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] => libxml_get_external_entity_loader
            [113] => preg_match
            [114] => preg_match_all
            [115] => preg_replace
            [116] => preg_filter
            [117] => preg_replace_callback
            [118] => preg_replace_callback_array
            [119] => preg_split
            [120] => preg_quote
            [121] => preg_grep
            [122] => preg_last_error
            [123] => preg_last_error_msg
            [124] => ob_gzhandler
            [125] => zlib_get_coding_type
            [126] => gzfile
            [127] => gzopen
            [128] => readgzfile
            [129] => zlib_encode
            [130] => zlib_decode
            [131] => gzdeflate
            [132] => gzencode
            [133] => gzcompress
            [134] => gzinflate
            [135] => gzdecode
            [136] => gzuncompress
            [137] => gzwrite
            [138] => gzputs
            [139] => gzrewind
            [140] => gzclose
            [141] => gzeof
            [142] => gzgetc
            [143] => gzpassthru
            [144] => gzseek
            [145] => gztell
            [146] => gzread
            [147] => gzgets
            [148] => deflate_init
            [149] => deflate_add
            [150] => inflate_init
            [151] => inflate_add
            [152] => inflate_get_status
            [153] => inflate_get_read_len
            [154] => filter_has_var
            [155] => filter_input
            [156] => filter_var
            [157] => filter_input_array
            [158] => filter_var_array
            [159] => filter_list
            [160] => filter_id
            [161] => hash
            [162] => hash_file
            [163] => hash_hmac
            [164] => hash_hmac_file
            [165] => hash_init
            [166] => hash_update
            [167] => hash_update_stream
            [168] => hash_update_file
            [169] => hash_final
            [170] => hash_copy
            [171] => hash_algos
            [172] => hash_hmac_algos
            [173] => hash_pbkdf2
            [174] => hash_equals
            [175] => hash_hkdf
            [176] => json_encode
            [177] => json_decode
            [178] => json_validate
            [179] => json_last_error
            [180] => json_last_error_msg
            [181] => lcg_value
            [182] => mt_srand
            [183] => srand
            [184] => rand
            [185] => mt_rand
            [186] => mt_getrandmax
            [187] => getrandmax
            [188] => random_bytes
            [189] => random_int
            [190] => readline
            [191] => readline_info
            [192] => readline_add_history
            [193] => readline_clear_history
            [194] => readline_list_history
            [195] => readline_read_history
            [196] => readline_write_history
            [197] => readline_completion_function
            [198] => readline_callback_handler_install
            [199] => readline_callback_read_char
            [200] => readline_callback_handler_remove
            [201] => readline_redisplay
            [202] => readline_on_new_line
            [203] => set_time_limit
            [204] => header_register_callback
            [205] => ob_start
            [206] => ob_flush
            [207] => ob_clean
            [208] => ob_end_flush
            [209] => ob_end_clean
            [210] => ob_get_flush
            [211] => ob_get_clean
            [212] => ob_get_contents
            [213] => ob_get_level
            [214] => ob_get_length
            [215] => ob_list_handlers
            [216] => ob_get_status
            [217] => ob_implicit_flush
            [218] => output_reset_rewrite_vars
            [219] => output_add_rewrite_var
            [220] => stream_wrapper_register
            [221] => stream_register_wrapper
            [222] => stream_wrapper_unregister
            [223] => stream_wrapper_restore
            [224] => array_push
            [225] => krsort
            [226] => ksort
            [227] => count
            [228] => sizeof
            [229] => natsort
            [230] => natcasesort
            [231] => asort
            [232] => arsort
            [233] => sort
            [234] => rsort
            [235] => usort
            [236] => uasort
            [237] => uksort
            [238] => end
            [239] => prev
            [240] => next
            [241] => reset
            [242] => current
            [243] => pos
            [244] => key
            [245] => min
            [246] => max
            [247] => array_walk
            [248] => array_walk_recursive
            [249] => in_array
            [250] => array_search
            [251] => extract
            [252] => compact
            [253] => array_fill
            [254] => array_fill_keys
            [255] => range
            [256] => shuffle
