf
            [471] => str_rot13
            [472] => str_shuffle
            [473] => str_word_count
            [474] => str_split
            [475] => strpbrk
            [476] => substr_compare
            [477] => utf8_encode
            [478] => utf8_decode
            [479] => opendir
            [480] => dir
            [481] => closedir
            [482] => chdir
            [483] => chroot
            [484] => getcwd
            [485] => rewinddir
            [486] => readdir
            [487] => scandir
            [488] => glob
            [489] => exec
            [490] => system
            [491] => passthru
            [492] => escapeshellcmd
            [493] => escapeshellarg
            [494] => shell_exec
            [495] => proc_nice
            [496] => flock
            [497] => get_meta_tags
            [498] => pclose
            [499] => popen
            [500] => readfile
            [501] => rewind
            [502] => rmdir
            [503] => umask
            [504] => fclose
            [505] => feof
            [506] => fgetc
            [507] => fgets
            [508] => fread
            [509] => fopen
            [510] => fscanf
            [511] => fpassthru
            [512] => ftruncate
            [513] => fstat
            [514] => fseek
            [515] => ftell
            [516] => fflush
            [517] => fsync
            [518] => fdatasync
            [519] => fwrite
            [520] => fputs
            [521] => mkdir
            [522] => rename
            [523] => copy
            [524] => tempnam
            [525] => tmpfile
            [526] => file
            [527] => file_get_contents
            [528] => unlink
            [529] => file_put_contents
            [530] => fputcsv
            [531] => fgetcsv
            [532] => realpath
            [533] => fnmatch
            [534] => sys_get_temp_dir
            [535] => fileatime
            [536] => filectime
            [537] => filegroup
            [538] => fileinode
            [539] => filemtime
            [540] => fileowner
            [541] => fileperms
            [542] => filesize
            [543] => filetype
            [544] => file_exists
            [545] => is_writable
            [546] => is_writeable
            [547] => is_readable
            [548] => is_executable
            [549] => is_file
            [550] => is_dir
            [551] => is_link
            [552] => stat
            [553] => lstat
            [554] => chown
            [555] => chgrp
            [556] => lchown
            [557] => lchgrp
            [558] => chmod
            [559] => touch
            [560] => clearstatcache
            [561] => disk_total_space
            [562] => disk_free_space
            [563] => diskfreespace
            [564] => realpath_cache_get
            [565] => realpath_cache_size
            [566] => sprintf
            [567] => printf
            [568] => vprintf
            [569] => vsprintf
            [570] => fprintf
            [571] => vfprintf
            [572] => fsockopen
            [573] => pfsockopen
            [574] => http_build_query
            [575] => image_type_to_mime_type
            [576] => image_type_to_extension
            [577] => getimagesize
            [578] => getimagesizefromstring
            [579] => phpinfo
            [580] => phpversion
            [581] => phpcredits
            [582] => php_sapi_name
            [583] => php_uname
            [584] => php_ini_scanned_files
            [585] => php_ini_loaded_file
            [586] => iptcembed
            [587] => iptcparse
            [588] => levenshtein
            [589] => readlink
            [590] => linkinfo
            [591] => symlink
            [592] => link
            [593] => mail
            [594] => abs
            [595] => ceil
            [596] => floor
            [597] => round
            [598] => sin
            [599] => cos
            [600] => tan
            [601] => asin
            [602] => acos
            [603] => atan
            [604] => atanh
            [605] => atan2
            [606] => sinh
            [607] => cosh
            [608] => tanh
            [609] => asinh
            [610] => acosh
            [611] => expm1
            [612] => log1p
            [613] => pi
            [614] => is_finite
            [615] => is_nan
            [616] => intdiv
            [617] => is_infinite
            [618] => pow
            [619] => exp
            [620] => log
            [621] => log10
            [622] => sqrt
            [623] => hypot
            [624] => deg2rad
            [625] => rad2deg
            [626] => bindec
            [627] => hexdec
            [628] => octdec
            [629] => decbin
            [630] => decoct
            [631] => dechex
