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] => openssl_x509_export_to_file
            [114] => openssl_x509_export
            [115] => openssl_x509_fingerprint
            [116] => openssl_x509_check_private_key
            [117] => openssl_x509_verify
            [118] => openssl_x509_parse
            [119] => openssl_x509_checkpurpose
            [120] => openssl_x509_read
            [121] => openssl_x509_free
            [122] => openssl_pkcs12_export_to_file
            [123] => openssl_pkcs12_export
            [124] => openssl_pkcs12_read
            [125] => openssl_csr_export_to_file
            [126] => openssl_csr_export
            [127] => openssl_csr_sign
            [128] => openssl_csr_new
            [129] => openssl_csr_get_subject
            [130] => openssl_csr_get_public_key
            [131] => openssl_pkey_new
            [132] => openssl_pkey_export_to_file
            [133] => openssl_pkey_export
            [134] => openssl_pkey_get_public
            [135] => openssl_get_publickey
            [136] => openssl_pkey_free
            [137] => openssl_free_key
            [138] => openssl_pkey_get_private
            [139] => openssl_get_privatekey
            [140] => openssl_pkey_get_details
            [141] => openssl_pbkdf2
            [142] => openssl_pkcs7_verify
            [143] => openssl_pkcs7_encrypt
            [144] => openssl_pkcs7_sign
            [145] => openssl_pkcs7_decrypt
            [146] => openssl_pkcs7_read
            [147] => openssl_cms_verify
            [148] => openssl_cms_encrypt
            [149] => openssl_cms_sign
            [150] => openssl_cms_decrypt
            [151] => openssl_cms_read
            [152] => openssl_private_encrypt
            [153] => openssl_private_decrypt
            [154] => openssl_public_encrypt
            [155] => openssl_public_decrypt
            [156] => openssl_error_string
            [157] => openssl_sign
            [158] => openssl_verify
            [159] => openssl_seal
            [160] => openssl_open
            [161] => openssl_get_md_methods
            [162] => openssl_get_cipher_methods
            [163] => openssl_get_curve_names
            [164] => openssl_digest
            [165] => openssl_encrypt
            [166] => openssl_decrypt
            [167] => openssl_cipher_iv_length
            [168] => openssl_cipher_key_length
            [169] => openssl_dh_compute_key
            [170] => openssl_pkey_derive
            [171] => openssl_random_pseudo_bytes
            [172] => openssl_spki_new
            [173] => openssl_spki_verify
            [174] => openssl_spki_export
            [175] => openssl_spki_export_challenge
            [176] => openssl_get_cert_locations
            [177] => preg_match
            [178] => preg_match_all
            [179] => preg_replace
            [180] => preg_filter
            [181] => preg_replace_callback
            [182] => preg_replace_callback_array
            [183] => preg_split
            [184] => preg_quote
            [185] => preg_grep
            [186] => preg_last_error
            [187] => preg_last_error_msg
            [188] => ob_gzhandler
            [189] => zlib_get_coding_type
            [190] => gzfile
            [191] => gzopen
            [192] => readgzfile
            [193] => zlib_encode
            [194] => zlib_decode
            [195] => gzdeflate
            [196] => gzencode
            [197] => gzcompress
            [198] => gzinflate
            [199] => gzdecode
            [200] => gzuncompress
            [201] => gzwrite
            [202] => gzputs
            [203] => gzrewind
            [204] => gzclose
            [205] => gzeof
            [206] => gzgetc
            [207] => gzpassthru
            [208] => gzseek
            [209] => gztell
            [210] => gzread
            [211] => gzgets
            [212] => deflate_init
            [213] => deflate_add
            [214] => inflate_init
            [215] => inflate_add
            [216] => inflate_get_status
            [217] => inflate_get_read_len
            [218] => filter_has_var
            [219] => filter_input
            [220] => filter_var
            [221] => filter_input_array
            [222] => filter_var_array
            [223] => filter_list
            [224] => filter_id
            [225] => hash
            [226] => hash_file
            [227] => hash_hmac
            [228] => hash_hmac_file
            [229] => hash_init
            [230] => hash_update
            [231] => hash_update_stream
            [232] => hash_update_file
            [233] => hash_final
            [234] => hash_copy
            [235] => hash_algos
            [236] => hash_hmac_algos
            [237] => hash_pbkdf2
            [238] => hash_equals
            [239] => hash_hkdf
            [240] => mhash_get_block_size
            [241] => mhash_get_hash_name
            [242] => mhash_keygen_s2k
            [243] => mhash_count
            [244] => mhash
            [245] => json_encode
            [246] => json_decode
            [247] => json_validate
            [248] => json_last_error
            [249] => json_last_error_msg