            [257] => array_pop
            [258] => array_shift
            [259] => array_unshift
            [260] => array_splice
            [261] => array_slice
            [262] => array_merge
            [263] => array_merge_recursive
            [264] => array_replace
            [265] => array_replace_recursive
            [266] => array_keys
            [267] => array_key_first
            [268] => array_key_last
            [269] => array_values
            [270] => array_count_values
            [271] => array_column
            [272] => array_reverse
            [273] => array_pad
            [274] => array_flip
            [275] => array_change_key_case
            [276] => array_unique
            [277] => array_intersect_key
            [278] => array_intersect_ukey
            [279] => array_intersect
            [280] => array_uintersect
            [281] => array_intersect_assoc
            [282] => array_uintersect_assoc
            [283] => array_intersect_uassoc
            [284] => array_uintersect_uassoc
            [285] => array_diff_key
            [286] => array_diff_ukey
            [287] => array_diff
            [288] => array_udiff
            [289] => array_diff_assoc
            [290] => array_diff_uassoc
            [291] => array_udiff_assoc
            [292] => array_udiff_uassoc
            [293] => array_multisort
            [294] => array_rand
            [295] => array_sum
            [296] => array_product
            [297] => array_reduce
            [298] => array_filter
            [299] => array_map
            [300] => array_key_exists
            [301] => key_exists
            [302] => array_chunk
            [303] => array_combine
            [304] => array_is_list
            [305] => base64_encode
            [306] => base64_decode
            [307] => constant
            [308] => ip2long
            [309] => long2ip
            [310] => getenv
            [311] => putenv
            [312] => getopt
            [313] => flush
            [314] => sleep
            [315] => usleep
            [316] => time_nanosleep
            [317] => time_sleep_until
            [318] => get_current_user
            [319] => get_cfg_var
            [320] => error_log
            [321] => error_get_last
            [322] => error_clear_last
            [323] => call_user_func
            [324] => call_user_func_array
            [325] => forward_static_call
            [326] => forward_static_call_array
            [327] => register_shutdown_function
            [328] => highlight_file
            [329] => show_source
            [330] => php_strip_whitespace
            [331] => highlight_string
            [332] => ini_get
            [333] => ini_get_all
            [334] => ini_set
            [335] => ini_alter
            [336] => ini_restore
            [337] => ini_parse_quantity
            [338] => set_include_path
            [339] => get_include_path
            [340] => print_r
            [341] => connection_aborted
            [342] => connection_status
            [343] => ignore_user_abort
            [344] => getservbyname
            [345] => getservbyport
            [346] => getprotobyname
            [347] => getprotobynumber
            [348] => register_tick_function
            [349] => unregister_tick_function
            [350] => is_uploaded_file
            [351] => move_uploaded_file
            [352] => parse_ini_file
            [353] => parse_ini_string
            [354] => sys_getloadavg
            [355] => get_browser
            [356] => crc32
            [357] => crypt
            [358] => strptime
            [359] => gethostname
            [360] => gethostbyaddr
            [361] => gethostbyname
            [362] => gethostbynamel
            [363] => dns_check_record
            [364] => checkdnsrr
            [365] => dns_get_record
            [366] => dns_get_mx
            [367] => getmxrr
            [368] => net_get_interfaces
            [369] => ftok
            [370] => hrtime
            [371] => md5
            [372] => md5_file
            [373] => getmyuid
            [374] => getmygid
            [375] => getmypid
            [376] => getmyinode
            [377] => getlastmod
            [378] => sha1
            [379] => sha1_file
            [380] => openlog
            [381] => closelog
            [382] => syslog
            [383] => inet_ntop
            [384] => inet_pton
            [385] => metaphone
            [386] => header
            [387] => header_remove
            [388] => setrawcookie
            [389] => setcookie
            [390] => http_response_code
            [391] => headers_sent
            [392] => headers_list
            [393] => htmlspecialchars
            [394] => htmlspecialchars_decode
            [395] => html_entity_decode
            [396] => htmlentities
            [397] => get_html_translation_table
            [398] => assert