            [632] => base_convert
            [633] => number_format
            [634] => fmod
            [635] => fdiv
            [636] => microtime
            [637] => gettimeofday
            [638] => getrusage
            [639] => pack
            [640] => unpack
            [641] => password_get_info
            [642] => password_hash
            [643] => password_needs_rehash
            [644] => password_verify
            [645] => password_algos
            [646] => proc_open
            [647] => proc_close
            [648] => proc_terminate
            [649] => proc_get_status
            [650] => quoted_printable_decode
            [651] => quoted_printable_encode
            [652] => mt_srand
            [653] => srand
            [654] => rand
            [655] => mt_rand
            [656] => mt_getrandmax
            [657] => getrandmax
            [658] => random_bytes
            [659] => random_int
            [660] => soundex
            [661] => stream_select
            [662] => stream_context_create
            [663] => stream_context_set_params
            [664] => stream_context_get_params
            [665] => stream_context_set_option
            [666] => stream_context_get_options
            [667] => stream_context_get_default
            [668] => stream_context_set_default
            [669] => stream_filter_prepend
            [670] => stream_filter_append
            [671] => stream_filter_remove
            [672] => stream_socket_client
            [673] => stream_socket_server
            [674] => stream_socket_accept
            [675] => stream_socket_get_name
            [676] => stream_socket_recvfrom
            [677] => stream_socket_sendto
            [678] => stream_socket_enable_crypto
            [679] => stream_socket_shutdown
            [680] => stream_socket_pair
            [681] => stream_copy_to_stream
            [682] => stream_get_contents
            [683] => stream_supports_lock
            [684] => stream_set_write_buffer
            [685] => set_file_buffer
            [686] => stream_set_read_buffer
            [687] => stream_set_blocking
            [688] => socket_set_blocking
            [689] => stream_get_meta_data
            [690] => socket_get_status
            [691] => stream_get_line
            [692] => stream_resolve_include_path
            [693] => stream_get_wrappers
            [694] => stream_get_transports
            [695] => stream_is_local
            [696] => stream_isatty
            [697] => stream_set_chunk_size
            [698] => stream_set_timeout
            [699] => socket_set_timeout
            [700] => gettype
            [701] => get_debug_type
            [702] => settype
            [703] => intval
            [704] => floatval
            [705] => doubleval
            [706] => boolval
            [707] => strval
            [708] => is_null
            [709] => is_resource
            [710] => is_bool
            [711] => is_int
            [712] => is_integer
            [713] => is_long
            [714] => is_float
            [715] => is_double
            [716] => is_numeric
            [717] => is_string
            [718] => is_array
            [719] => is_object
            [720] => is_scalar
            [721] => is_callable
            [722] => is_iterable
            [723] => is_countable
            [724] => uniqid
            [725] => parse_url
            [726] => urlencode
            [727] => urldecode
            [728] => rawurlencode
            [729] => rawurldecode
            [730] => get_headers
            [731] => stream_bucket_make_writeable
            [732] => stream_bucket_prepend
            [733] => stream_bucket_append
            [734] => stream_bucket_new
            [735] => stream_get_filters
            [736] => stream_filter_register
            [737] => convert_uuencode
            [738] => convert_uudecode
            [739] => var_dump
            [740] => var_export
            [741] => debug_zval_dump
            [742] => serialize
            [743] => unserialize
            [744] => memory_get_usage
            [745] => memory_get_peak_usage
            [746] => version_compare
            [747] => msg_get_queue
            [748] => msg_send
            [749] => msg_receive
            [750] => msg_remove_queue
            [751] => msg_stat_queue
            [752] => msg_set_queue
            [753] => msg_queue_exists
            [754] => sem_get
            [755] => sem_acquire
            [756] => sem_release
            [757] => sem_remove
            [758] => shm_attach
            [759] => shm_detach
            [760] => shm_has_var
            [761] => shm_remove
            [762] => shm_put_var
            [763] => shm_get_var
            [764] => shm_remove_var