            [250] => pcntl_fork
            [251] => pcntl_waitpid
            [252] => pcntl_wait
            [253] => pcntl_signal
            [254] => pcntl_signal_get_handler
            [255] => pcntl_signal_dispatch
            [256] => pcntl_sigprocmask
            [257] => pcntl_sigwaitinfo
            [258] => pcntl_sigtimedwait
            [259] => pcntl_wifexited
            [260] => pcntl_wifstopped
            [261] => pcntl_wifcontinued
            [262] => pcntl_wifsignaled
            [263] => pcntl_wexitstatus
            [264] => pcntl_wtermsig
            [265] => pcntl_wstopsig
            [266] => pcntl_exec
            [267] => pcntl_alarm
            [268] => pcntl_get_last_error
            [269] => pcntl_errno
            [270] => pcntl_getpriority
            [271] => pcntl_setpriority
            [272] => pcntl_strerror
            [273] => pcntl_async_signals
            [274] => pcntl_unshare
            [275] => lcg_value
            [276] => mt_srand
            [277] => srand
            [278] => rand
            [279] => mt_rand
            [280] => mt_getrandmax
            [281] => getrandmax
            [282] => random_bytes
            [283] => random_int
            [284] => readline
            [285] => readline_info
            [286] => readline_add_history
            [287] => readline_clear_history
            [288] => readline_read_history
            [289] => readline_write_history
            [290] => readline_completion_function
            [291] => readline_callback_handler_install
            [292] => readline_callback_read_char
            [293] => readline_callback_handler_remove
            [294] => readline_redisplay
            [295] => readline_on_new_line
            [296] => set_time_limit
            [297] => header_register_callback
            [298] => ob_start
            [299] => ob_flush
            [300] => ob_clean
            [301] => ob_end_flush
            [302] => ob_end_clean
            [303] => ob_get_flush
            [304] => ob_get_clean
            [305] => ob_get_contents
            [306] => ob_get_level
            [307] => ob_get_length
            [308] => ob_list_handlers
            [309] => ob_get_status
            [310] => ob_implicit_flush
            [311] => output_reset_rewrite_vars
            [312] => output_add_rewrite_var
            [313] => stream_wrapper_register
            [314] => stream_register_wrapper
            [315] => stream_wrapper_unregister
            [316] => stream_wrapper_restore
            [317] => array_push
            [318] => krsort
            [319] => ksort
            [320] => count
            [321] => sizeof
            [322] => natsort
            [323] => natcasesort
            [324] => asort
            [325] => arsort
            [326] => sort
            [327] => rsort
            [328] => usort
            [329] => uasort
            [330] => uksort
            [331] => end
            [332] => prev
            [333] => next
            [334] => reset
            [335] => current
            [336] => pos
            [337] => key
            [338] => min
            [339] => max
            [340] => array_walk
            [341] => array_walk_recursive
            [342] => in_array
            [343] => array_search
            [344] => extract
            [345] => compact
            [346] => array_fill
            [347] => array_fill_keys
            [348] => range
            [349] => shuffle
            [350] => array_pop
            [351] => array_shift
            [352] => array_unshift
            [353] => array_splice
            [354] => array_slice
            [355] => array_merge
            [356] => array_merge_recursive
            [357] => array_replace
            [358] => array_replace_recursive
            [359] => array_keys
            [360] => array_key_first
            [361] => array_key_last
            [362] => array_values
            [363] => array_count_values
            [364] => array_column
            [365] => array_reverse
            [366] => array_pad
            [367] => array_flip
            [368] => array_change_key_case
            [369] => array_unique
            [370] => array_intersect_key
            [371] => array_intersect_ukey
            [372] => array_intersect
            [373] => array_uintersect
            [374] => array_intersect_assoc
            [375] => array_uintersect_assoc
            [376] => array_intersect_uassoc
            [377] => array_uintersect_uassoc
            [378] => array_diff_key
            [379] => array_diff_ukey
            [380] => array_diff
            [381] => array_udiff
            [382] => array_diff_assoc
            [383] => array_diff_uassoc
            [384] => array_udiff_assoc
            [385] => array_udiff_uassoc
            [386] => array_multisort
            [387] => array_rand
            [388] => array_sum
            [389] => array_product
            [390] => array_reduce
            [391] => array_filter
            [392] => array_map
            [393] => array_key_exists
            [394] => key_exists
            [395] => array_chunk
            [396] => array_combine
            [397] => array_is_list