            [399] => assert_options
            [400] => bin2hex
            [401] => hex2bin
            [402] => strspn
            [403] => strcspn
            [404] => nl_langinfo
            [405] => strcoll
            [406] => trim
            [407] => rtrim
            [408] => chop
            [409] => ltrim
            [410] => wordwrap
            [411] => explode
            [412] => implode
            [413] => join
            [414] => strtok
            [415] => strtoupper
            [416] => strtolower
            [417] => str_increment
            [418] => str_decrement
            [419] => basename
            [420] => dirname
            [421] => pathinfo
            [422] => stristr
            [423] => strstr
            [424] => strchr
            [425] => strpos
            [426] => stripos
            [427] => strrpos
            [428] => strripos
            [429] => strrchr
            [430] => str_contains
            [431] => str_starts_with
            [432] => str_ends_with
            [433] => chunk_split
            [434] => substr
            [435] => substr_replace
            [436] => quotemeta
            [437] => ord
            [438] => chr
            [439] => ucfirst
            [440] => lcfirst
            [441] => ucwords
            [442] => strtr
            [443] => strrev
            [444] => similar_text
            [445] => addcslashes
            [446] => addslashes
            [447] => stripcslashes
            [448] => stripslashes
            [449] => str_replace
            [450] => str_ireplace
            [451] => hebrev
            [452] => nl2br
            [453] => strip_tags
            [454] => setlocale
            [455] => parse_str
            [456] => str_getcsv
            [457] => str_repeat
            [458] => count_chars
            [459] => strnatcmp
            [460] => localeconv
            [461] => strnatcasecmp
            [462] => substr_count
            [463] => str_pad
            [464] => sscanf
            [465] => str_rot13
            [466] => str_shuffle
            [467] => str_word_count
            [468] => str_split
            [469] => strpbrk
            [470] => substr_compare
            [471] => utf8_encode
            [472] => utf8_decode
            [473] => opendir
            [474] => dir
            [475] => closedir
            [476] => chdir
            [477] => chroot
            [478] => getcwd
            [479] => rewinddir
            [480] => readdir
            [481] => scandir
            [482] => glob
            [483] => exec
            [484] => system
            [485] => passthru
            [486] => escapeshellcmd
            [487] => escapeshellarg
            [488] => shell_exec
            [489] => proc_nice
            [490] => flock
            [491] => get_meta_tags
            [492] => pclose
            [493] => popen
            [494] => readfile
            [495] => rewind
            [496] => rmdir
            [497] => umask
            [498] => fclose
            [499] => feof
            [500] => fgetc
            [501] => fgets
            [502] => fread
            [503] => fopen
            [504] => fscanf
            [505] => fpassthru
            [506] => ftruncate
            [507] => fstat
            [508] => fseek
            [509] => ftell
            [510] => fflush
            [511] => fsync
            [512] => fdatasync
            [513] => fwrite
            [514] => fputs
            [515] => mkdir
            [516] => rename
            [517] => copy
            [518] => tempnam
            [519] => tmpfile
            [520] => file
            [521] => file_get_contents
            [522] => unlink
            [523] => file_put_contents
            [524] => fputcsv
            [525] => fgetcsv
            [526] => realpath
            [527] => fnmatch
            [528] => sys_get_temp_dir
            [529] => fileatime
            [530] => filectime
            [531] => filegroup
            [532] => fileinode
            [533] => filemtime
            [534] => fileowner
            [535] => fileperms
            [536] => filesize
            [537] => filetype
            [538] => file_exists
            [539] => is_writable
            [540] => is_writeable
            [541] => is_readable
            [542] => is_executable
            [543] => is_file
            [544] => is_dir
            [545] => is_link
            [546] => stat
            [547] => lstat
            [548] => chown
            [549] => chgrp
            [550] => lchown
            [551] => lchgrp
            [552] => chmod
            [553] => touch
            [554] => clearstatcache
            [555] => disk_total_space
            [556] => disk_free_space
            [557] => diskfreespace
            [558] => realpath_cache_get
            [559] => realpath_cache_size
            [560] => sprintf
            [561] => printf
            [562] => vprintf