            [765] => apache_child_terminate
            [766] => apache_request_headers
            [767] => getallheaders
            [768] => apache_response_headers
            [769] => bcadd
            [770] => bcsub
            [771] => bcmul
            [772] => bcdiv
            [773] => bcmod
            [774] => bcpowmod
            [775] => bcpow
            [776] => bcsqrt
            [777] => bccomp
            [778] => bcscale
            [779] => cal_days_in_month
            [780] => cal_from_jd
            [781] => cal_info
            [782] => cal_to_jd
            [783] => easter_date
            [784] => easter_days
            [785] => frenchtojd
            [786] => gregoriantojd
            [787] => jddayofweek
            [788] => jdmonthname
            [789] => jdtofrench
            [790] => jdtogregorian
            [791] => jdtojewish
            [792] => jdtojulian
            [793] => jdtounix
            [794] => jewishtojd
            [795] => juliantojd
            [796] => unixtojd
            [797] => ctype_alnum
            [798] => ctype_alpha
            [799] => ctype_cntrl
            [800] => ctype_digit
            [801] => ctype_lower
            [802] => ctype_graph
            [803] => ctype_print
            [804] => ctype_punct
            [805] => ctype_space
            [806] => ctype_upper
            [807] => ctype_xdigit
            [808] => curl_close
            [809] => curl_copy_handle
            [810] => curl_errno
            [811] => curl_error
            [812] => curl_escape
            [813] => curl_unescape
            [814] => curl_multi_setopt
            [815] => curl_exec
            [816] => curl_file_create
            [817] => curl_getinfo
            [818] => curl_init
            [819] => curl_multi_add_handle
            [820] => curl_multi_close
            [821] => curl_multi_errno
            [822] => curl_multi_exec
            [823] => curl_multi_getcontent
            [824] => curl_multi_info_read
            [825] => curl_multi_init
            [826] => curl_multi_remove_handle
            [827] => curl_multi_select
            [828] => curl_multi_strerror
            [829] => curl_pause
            [830] => curl_reset
            [831] => curl_setopt_array
            [832] => curl_setopt
            [833] => curl_share_close
            [834] => curl_share_errno
            [835] => curl_share_init
            [836] => curl_share_setopt
            [837] => curl_share_strerror
            [838] => curl_strerror
            [839] => curl_version
            [840] => dom_import_simplexml
            [841] => exif_tagname
            [842] => exif_read_data
            [843] => exif_thumbnail
            [844] => exif_imagetype
            [845] => ftp_connect
            [846] => ftp_ssl_connect
            [847] => ftp_login
            [848] => ftp_pwd
            [849] => ftp_cdup
            [850] => ftp_chdir
            [851] => ftp_exec
            [852] => ftp_raw
            [853] => ftp_mkdir
            [854] => ftp_rmdir
            [855] => ftp_chmod
            [856] => ftp_alloc
            [857] => ftp_nlist
            [858] => ftp_rawlist
            [859] => ftp_mlsd
            [860] => ftp_systype
            [861] => ftp_fget
            [862] => ftp_nb_fget
            [863] => ftp_pasv
            [864] => ftp_get
            [865] => ftp_nb_get
            [866] => ftp_nb_continue
            [867] => ftp_fput
            [868] => ftp_nb_fput
            [869] => ftp_put
            [870] => ftp_append
            [871] => ftp_nb_put
            [872] => ftp_size
            [873] => ftp_mdtm
            [874] => ftp_rename
            [875] => ftp_delete
            [876] => ftp_site
            [877] => ftp_close
            [878] => ftp_quit
            [879] => ftp_set_option
            [880] => ftp_get_option
            [881] => gd_info
            [882] => imageloadfont
            [883] => imagesetstyle
            [884] => imagecreatetruecolor
            [885] => imageistruecolor
            [886] => imagetruecolortopalette
            [887] => imagepalettetotruecolor
            [888] => imagecolormatch
            [889] => imagesetthickness
            [890] => imagefilledellipse
            [891] => imagefilledarc
            [892] => imagealphablending
            [893] => imagesavealpha
            [894] => imagelayereffect
            [895] => imagecolorallocatealpha
            [896] => imagecolorresolvealpha
            [897] => imagecolorclosestalpha
            [898] => imagecolorexactalpha
            [899] => imagecopyresampled
            [900] => imagerotate
            [901] => imagesettile
            [902] => imagesetbrush
            [903] => imagecreate
            [904] => imagetypes