            [398] => base64_encode
            [399] => base64_decode
            [400] => constant
            [401] => ip2long
            [402] => long2ip
            [403] => getenv
            [404] => putenv
            [405] => getopt
            [406] => flush
            [407] => sleep
            [408] => usleep
            [409] => time_nanosleep
            [410] => time_sleep_until
            [411] => get_current_user
            [412] => get_cfg_var
            [413] => error_log
            [414] => error_get_last
            [415] => error_clear_last
            [416] => call_user_func
            [417] => call_user_func_array
            [418] => forward_static_call
            [419] => forward_static_call_array
            [420] => register_shutdown_function
            [421] => highlight_file
            [422] => show_source
            [423] => php_strip_whitespace
            [424] => highlight_string
            [425] => ini_get
            [426] => ini_get_all
            [427] => ini_set
            [428] => ini_alter
            [429] => ini_restore
            [430] => ini_parse_quantity
            [431] => set_include_path
            [432] => get_include_path
            [433] => print_r
            [434] => connection_aborted
            [435] => connection_status
            [436] => ignore_user_abort
            [437] => getservbyname
            [438] => getservbyport
            [439] => getprotobyname
            [440] => getprotobynumber
            [441] => register_tick_function
            [442] => unregister_tick_function
            [443] => is_uploaded_file
            [444] => move_uploaded_file
            [445] => parse_ini_file
            [446] => parse_ini_string
            [447] => sys_getloadavg
            [448] => get_browser
            [449] => crc32
            [450] => crypt
            [451] => strptime
            [452] => gethostname
            [453] => gethostbyaddr
            [454] => gethostbyname
            [455] => gethostbynamel
            [456] => dns_check_record
            [457] => checkdnsrr
            [458] => dns_get_record
            [459] => dns_get_mx
            [460] => getmxrr
            [461] => net_get_interfaces
            [462] => ftok
            [463] => hrtime
            [464] => md5
            [465] => md5_file
            [466] => getmyuid
            [467] => getmygid
            [468] => getmypid
            [469] => getmyinode
            [470] => getlastmod
            [471] => sha1
            [472] => sha1_file
            [473] => openlog
            [474] => closelog
            [475] => syslog
            [476] => inet_ntop
            [477] => inet_pton
            [478] => metaphone
            [479] => header
            [480] => header_remove
            [481] => setrawcookie
            [482] => setcookie
            [483] => http_response_code
            [484] => headers_sent
            [485] => headers_list
            [486] => htmlspecialchars
            [487] => htmlspecialchars_decode
            [488] => html_entity_decode
            [489] => htmlentities
            [490] => get_html_translation_table
            [491] => assert
            [492] => assert_options
            [493] => bin2hex
            [494] => hex2bin
            [495] => strspn
            [496] => strcspn
            [497] => nl_langinfo
            [498] => strcoll
            [499] => trim
            [500] => rtrim
            [501] => chop
            [502] => ltrim
            [503] => wordwrap
            [504] => explode
            [505] => implode
            [506] => join
            [507] => strtok
            [508] => strtoupper
            [509] => strtolower
            [510] => str_increment
            [511] => str_decrement
            [512] => basename
            [513] => dirname
            [514] => pathinfo
            [515] => stristr
            [516] => strstr
            [517] => strchr
            [518] => strpos
            [519] => stripos
            [520] => strrpos
            [521] => strripos
            [522] => strrchr
            [523] => str_contains
            [524] => str_starts_with
            [525] => str_ends_with
            [526] => chunk_split
            [527] => substr
            [528] => substr_replace
            [529] => quotemeta
            [530] => ord
            [531] => chr
            [532] => ucfirst
            [533] => lcfirst
            [534] => ucwords
            [535] => strtr
            [536] => strrev
            [537] => similar_text
            [538] => addcslashes
            [539] => addslashes
            [540] => stripcslashes
            [541] => stripslashes
            [542] => str_replace
            [543] => str_ireplace
            [544] => hebrev
            [545] => nl2br
            [546] => strip_tags
            [547] => setlocale
            [548] => parse_str
            [549] => str_getcsv
            [550] => str_repeat
            [551] => count_chars
            [552] => strnatcmp
            [553] => localeconv
            [554] => strnatcasecmp
            [555] => substr_count
            [556] => str_pad