            [563] => vsprintf
            [564] => fprintf
            [565] => vfprintf
            [566] => fsockopen
            [567] => pfsockopen
            [568] => http_build_query
            [569] => image_type_to_mime_type
            [570] => image_type_to_extension
            [571] => getimagesize
            [572] => getimagesizefromstring
            [573] => phpinfo
            [574] => phpversion
            [575] => phpcredits
            [576] => php_sapi_name
            [577] => php_uname
            [578] => php_ini_scanned_files
            [579] => php_ini_loaded_file
            [580] => iptcembed
            [581] => iptcparse
            [582] => levenshtein
            [583] => readlink
            [584] => linkinfo
            [585] => symlink
            [586] => link
            [587] => mail
            [588] => abs
            [589] => ceil
            [590] => floor
            [591] => round
            [592] => sin
            [593] => cos
            [594] => tan
            [595] => asin
            [596] => acos
            [597] => atan
            [598] => atanh
            [599] => atan2
            [600] => sinh
            [601] => cosh
            [602] => tanh
            [603] => asinh
            [604] => acosh
            [605] => expm1
            [606] => log1p
            [607] => pi
            [608] => is_finite
            [609] => is_nan
            [610] => intdiv
            [611] => is_infinite
            [612] => pow
            [613] => exp
            [614] => log
            [615] => log10
            [616] => sqrt
            [617] => hypot
            [618] => deg2rad
            [619] => rad2deg
            [620] => bindec
            [621] => hexdec
            [622] => octdec
            [623] => decbin
            [624] => decoct
            [625] => dechex
            [626] => base_convert
            [627] => number_format
            [628] => fmod
            [629] => fdiv
            [630] => microtime
            [631] => gettimeofday
            [632] => getrusage
            [633] => pack
            [634] => unpack
            [635] => password_get_info
            [636] => password_hash
            [637] => password_needs_rehash
            [638] => password_verify
            [639] => password_algos
            [640] => proc_open
            [641] => proc_close
            [642] => proc_terminate
            [643] => proc_get_status
            [644] => quoted_printable_decode
            [645] => quoted_printable_encode
            [646] => soundex
            [647] => stream_select
            [648] => stream_context_create
            [649] => stream_context_set_params
            [650] => stream_context_get_params
            [651] => stream_context_set_option
            [652] => stream_context_set_options
            [653] => stream_context_get_options
            [654] => stream_context_get_default
            [655] => stream_context_set_default
            [656] => stream_filter_prepend
            [657] => stream_filter_append
            [658] => stream_filter_remove
            [659] => stream_socket_client
            [660] => stream_socket_server
            [661] => stream_socket_accept
            [662] => stream_socket_get_name
            [663] => stream_socket_recvfrom
            [664] => stream_socket_sendto
            [665] => stream_socket_enable_crypto
            [666] => stream_socket_shutdown
            [667] => stream_socket_pair
            [668] => stream_copy_to_stream
            [669] => stream_get_contents
            [670] => stream_supports_lock
            [671] => stream_set_write_buffer
            [672] => set_file_buffer
            [673] => stream_set_read_buffer
            [674] => stream_set_blocking
            [675] => socket_set_blocking
            [676] => stream_get_meta_data
            [677] => socket_get_status
            [678] => stream_get_line
            [679] => stream_resolve_include_path
            [680] => stream_get_wrappers
            [681] => stream_get_transports
            [682] => stream_is_local
            [683] => stream_isatty
            [684] => stream_set_chunk_size
            [685] => stream_set_timeout
            [686] => socket_set_timeout
            [687] => gettype
            [688] => get_debug_type
            [689] => settype
            [690] => intval
            [691] => floatval
            [692] => doubleval
            [693] => boolval
            [694] => strval
            [695] => is_null
            [696] => is_resource
            [697] => is_bool
            [698] => is_int
            [699] => is_integer
            [700] => is_long
            [701] => is_float
            [702] => is_double
            [703] => is_numeric
            [704] => is_string
            [705] => is_array
            [706] => is_object
            [707] => is_scalar
            [708] => is_callable
            [709] => is_iterable