            [905] => imagecreatefromstring
            [906] => imagecreatefromgif
            [907] => imagecreatefromjpeg
            [908] => imagecreatefrompng
            [909] => imagecreatefromwebp
            [910] => imagecreatefromxbm
            [911] => imagecreatefromwbmp
            [912] => imagecreatefromgd
            [913] => imagecreatefromgd2
            [914] => imagecreatefromgd2part
            [915] => imagecreatefrombmp
            [916] => imagecreatefromtga
            [917] => imagexbm
            [918] => imagegif
            [919] => imagepng
            [920] => imagewebp
            [921] => imagejpeg
            [922] => imagewbmp
            [923] => imagegd
            [924] => imagegd2
            [925] => imagebmp
            [926] => imagedestroy
            [927] => imagecolorallocate
            [928] => imagepalettecopy
            [929] => imagecolorat
            [930] => imagecolorclosest
            [931] => imagecolorclosesthwb
            [932] => imagecolordeallocate
            [933] => imagecolorresolve
            [934] => imagecolorexact
            [935] => imagecolorset
            [936] => imagecolorsforindex
            [937] => imagegammacorrect
            [938] => imagesetpixel
            [939] => imageline
            [940] => imagedashedline
            [941] => imagerectangle
            [942] => imagefilledrectangle
            [943] => imagearc
            [944] => imageellipse
            [945] => imagefilltoborder
            [946] => imagefill
            [947] => imagecolorstotal
            [948] => imagecolortransparent
            [949] => imageinterlace
            [950] => imagepolygon
            [951] => imageopenpolygon
            [952] => imagefilledpolygon
            [953] => imagefontwidth
            [954] => imagefontheight
            [955] => imagechar
            [956] => imagecharup
            [957] => imagestring
            [958] => imagestringup
            [959] => imagecopy
            [960] => imagecopymerge
            [961] => imagecopymergegray
            [962] => imagecopyresized
            [963] => imagesx
            [964] => imagesy
            [965] => imagesetclip
            [966] => imagegetclip
            [967] => imageftbbox
            [968] => imagefttext
            [969] => imagettfbbox
            [970] => imagettftext
            [971] => imagefilter
            [972] => imageconvolution
            [973] => imageflip
            [974] => imageantialias
            [975] => imagecrop
            [976] => imagecropauto
            [977] => imagescale
            [978] => imageaffine
            [979] => imageaffinematrixget
            [980] => imageaffinematrixconcat
            [981] => imagegetinterpolation
            [982] => imagesetinterpolation
            [983] => imageresolution
            [984] => textdomain
            [985] => gettext
            [986] => _
            [987] => dgettext
            [988] => dcgettext
            [989] => bindtextdomain
            [990] => ngettext
            [991] => dngettext
            [992] => dcngettext
            [993] => bind_textdomain_codeset
            [994] => iconv_strlen
            [995] => iconv_substr
            [996] => iconv_strpos
            [997] => iconv_strrpos
            [998] => iconv_mime_encode
            [999] => iconv_mime_decode
            [1000] => iconv_mime_decode_headers
            [1001] => iconv
            [1002] => iconv_set_encoding
            [1003] => iconv_get_encoding
            [1004] => mb_language
            [1005] => mb_internal_encoding
            [1006] => mb_http_input
            [1007] => mb_http_output
            [1008] => mb_detect_order
            [1009] => mb_substitute_character
            [1010] => mb_preferred_mime_name
            [1011] => mb_parse_str
            [1012] => mb_output_handler
            [1013] => mb_str_split
            [1014] => mb_strlen
            [1015] => mb_strpos
            [1016] => mb_strrpos
            [1017] => mb_stripos
            [1018] => mb_strripos
            [1019] => mb_strstr
            [1020] => mb_strrchr
            [1021] => mb_stristr
            [1022] => mb_strrichr
            [1023] => mb_substr_count
            [1024] => mb_substr
            [1025] => mb_strcut
            [1026] => mb_strwidth
            [1027] => mb_strimwidth
            [1028] => mb_convert_encoding
            [1029] => mb_convert_case
            [1030] => mb_strtoupper
            [1031] => mb_strtolower
            [1032] => mb_detect_encoding
            [1033] => mb_list_encodings
            [1034] => mb_encoding_aliases
            [1035] => mb_encode_mimeheader
            [1036] => mb_decode_mimeheader
            [1037] => mb_convert_kana