            [557] => sscanf
            [558] => str_rot13
            [559] => str_shuffle
            [560] => str_word_count
            [561] => str_split
            [562] => strpbrk
            [563] => substr_compare
            [564] => utf8_encode
            [565] => utf8_decode
            [566] => opendir
            [567] => dir
            [568] => closedir
            [569] => chdir
            [570] => getcwd
            [571] => rewinddir
            [572] => readdir
            [573] => scandir
            [574] => glob
            [575] => exec
            [576] => system
            [577] => passthru
            [578] => escapeshellcmd
            [579] => escapeshellarg
            [580] => shell_exec
            [581] => proc_nice
            [582] => flock
            [583] => get_meta_tags
            [584] => pclose
            [585] => popen
            [586] => readfile
            [587] => rewind
            [588] => rmdir
            [589] => umask
            [590] => fclose
            [591] => feof
            [592] => fgetc
            [593] => fgets
            [594] => fread
            [595] => fopen
            [596] => fscanf
            [597] => fpassthru
            [598] => ftruncate
            [599] => fstat
            [600] => fseek
            [601] => ftell
            [602] => fflush
            [603] => fsync
            [604] => fdatasync
            [605] => fwrite
            [606] => fputs
            [607] => mkdir
            [608] => rename
            [609] => copy
            [610] => tempnam
            [611] => tmpfile
            [612] => file
            [613] => file_get_contents
            [614] => unlink
            [615] => file_put_contents
            [616] => fputcsv
            [617] => fgetcsv
            [618] => realpath
            [619] => fnmatch
            [620] => sys_get_temp_dir
            [621] => fileatime
            [622] => filectime
            [623] => filegroup
            [624] => fileinode
            [625] => filemtime
            [626] => fileowner
            [627] => fileperms
            [628] => filesize
            [629] => filetype
            [630] => file_exists
            [631] => is_writable
            [632] => is_writeable
            [633] => is_readable
            [634] => is_executable
            [635] => is_file
            [636] => is_dir
            [637] => is_link
            [638] => stat
            [639] => lstat
            [640] => chown
            [641] => chgrp
            [642] => lchown
            [643] => lchgrp
            [644] => chmod
            [645] => touch
            [646] => clearstatcache
            [647] => disk_total_space
            [648] => disk_free_space
            [649] => diskfreespace
            [650] => realpath_cache_get
            [651] => realpath_cache_size
            [652] => sprintf
            [653] => printf
            [654] => vprintf
            [655] => vsprintf
            [656] => fprintf
            [657] => vfprintf
            [658] => fsockopen
            [659] => pfsockopen
            [660] => http_build_query
            [661] => image_type_to_mime_type
            [662] => image_type_to_extension
            [663] => getimagesize
            [664] => getimagesizefromstring
            [665] => phpinfo
            [666] => phpversion
            [667] => phpcredits
            [668] => php_sapi_name
            [669] => php_uname
            [670] => php_ini_scanned_files
            [671] => php_ini_loaded_file
            [672] => iptcembed
            [673] => iptcparse
            [674] => levenshtein
            [675] => readlink
            [676] => linkinfo
            [677] => symlink
            [678] => link
            [679] => mail
            [680] => abs
            [681] => ceil
            [682] => floor
            [683] => round
            [684] => sin
            [685] => cos
            [686] => tan
            [687] => asin
            [688] => acos
            [689] => atan
            [690] => atanh
            [691] => atan2
            [692] => sinh
            [693] => cosh
            [694] => tanh
            [695] => asinh
            [696] => acosh
            [697] => expm1
            [698] => log1p
            [699] => pi
            [700] => is_finite
            [701] => is_nan
            [702] => intdiv
            [703] => is_infinite
            [704] => pow
            [705] => exp
            [706] => log
            [707] => log10
            [708] => sqrt
            [709] => hypot
            [710] => deg2rad
            [711] => rad2deg
            [712] => bindec
            [713] => hexdec
            [714] => octdec
            [715] => decbin
            [716] => decoct
            [717] => dechex
            [718] => base_convert
            [719] => number_format
            [720] => fmod
            [721] => fdiv
            [722] => microtime
            [723] => gettimeofday
            [724] => getrusage
            [725] => pack
            [726] => unpack
            [727] => password_get_info
            [728] => password_hash
            [729] => password_needs_rehash