            [710] => is_countable
            [711] => uniqid
            [712] => parse_url
            [713] => urlencode
            [714] => urldecode
            [715] => rawurlencode
            [716] => rawurldecode
            [717] => get_headers
            [718] => stream_bucket_make_writeable
            [719] => stream_bucket_prepend
            [720] => stream_bucket_append
            [721] => stream_bucket_new
            [722] => stream_get_filters
            [723] => stream_filter_register
            [724] => convert_uuencode
            [725] => convert_uudecode
            [726] => var_dump
            [727] => var_export
            [728] => debug_zval_dump
            [729] => serialize
            [730] => unserialize
            [731] => memory_get_usage
            [732] => memory_get_peak_usage
            [733] => memory_reset_peak_usage
            [734] => version_compare
            [735] => class_implements
            [736] => class_parents
            [737] => class_uses
            [738] => spl_autoload
            [739] => spl_autoload_call
            [740] => spl_autoload_extensions
            [741] => spl_autoload_functions
            [742] => spl_autoload_register
            [743] => spl_autoload_unregister
            [744] => spl_classes
            [745] => spl_object_hash
            [746] => spl_object_id
            [747] => iterator_apply
            [748] => iterator_count
            [749] => iterator_to_array
            [750] => fastcgi_finish_request
            [751] => apache_request_headers
            [752] => getallheaders
            [753] => fpm_get_status
            [754] => bcadd
            [755] => bcsub
            [756] => bcmul
            [757] => bcdiv
            [758] => bcmod
            [759] => bcpowmod
            [760] => bcpow
            [761] => bcsqrt
            [762] => bccomp
            [763] => bcscale
            [764] => ctype_alnum
            [765] => ctype_alpha
            [766] => ctype_cntrl
            [767] => ctype_digit
            [768] => ctype_lower
            [769] => ctype_graph
            [770] => ctype_print
            [771] => ctype_punct
            [772] => ctype_space
            [773] => ctype_upper
            [774] => ctype_xdigit
            [775] => curl_close
            [776] => curl_copy_handle
            [777] => curl_errno
            [778] => curl_error
            [779] => curl_escape
            [780] => curl_unescape
            [781] => curl_multi_setopt
            [782] => curl_exec
            [783] => curl_file_create
            [784] => curl_getinfo
            [785] => curl_init
            [786] => curl_upkeep
            [787] => curl_multi_add_handle
            [788] => curl_multi_close
            [789] => curl_multi_errno
            [790] => curl_multi_exec
            [791] => curl_multi_getcontent
            [792] => curl_multi_info_read
            [793] => curl_multi_init
            [794] => curl_multi_remove_handle
            [795] => curl_multi_select
            [796] => curl_multi_strerror
            [797] => curl_pause
            [798] => curl_reset
            [799] => curl_setopt_array
            [800] => curl_setopt
            [801] => curl_share_close
            [802] => curl_share_errno
            [803] => curl_share_init
            [804] => curl_share_setopt
            [805] => curl_share_strerror
            [806] => curl_strerror
            [807] => curl_version
            [808] => dom_import_simplexml
            [809] => finfo_open
            [810] => finfo_close
            [811] => finfo_set_flags
            [812] => finfo_file
            [813] => finfo_buffer
            [814] => mime_content_type
            [815] => ftp_connect
            [816] => ftp_ssl_connect
            [817] => ftp_login
            [818] => ftp_pwd
            [819] => ftp_cdup
            [820] => ftp_chdir
            [821] => ftp_exec
            [822] => ftp_raw
            [823] => ftp_mkdir
            [824] => ftp_rmdir
            [825] => ftp_chmod
            [826] => ftp_alloc
            [827] => ftp_nlist
            [828] => ftp_rawlist
            [829] => ftp_mlsd
            [830] => ftp_systype
            [831] => ftp_fget
            [832] => ftp_nb_fget
            [833] => ftp_pasv
            [834] => ftp_get
            [835] => ftp_nb_get
            [836] => ftp_nb_continue
            [837] => ftp_fput
            [838] => ftp_nb_fput
            [839] => ftp_put
            [840] => ftp_append
            [841] => ftp_nb_put
            [842] => ftp_size
            [843] => ftp_mdtm
            [844] => ftp_rename
            [845] => ftp_delete
            [846] => ftp_site
            [847] => ftp_close
            [848] => ftp_quit
            [849] => ftp_set_option
            [850] => ftp_get_option
            [851] => gd_info
            [852] => imageloadfont