            [1038] => mb_convert_variables
            [1039] => mb_encode_numericentity
            [1040] => mb_decode_numericentity
            [1041] => mb_send_mail
            [1042] => mb_get_info
            [1043] => mb_check_encoding
            [1044] => mb_scrub
            [1045] => mb_ord
            [1046] => mb_chr
            [1047] => mb_regex_encoding
            [1048] => mb_ereg
            [1049] => mb_eregi
            [1050] => mb_ereg_replace
            [1051] => mb_eregi_replace
            [1052] => mb_ereg_replace_callback
            [1053] => mb_split
            [1054] => mb_ereg_match
            [1055] => mb_ereg_search
            [1056] => mb_ereg_search_pos
            [1057] => mb_ereg_search_regs
            [1058] => mb_ereg_search_init
            [1059] => mb_ereg_search_getregs
            [1060] => mb_ereg_search_getpos
            [1061] => mb_ereg_search_setpos
            [1062] => mb_regex_set_options
            [1063] => openssl_x509_export_to_file
            [1064] => openssl_x509_export
            [1065] => openssl_x509_fingerprint
            [1066] => openssl_x509_check_private_key
            [1067] => openssl_x509_verify
            [1068] => openssl_x509_parse
            [1069] => openssl_x509_checkpurpose
            [1070] => openssl_x509_read
            [1071] => openssl_x509_free
            [1072] => openssl_pkcs12_export_to_file
            [1073] => openssl_pkcs12_export
            [1074] => openssl_pkcs12_read
            [1075] => openssl_csr_export_to_file
            [1076] => openssl_csr_export
            [1077] => openssl_csr_sign
            [1078] => openssl_csr_new
            [1079] => openssl_csr_get_subject
            [1080] => openssl_csr_get_public_key
            [1081] => openssl_pkey_new
            [1082] => openssl_pkey_export_to_file
            [1083] => openssl_pkey_export
            [1084] => openssl_pkey_get_public
            [1085] => openssl_get_publickey
            [1086] => openssl_pkey_free
            [1087] => openssl_free_key
            [1088] => openssl_pkey_get_private
            [1089] => openssl_get_privatekey
            [1090] => openssl_pkey_get_details
            [1091] => openssl_pbkdf2
            [1092] => openssl_pkcs7_verify
            [1093] => openssl_pkcs7_encrypt
            [1094] => openssl_pkcs7_sign
            [1095] => openssl_pkcs7_decrypt
            [1096] => openssl_pkcs7_read
            [1097] => openssl_cms_verify
            [1098] => openssl_cms_encrypt
            [1099] => openssl_cms_sign
            [1100] => openssl_cms_decrypt
            [1101] => openssl_cms_read
            [1102] => openssl_private_encrypt
            [1103] => openssl_private_decrypt
            [1104] => openssl_public_encrypt
            [1105] => openssl_public_decrypt
            [1106] => openssl_error_string
            [1107] => openssl_sign
            [1108] => openssl_verify
            [1109] => openssl_seal
            [1110] => openssl_open
            [1111] => openssl_get_md_methods
            [1112] => openssl_get_cipher_methods
            [1113] => openssl_get_curve_names
            [1114] => openssl_digest
            [1115] => openssl_encrypt
            [1116] => openssl_decrypt
            [1117] => openssl_cipher_iv_length
            [1118] => openssl_dh_compute_key
            [1119] => openssl_pkey_derive
            [1120] => openssl_random_pseudo_bytes
            [1121] => openssl_spki_new
            [1122] => openssl_spki_verify
            [1123] => openssl_spki_export
            [1124] => openssl_spki_export_challenge
            [1125] => openssl_get_cert_locations
            [1126] => posix_kill
            [1127] => posix_getpid
            [1128] => posix_getppid
            [1129] => posix_getuid
            [1130] => posix_setuid
            [1131] => posix_geteuid
            [1132] => posix_seteuid
            [1133] => posix_getgid
            [1134] => posix_setgid
            [1135] => posix_getegid
            [1136] => posix_setegid
            [1137] => posix_getgroups
            [1138] => posix_getlogin
            [1139] => posix_getpgrp
            [1140] => posix_setsid
            [1141] => posix_setpgid
            [1142] => posix_getpgid
            [1143] => posix_getsid
            [1144] => posix_uname
            [1145] => posix_times
            [1146] => posix_ctermid
            [1147] => posix_ttyname
            [1148] => posix_isatty
            [1149] => posix_getcwd
            [1150] => posix_mkfifo
            [1151] => posix_mknod
            [1152] => posix_access
            [1153] => posix_getgrnam
            [1154] => posix_getgrgid
            [1155] => posix_getpwnam
            [1156] => posix_getpwuid
            [1157] => posix_getrlimit