            [730] => password_verify
            [731] => password_algos
            [732] => proc_open
            [733] => proc_close
            [734] => proc_terminate
            [735] => proc_get_status
            [736] => quoted_printable_decode
            [737] => quoted_printable_encode
            [738] => soundex
            [739] => stream_select
            [740] => stream_context_create
            [741] => stream_context_set_params
            [742] => stream_context_get_params
            [743] => stream_context_set_option
            [744] => stream_context_set_options
            [745] => stream_context_get_options
            [746] => stream_context_get_default
            [747] => stream_context_set_default
            [748] => stream_filter_prepend
            [749] => stream_filter_append
            [750] => stream_filter_remove
            [751] => stream_socket_client
            [752] => stream_socket_server
            [753] => stream_socket_accept
            [754] => stream_socket_get_name
            [755] => stream_socket_recvfrom
            [756] => stream_socket_sendto
            [757] => stream_socket_enable_crypto
            [758] => stream_socket_shutdown
            [759] => stream_socket_pair
            [760] => stream_copy_to_stream
            [761] => stream_get_contents
            [762] => stream_supports_lock
            [763] => stream_set_write_buffer
            [764] => set_file_buffer
            [765] => stream_set_read_buffer
            [766] => stream_set_blocking
            [767] => socket_set_blocking
            [768] => stream_get_meta_data
            [769] => socket_get_status
            [770] => stream_get_line
            [771] => stream_resolve_include_path
            [772] => stream_get_wrappers
            [773] => stream_get_transports
            [774] => stream_is_local
            [775] => stream_isatty
            [776] => stream_set_chunk_size
            [777] => stream_set_timeout
            [778] => socket_set_timeout
            [779] => gettype
            [780] => get_debug_type
            [781] => settype
            [782] => intval
            [783] => floatval
            [784] => doubleval
            [785] => boolval
            [786] => strval
            [787] => is_null
            [788] => is_resource
            [789] => is_bool
            [790] => is_int
            [791] => is_integer
            [792] => is_long
            [793] => is_float
            [794] => is_double
            [795] => is_numeric
            [796] => is_string
            [797] => is_array
            [798] => is_object
            [799] => is_scalar
            [800] => is_callable
            [801] => is_iterable
            [802] => is_countable
            [803] => uniqid
            [804] => parse_url
            [805] => urlencode
            [806] => urldecode
            [807] => rawurlencode
            [808] => rawurldecode
            [809] => get_headers
            [810] => stream_bucket_make_writeable
            [811] => stream_bucket_prepend
            [812] => stream_bucket_append
            [813] => stream_bucket_new
            [814] => stream_get_filters
            [815] => stream_filter_register
            [816] => convert_uuencode
            [817] => convert_uudecode
            [818] => var_dump
            [819] => var_export
            [820] => debug_zval_dump
            [821] => serialize
            [822] => unserialize
            [823] => memory_get_usage
            [824] => memory_get_peak_usage
            [825] => memory_reset_peak_usage
            [826] => version_compare
            [827] => class_implements
            [828] => class_parents
            [829] => class_uses
            [830] => spl_autoload
            [831] => spl_autoload_call
            [832] => spl_autoload_extensions
            [833] => spl_autoload_functions
            [834] => spl_autoload_register
            [835] => spl_autoload_unregister
            [836] => spl_classes
            [837] => spl_object_hash
            [838] => spl_object_id
            [839] => iterator_apply
            [840] => iterator_count
            [841] => iterator_to_array
            [842] => session_name
            [843] => session_module_name
            [844] => session_save_path
            [845] => session_id
            [846] => session_create_id
            [847] => session_regenerate_id
            [848] => session_decode
            [849] => session_encode
            [850] => session_destroy
            [851] => session_unset
            [852] => session_gc
            [853] => session_get_cookie_params
            [854] => session_write_close
            [855] => session_abort
            [856] => session_reset
            [857] => session_status
            [858] => session_register_shutdown
            [859] => session_commit
            [860] => session_set_save_handler
            [861] => session_cache_limiter
            [862] => session_cache_expire
            [863] => session_set_cookie_params
            [864] => session_start
            [865] => socket_select
            [866] => socket_create_listen