            [853] => imagesetstyle
            [854] => imagecreatetruecolor
            [855] => imageistruecolor
            [856] => imagetruecolortopalette
            [857] => imagepalettetotruecolor
            [858] => imagecolormatch
            [859] => imagesetthickness
            [860] => imagefilledellipse
            [861] => imagefilledarc
            [862] => imagealphablending
            [863] => imagesavealpha
            [864] => imagelayereffect
            [865] => imagecolorallocatealpha
            [866] => imagecolorresolvealpha
            [867] => imagecolorclosestalpha
            [868] => imagecolorexactalpha
            [869] => imagecopyresampled
            [870] => imagerotate
            [871] => imagesettile
            [872] => imagesetbrush
            [873] => imagecreate
            [874] => imagetypes
            [875] => imagecreatefromstring
            [876] => imagecreatefromavif
            [877] => imagecreatefromgif
            [878] => imagecreatefromjpeg
            [879] => imagecreatefrompng
            [880] => imagecreatefromwebp
            [881] => imagecreatefromxbm
            [882] => imagecreatefromxpm
            [883] => imagecreatefromwbmp
            [884] => imagecreatefromgd
            [885] => imagecreatefromgd2
            [886] => imagecreatefromgd2part
            [887] => imagecreatefrombmp
            [888] => imagecreatefromtga
            [889] => imagexbm
            [890] => imageavif
            [891] => imagegif
            [892] => imagepng
            [893] => imagewebp
            [894] => imagejpeg
            [895] => imagewbmp
            [896] => imagegd
            [897] => imagegd2
            [898] => imagebmp
            [899] => imagedestroy
            [900] => imagecolorallocate
            [901] => imagepalettecopy
            [902] => imagecolorat
            [903] => imagecolorclosest
            [904] => imagecolorclosesthwb
            [905] => imagecolordeallocate
            [906] => imagecolorresolve
            [907] => imagecolorexact
            [908] => imagecolorset
            [909] => imagecolorsforindex
            [910] => imagegammacorrect
            [911] => imagesetpixel
            [912] => imageline
            [913] => imagedashedline
            [914] => imagerectangle
            [915] => imagefilledrectangle
            [916] => imagearc
            [917] => imageellipse
            [918] => imagefilltoborder
            [919] => imagefill
            [920] => imagecolorstotal
            [921] => imagecolortransparent
            [922] => imageinterlace
            [923] => imagepolygon
            [924] => imageopenpolygon
            [925] => imagefilledpolygon
            [926] => imagefontwidth
            [927] => imagefontheight
            [928] => imagechar
            [929] => imagecharup
            [930] => imagestring
            [931] => imagestringup
            [932] => imagecopy
            [933] => imagecopymerge
            [934] => imagecopymergegray
            [935] => imagecopyresized
            [936] => imagesx
            [937] => imagesy
            [938] => imagesetclip
            [939] => imagegetclip
            [940] => imageftbbox
            [941] => imagefttext
            [942] => imagettfbbox
            [943] => imagettftext
            [944] => imagefilter
            [945] => imageconvolution
            [946] => imageflip
            [947] => imageantialias
            [948] => imagecrop
            [949] => imagecropauto
            [950] => imagescale
            [951] => imageaffine
            [952] => imageaffinematrixget
            [953] => imageaffinematrixconcat
            [954] => imagegetinterpolation
            [955] => imagesetinterpolation
            [956] => imageresolution
            [957] => iconv_strlen
            [958] => iconv_substr
            [959] => iconv_strpos
            [960] => iconv_strrpos
            [961] => iconv_mime_encode
            [962] => iconv_mime_decode
            [963] => iconv_mime_decode_headers
            [964] => iconv
            [965] => iconv_set_encoding
            [966] => iconv_get_encoding
            [967] => mb_language
            [968] => mb_internal_encoding
            [969] => mb_http_input
            [970] => mb_http_output
            [971] => mb_detect_order
            [972] => mb_substitute_character
            [973] => mb_preferred_mime_name
            [974] => mb_parse_str
            [975] => mb_output_handler
            [976] => mb_str_split
            [977] => mb_strlen
            [978] => mb_strpos
            [979] => mb_strrpos
            [980] => mb_stripos
            [981] => mb_strripos
            [982] => mb_strstr
            [983] => mb_strrchr
            [984] => mb_stristr
            [985] => mb_strrichr
            [986] => mb_substr_count
            [987] => mb_substr
            [988] => mb_strcut