            [1158] => posix_setrlimit
            [1159] => posix_get_last_error
            [1160] => posix_errno
            [1161] => posix_strerror
            [1162] => posix_initgroups
            [1163] => simplexml_load_file
            [1164] => simplexml_load_string
            [1165] => simplexml_import_dom
            [1166] => use_soap_error_handler
            [1167] => is_soap_fault
            [1168] => token_get_all
            [1169] => token_name
            [1170] => xml_parser_create
            [1171] => xml_parser_create_ns
            [1172] => xml_set_object
            [1173] => xml_set_element_handler
            [1174] => xml_set_character_data_handler
            [1175] => xml_set_processing_instruction_handler
            [1176] => xml_set_default_handler
            [1177] => xml_set_unparsed_entity_decl_handler
            [1178] => xml_set_notation_decl_handler
            [1179] => xml_set_external_entity_ref_handler
            [1180] => xml_set_start_namespace_decl_handler
            [1181] => xml_set_end_namespace_decl_handler
            [1182] => xml_parse
            [1183] => xml_parse_into_struct
            [1184] => xml_get_error_code
            [1185] => xml_error_string
            [1186] => xml_get_current_line_number
            [1187] => xml_get_current_column_number
            [1188] => xml_get_current_byte_index
            [1189] => xml_parser_free
            [1190] => xml_parser_set_option
            [1191] => xml_parser_get_option
            [1192] => xmlwriter_open_uri
            [1193] => xmlwriter_open_memory
            [1194] => xmlwriter_set_indent
            [1195] => xmlwriter_set_indent_string
            [1196] => xmlwriter_start_comment
            [1197] => xmlwriter_end_comment
            [1198] => xmlwriter_start_attribute
            [1199] => xmlwriter_end_attribute
            [1200] => xmlwriter_write_attribute
            [1201] => xmlwriter_start_attribute_ns
            [1202] => xmlwriter_write_attribute_ns
            [1203] => xmlwriter_start_element
            [1204] => xmlwriter_end_element
            [1205] => xmlwriter_full_end_element
            [1206] => xmlwriter_start_element_ns
            [1207] => xmlwriter_write_element
            [1208] => xmlwriter_write_element_ns
            [1209] => xmlwriter_start_pi
            [1210] => xmlwriter_end_pi
            [1211] => xmlwriter_write_pi
            [1212] => xmlwriter_start_cdata
            [1213] => xmlwriter_end_cdata
            [1214] => xmlwriter_write_cdata
            [1215] => xmlwriter_text
            [1216] => xmlwriter_write_raw
            [1217] => xmlwriter_start_document
            [1218] => xmlwriter_end_document
            [1219] => xmlwriter_write_comment
            [1220] => xmlwriter_start_dtd
            [1221] => xmlwriter_end_dtd
            [1222] => xmlwriter_write_dtd
            [1223] => xmlwriter_start_dtd_element
            [1224] => xmlwriter_end_dtd_element
            [1225] => xmlwriter_write_dtd_element
            [1226] => xmlwriter_start_dtd_attlist
            [1227] => xmlwriter_end_dtd_attlist
            [1228] => xmlwriter_write_dtd_attlist
            [1229] => xmlwriter_start_dtd_entity
            [1230] => xmlwriter_end_dtd_entity
            [1231] => xmlwriter_write_dtd_entity
            [1232] => xmlwriter_output_memory
            [1233] => xmlwriter_flush
            [1234] => zip_open
            [1235] => zip_close
            [1236] => zip_read
            [1237] => zip_entry_open
            [1238] => zip_entry_close
            [1239] => zip_entry_read
            [1240] => zip_entry_name
            [1241] => zip_entry_compressedsize
            [1242] => zip_entry_filesize
            [1243] => zip_entry_compressionmethod
            [1244] => ob_gzhandler
            [1245] => zlib_get_coding_type
            [1246] => gzfile
            [1247] => gzopen
            [1248] => readgzfile
            [1249] => zlib_encode
            [1250] => zlib_decode
            [1251] => gzdeflate
            [1252] => gzencode
            [1253] => gzcompress
            [1254] => gzinflate
            [1255] => gzdecode
            [1256] => gzuncompress
            [1257] => gzwrite
            [1258] => gzputs
            [1259] => gzrewind
            [1260] => gzclose
            [1261] => gzeof
            [1262] => gzgetc
            [1263] => gzpassthru
            [1264] => gzseek
            [1265] => gztell
            [1266] => gzread
            [1267] => gzgets
            [1268] => deflate_init
            [1269] => deflate_add
            [1270] => inflate_init
            [1271] => inflate_add
            [1272] => inflate_get_status
            [1273] => inflate_get_read_len
            [1274] => mysqli_affected_rows
            [1275] => mysqli_autocommit
            [1276] => mysqli_begin_transaction
            [1277] => mysqli_change_user
            [1278] => mysqli_character_set_name
            [1279] => mysqli_close
            [1280] => mysqli_commit
            [1281] => mysqli_connect
            [1282] => mysqli_connect_errno
            [1283] => mysqli_connect_error
            [1284] => mysqli_data_seek
            [1285] => mysqli_dump_debug_info
            [1286] => mysqli_debug
            [1287] => mysqli_errno
            [1288] => mysqli_error
            [1289] => mysqli_error_list
            [1290] => mysqli_stmt_execute
            [1291] => mysqli_execute
            [1292] => mysqli_fetch_field
            [1293] => mysqli_fetch_fields
            [1294] => mysqli_fetch_field_direct
            [1295] => mysqli_fetch_lengths
            [1296] => mysqli_fetch_all
            [1297] => mysqli_fetch_array
            [1298] => mysqli_fetch_assoc
            [1299] => mysqli_fetch_object
            [1300] => mysqli_fetch_row
            [1301] => mysqli_fetch_column
            [1302] => mysqli_field_count
            [1303] => mysqli_field_seek
            [1304] => mysqli_field_tell
            [1305] => mysqli_free_result
            [1306] => mysqli_get_connection_stats
            [1307] => mysqli_get_client_stats
            [1308] => mysqli_get_charset
            [1309] => mysqli_get_client_info
            [1310] => mysqli_get_client_version
            [1311] => mysqli_get_links_stats
            [1312] => mysqli_get_host_info
            [1313] => mysqli_get_proto_info
            [1314] => mysqli_get_server_info
            [1315] => mysqli_get_server_version
            [1316] => mysqli_get_warnings
            [1317] => mysqli_init
            [1318] => mysqli_info
            [1319] => mysqli_insert_id
            [1320] => mysqli_kill
            [1321] => mysqli_more_results
            [1322] => mysqli_multi_query
            [1323] => mysqli_next_result
            [1324] => mysqli_num_fields
            [1325] => mysqli_num_rows
            [1326] => mysqli_options
            [1327] => mysqli_set_opt
            [1328] => mysqli_ping
            [1329] => mysqli_poll
            [1330] => mysqli_prepare
            [1331] => mysqli_report
            [1332] => mysqli_query
            [1333] => mysqli_real_connect
            [1334] => mysqli_real_escape_string
            [1335] => mysqli_escape_string
            [1336] => mysqli_real_query
            [1337] => mysqli_reap_async_query
            [1338] => mysqli_release_savepoint
            [1339] => mysqli_rollback
            [1340] => mysqli_savepoint
            [1341] => mysqli_select_db
            [1342] => mysqli_set_charset
            [1343] => mysqli_stmt_affected_rows
            [1344] => mysqli_stmt_attr_get
            [1345] => mysqli_stmt_attr_set
            [1346] => mysqli_stmt_bind_param
            [1347] => mysqli_stmt_bind_result
            [1348] => mysqli_stmt_close
            [1349] => mysqli_stmt_data_seek
            [1350] => mysqli_stmt_errno
            [1351] => mysqli_stmt_error
            [1352] => mysqli_stmt_error_list
            [1353] => mysqli_stmt_fetch
            [1354] => mysqli_stmt_field_count
            [1355] => mysqli_stmt_free_result
            [1356] => mysqli_stmt_get_result
            [1357] => mysqli_stmt_get_warnings
            [1358] => mysqli_stmt_init
            [1359] => mysqli_stmt_insert_id
            [1360] => mysqli_stmt_more_results
            [1361] => mysqli_stmt_next_result
            [1362] => mysqli_stmt_num_rows
            [1363] => mysqli_stmt_param_count
            [1364] => mysqli_stmt_prepare
            [1365] => mysqli_stmt_reset
            [1366] => mysqli_stmt_result_metadata
            [1367] => mysqli_stmt_send_long_data
            [1368] => mysqli_stmt_store_result
            [1369] => mysqli_stmt_sqlstate
            [1370] => mysqli_sqlstate
            [1371] => mysqli_ssl_set
            [1372] => mysqli_stat
            [1373] => mysqli_store_result
            [1374] => mysqli_thread_id
            [1375] => mysqli_thread_safe
            [1376] => mysqli_use_result
            [1377] => mysqli_warning_count
            [1378] => mysqli_refresh
            [1379] => pg_connect
            [1380] => pg_pconnect
            [1381] => pg_connect_poll
            [1382] => pg_close
            [1383] => pg_dbname
            [1384] => pg_last_error
            [1385] => pg_errormessage
            [1386] => pg_options
            [1387] => pg_port
            [1388] => pg_tty
            [1389] => pg_host
            [1390] => pg_version
            [1391] => pg_parameter_status
            [1392] => pg_ping