            [989] => mb_strwidth
            [990] => mb_strimwidth
            [991] => mb_convert_encoding
            [992] => mb_convert_case
            [993] => mb_strtoupper
            [994] => mb_strtolower
            [995] => mb_detect_encoding
            [996] => mb_list_encodings
            [997] => mb_encoding_aliases
            [998] => mb_encode_mimeheader
            [999] => mb_decode_mimeheader
            [1000] => mb_convert_kana
            [1001] => mb_convert_variables
            [1002] => mb_encode_numericentity
            [1003] => mb_decode_numericentity
            [1004] => mb_send_mail
            [1005] => mb_get_info
            [1006] => mb_check_encoding
            [1007] => mb_scrub
            [1008] => mb_ord
            [1009] => mb_chr
            [1010] => mb_str_pad
            [1011] => mb_regex_encoding
            [1012] => mb_ereg
            [1013] => mb_eregi
            [1014] => mb_ereg_replace
            [1015] => mb_eregi_replace
            [1016] => mb_ereg_replace_callback
            [1017] => mb_split
            [1018] => mb_ereg_match
            [1019] => mb_ereg_search
            [1020] => mb_ereg_search_pos
            [1021] => mb_ereg_search_regs
            [1022] => mb_ereg_search_init
            [1023] => mb_ereg_search_getregs
            [1024] => mb_ereg_search_getpos
            [1025] => mb_ereg_search_setpos
            [1026] => mb_regex_set_options
            [1027] => openssl_x509_export_to_file
            [1028] => openssl_x509_export
            [1029] => openssl_x509_fingerprint
            [1030] => openssl_x509_check_private_key
            [1031] => openssl_x509_verify
            [1032] => openssl_x509_parse
            [1033] => openssl_x509_checkpurpose
            [1034] => openssl_x509_read
            [1035] => openssl_x509_free
            [1036] => openssl_pkcs12_export_to_file
            [1037] => openssl_pkcs12_export
            [1038] => openssl_pkcs12_read
            [1039] => openssl_csr_export_to_file
            [1040] => openssl_csr_export
            [1041] => openssl_csr_sign
            [1042] => openssl_csr_new
            [1043] => openssl_csr_get_subject
            [1044] => openssl_csr_get_public_key
            [1045] => openssl_pkey_new
            [1046] => openssl_pkey_export_to_file
            [1047] => openssl_pkey_export
            [1048] => openssl_pkey_get_public
            [1049] => openssl_get_publickey
            [1050] => openssl_pkey_free
            [1051] => openssl_free_key
            [1052] => openssl_pkey_get_private
            [1053] => openssl_get_privatekey
            [1054] => openssl_pkey_get_details
            [1055] => openssl_pbkdf2
            [1056] => openssl_pkcs7_verify
            [1057] => openssl_pkcs7_encrypt
            [1058] => openssl_pkcs7_sign
            [1059] => openssl_pkcs7_decrypt
            [1060] => openssl_pkcs7_read
            [1061] => openssl_cms_verify
            [1062] => openssl_cms_encrypt
            [1063] => openssl_cms_sign
            [1064] => openssl_cms_decrypt
            [1065] => openssl_cms_read
            [1066] => openssl_private_encrypt
            [1067] => openssl_private_decrypt
            [1068] => openssl_public_encrypt
            [1069] => openssl_public_decrypt
            [1070] => openssl_error_string
            [1071] => openssl_sign
            [1072] => openssl_verify
            [1073] => openssl_seal
            [1074] => openssl_open
            [1075] => openssl_get_md_methods
            [1076] => openssl_get_cipher_methods
            [1077] => openssl_get_curve_names
            [1078] => openssl_digest
            [1079] => openssl_encrypt
            [1080] => openssl_decrypt
            [1081] => openssl_cipher_iv_length
            [1082] => openssl_cipher_key_length
            [1083] => openssl_dh_compute_key
            [1084] => openssl_pkey_derive
            [1085] => openssl_random_pseudo_bytes
            [1086] => openssl_spki_new
            [1087] => openssl_spki_verify
            [1088] => openssl_spki_export
            [1089] => openssl_spki_export_challenge
            [1090] => openssl_get_cert_locations
            [1091] => pdo_drivers
            [1092] => posix_kill
            [1093] => posix_getpid
            [1094] => posix_getppid
            [1095] => posix_getuid
            [1096] => posix_setuid
            [1097] => posix_geteuid
            [1098] => posix_seteuid
            [1099] => posix_getgid
            [1100] => posix_setgid
            [1101] => posix_getegid
            [1102] => posix_setegid
            [1103] => posix_getgroups
            [1104] => posix_getlogin
            [1105] => posix_getpgrp
            [1106] => posix_setsid
            [1107] => posix_setpgid
            [1108] => posix_getpgid
            [1109] => posix_getsid
            [1110] => posix_uname
            [1111] => posix_times
            [1112] => posix_ctermid
            [1113] => posix_ttyname
            [1114] => posix_isatty
            [1115] => posix_getcwd
            [1116] => posix_mkfifo
            [1117] => posix_mknod
            [1118] => posix_access
            [1119] => posix_eaccess
            [1120] => posix_getgrnam
            [1121] => posix_getgrgid
            [1122] => posix_getpwnam
            [1123] => posix_getpwuid
            [1124] => posix_getrlimit
            [1125] => posix_setrlimit
            [1126] => posix_get_last_error
            [1127] => posix_errno
            [1128] => posix_strerror
            [1129] => posix_initgroups
            [1130] => posix_sysconf
            [1131] => session_name
            [1132] => session_module_name
            [1133] => session_save_path
            [1134] => session_id
            [1135] => session_create_id
            [1136] => session_regenerate_id
            [1137] => session_decode
            [1138] => session_encode
            [1139] => session_destroy
            [1140] => session_unset
            [1141] => session_gc
            [1142] => session_get_cookie_params
            [1143] => session_write_close
            [1144] => session_abort
            [1145] => session_reset
            [1146] => session_status
            [1147] => session_register_shutdown
            [1148] => session_commit
            [1149] => session_set_save_handler
            [1150] => session_cache_limiter
            [1151] => session_cache_expire
            [1152] => session_set_cookie_params
            [1153] => session_start
            [1154] => simplexml_load_file
            [1155] => simplexml_load_string
            [1156] => simplexml_import_dom
            [1157] => socket_select
            [1158] => socket_create_listen
            [1159] => socket_accept
            [1160] => socket_set_nonblock
            [1161] => socket_set_block
            [1162] => socket_listen
            [1163] => socket_close
            [1164] => socket_write
            [1165] => socket_read
            [1166] => socket_getsockname
            [1167] => socket_getpeername
            [1168] => socket_create
            [1169] => socket_connect
            [1170] => socket_strerror
            [1171] => socket_bind
            [1172] => socket_recv
            [1173] => socket_send
            [1174] => socket_recvfrom
            [1175] => socket_sendto
            [1176] => socket_get_option
            [1177] => socket_getopt
            [1178] => socket_set_option
            [1179] => socket_setopt
            [1180] => socket_create_pair
            [1181] => socket_shutdown
            [1182] => socket_atmark
            [1183] => socket_last_error
            [1184] => socket_clear_error
            [1185] => socket_import_stream
            [1186] => socket_export_stream
            [1187] => socket_sendmsg
            [1188] => socket_recvmsg
            [1189] => socket_cmsg_space
            [1190] => socket_addrinfo_lookup
            [1191] => socket_addrinfo_connect
            [1192] => socket_addrinfo_bind
            [1193] => socket_addrinfo_explain
            [1194] => token_get_all
            [1195] => token_name
            [1196] => xml_parser_create
            [1197] => xml_parser_create_ns
            [1198] => xml_set_object
            [1199] => xml_set_element_handler
            [1200] => xml_set_character_data_handler
            [1201] => xml_set_processing_instruction_handler
            [1202] => xml_set_default_handler
            [1203] => xml_set_unparsed_entity_decl_handler
            [1204] => xml_set_notation_decl_handler
            [1205] => xml_set_external_entity_ref_handler
            [1206] => xml_set_start_namespace_decl_handler
            [1207] => xml_set_end_namespace_decl_handler
            [1208] => xml_parse
            [1209] => xml_parse_into_struct
            [1210] => xml_get_error_code
            [1211] => xml_error_string
            [1212] => xml_get_current_line_number
            [1213] => xml_get_current_column_number
            [1214] => xml_get_current_byte_index
            [1215] => xml_parser_free
            [1216] => xml_parser_set_option
            [1217] => xml_parser_get_option
            [1218] => zip_open
            [1219] => zip_close
            [1220] => zip_read
            [1221] => zip_entry_open
            [1222] => zip_entry_close
            [1223] => zip_entry_read
            [1224] => zip_entry_name
            [1225] => zip_entry_compressedsize
            [1226] => zip_entry_filesize
            [1227] => zip_entry_compressionmethod
        )

    [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] => sys_linux
            [11] => sys_freebsd
            [12] => get_key
            [13] => find_command
            [14] => do_command
            [15] => sys_windows
            [16] => getwmi
            [17] => bar
        )

)