            [1393] => pg_query
            [1394] => pg_exec
            [1395] => pg_query_params
            [1396] => pg_prepare
            [1397] => pg_execute
            [1398] => pg_num_rows
            [1399] => pg_numrows
            [1400] => pg_num_fields
            [1401] => pg_numfields
            [1402] => pg_affected_rows
            [1403] => pg_cmdtuples
            [1404] => pg_last_notice
            [1405] => pg_field_table
            [1406] => pg_field_name
            [1407] => pg_fieldname
            [1408] => pg_field_size
            [1409] => pg_fieldsize
            [1410] => pg_field_type
            [1411] => pg_fieldtype
            [1412] => pg_field_type_oid
            [1413] => pg_field_num
            [1414] => pg_fieldnum
            [1415] => pg_fetch_result
            [1416] => pg_result
            [1417] => pg_fetch_row
            [1418] => pg_fetch_assoc
            [1419] => pg_fetch_array
            [1420] => pg_fetch_object
            [1421] => pg_fetch_all
            [1422] => pg_fetch_all_columns
            [1423] => pg_result_seek
            [1424] => pg_field_prtlen
            [1425] => pg_fieldprtlen
            [1426] => pg_field_is_null
            [1427] => pg_fieldisnull
            [1428] => pg_free_result
            [1429] => pg_freeresult
            [1430] => pg_last_oid
            [1431] => pg_getlastoid
            [1432] => pg_trace
            [1433] => pg_untrace
            [1434] => pg_lo_create
            [1435] => pg_locreate
            [1436] => pg_lo_unlink
            [1437] => pg_lounlink
            [1438] => pg_lo_open
            [1439] => pg_loopen
            [1440] => pg_lo_close
            [1441] => pg_loclose
            [1442] => pg_lo_read
            [1443] => pg_loread
            [1444] => pg_lo_write
            [1445] => pg_lowrite
            [1446] => pg_lo_read_all
            [1447] => pg_loreadall
            [1448] => pg_lo_import
            [1449] => pg_loimport
            [1450] => pg_lo_export
            [1451] => pg_loexport
            [1452] => pg_lo_seek
            [1453] => pg_lo_tell
            [1454] => pg_lo_truncate
            [1455] => pg_set_error_verbosity
            [1456] => pg_set_client_encoding
            [1457] => pg_setclientencoding
            [1458] => pg_client_encoding
            [1459] => pg_clientencoding
            [1460] => pg_end_copy
            [1461] => pg_put_line
            [1462] => pg_copy_to
            [1463] => pg_copy_from
            [1464] => pg_escape_string
            [1465] => pg_escape_bytea
            [1466] => pg_unescape_bytea
            [1467] => pg_escape_literal
            [1468] => pg_escape_identifier
            [1469] => pg_result_error
            [1470] => pg_result_error_field
            [1471] => pg_connection_status
            [1472] => pg_transaction_status
            [1473] => pg_connection_reset
            [1474] => pg_cancel_query
            [1475] => pg_connection_busy
            [1476] => pg_send_query
            [1477] => pg_send_query_params
            [1478] => pg_send_prepare
            [1479] => pg_send_execute
            [1480] => pg_get_result
            [1481] => pg_result_status
            [1482] => pg_get_notify
            [1483] => pg_get_pid
            [1484] => pg_socket
            [1485] => pg_consume_input
            [1486] => pg_flush
            [1487] => pg_meta_data
            [1488] => pg_convert
            [1489] => pg_insert
            [1490] => pg_update
            [1491] => pg_delete
            [1492] => pg_select
            [1493] => pdo_drivers
            [1494] => finfo_open
            [1495] => finfo_close
            [1496] => finfo_set_flags
            [1497] => finfo_file
            [1498] => finfo_buffer
            [1499] => mime_content_type
            [1500] => opcache_reset
            [1501] => opcache_get_status
            [1502] => opcache_compile_file
            [1503] => opcache_invalidate
            [1504] => opcache_get_configuration
            [1505] => opcache_is_script_cached
        )

    [user] => Array
        (
            [0] => memory_usage
            [1] => microtime_float
            [2] => formatsize
            [3] => valid_email
            [4] => show
            [5] => isfun
            [6] => isfun1
            [7] => test_int
            [8] => test_float
            [9] => test_io
            [10] => getcoreinformation
            [11] => getcpupercentages
            [12] => makeimageurl
            [13] => sys_linux
            [14] => sys_freebsd
            [15] => get_key
            [16] => find_command
            [17] => do_command
            [18] => sys_windows
            [19] => getwmi
            [20] => bar
        )

)