            [867] => socket_accept
            [868] => socket_set_nonblock
            [869] => socket_set_block
            [870] => socket_listen
            [871] => socket_close
            [872] => socket_write
            [873] => socket_read
            [874] => socket_getsockname
            [875] => socket_getpeername
            [876] => socket_create
            [877] => socket_connect
            [878] => socket_strerror
            [879] => socket_bind
            [880] => socket_recv
            [881] => socket_send
            [882] => socket_recvfrom
            [883] => socket_sendto
            [884] => socket_get_option
            [885] => socket_getopt
            [886] => socket_set_option
            [887] => socket_setopt
            [888] => socket_create_pair
            [889] => socket_shutdown
            [890] => socket_atmark
            [891] => socket_last_error
            [892] => socket_clear_error
            [893] => socket_import_stream
            [894] => socket_export_stream
            [895] => socket_sendmsg
            [896] => socket_recvmsg
            [897] => socket_cmsg_space
            [898] => socket_addrinfo_lookup
            [899] => socket_addrinfo_connect
            [900] => socket_addrinfo_bind
            [901] => socket_addrinfo_explain
            [902] => fastcgi_finish_request
            [903] => apache_request_headers
            [904] => getallheaders
            [905] => fpm_get_status
            [906] => bzopen
            [907] => bzread
            [908] => bzwrite
            [909] => bzflush
            [910] => bzclose
            [911] => bzerrno
            [912] => bzerrstr
            [913] => bzerror
            [914] => bzcompress
            [915] => bzdecompress
            [916] => cal_days_in_month
            [917] => cal_from_jd
            [918] => cal_info
            [919] => cal_to_jd
            [920] => easter_date
            [921] => easter_days
            [922] => frenchtojd
            [923] => gregoriantojd
            [924] => jddayofweek
            [925] => jdmonthname
            [926] => jdtofrench
            [927] => jdtogregorian
            [928] => jdtojewish
            [929] => jdtojulian
            [930] => jdtounix
            [931] => jewishtojd
            [932] => juliantojd
            [933] => unixtojd
            [934] => ctype_alnum
            [935] => ctype_alpha
            [936] => ctype_cntrl
            [937] => ctype_digit
            [938] => ctype_lower
            [939] => ctype_graph
            [940] => ctype_print
            [941] => ctype_punct
            [942] => ctype_space
            [943] => ctype_upper
            [944] => ctype_xdigit
            [945] => curl_close
            [946] => curl_copy_handle
            [947] => curl_errno
            [948] => curl_error
            [949] => curl_escape
            [950] => curl_unescape
            [951] => curl_multi_setopt
            [952] => curl_exec
            [953] => curl_file_create
            [954] => curl_getinfo
            [955] => curl_init
            [956] => curl_multi_add_handle
            [957] => curl_multi_close
            [958] => curl_multi_errno
            [959] => curl_multi_exec
            [960] => curl_multi_getcontent
            [961] => curl_multi_info_read
            [962] => curl_multi_init
            [963] => curl_multi_remove_handle
            [964] => curl_multi_select
            [965] => curl_multi_strerror
            [966] => curl_pause
            [967] => curl_reset
            [968] => curl_setopt_array
            [969] => curl_setopt
            [970] => curl_share_close
            [971] => curl_share_errno
            [972] => curl_share_init
            [973] => curl_share_setopt
            [974] => curl_share_strerror
            [975] => curl_strerror
            [976] => curl_version
            [977] => dom_import_simplexml
            [978] => exif_tagname
            [979] => exif_read_data
            [980] => exif_thumbnail
            [981] => exif_imagetype
            [982] => finfo_open
            [983] => finfo_close
            [984] => finfo_set_flags
            [985] => finfo_file
            [986] => finfo_buffer
            [987] => mime_content_type
            [988] => ftp_connect
            [989] => ftp_ssl_connect
            [990] => ftp_login
            [991] => ftp_pwd
            [992] => ftp_cdup
            [993] => ftp_chdir
            [994] => ftp_exec
            [995] => ftp_raw
            [996] => ftp_mkdir
            [997] => ftp_rmdir
            [998] => ftp_chmod
            [999] => ftp_alloc
            [1000] => ftp_nlist
            [1001] => ftp_rawlist
            [1002] => ftp_mlsd
            [1003] => ftp_systype
            [1004] => ftp_fget
            [1005] => ftp_nb_fget
            [1006] => ftp_pasv
            [1007] => ftp_get
            [1008] => ftp_nb_get
            [1009] => ftp_nb_continue
            [1010] => ftp_fput
            [1011] => ftp_nb_fput
            [1012] => ftp_put
            [1013] => ftp_append
            [1014] => ftp_nb_put
            [1015] => ftp_size
            [1016] => ftp_mdtm
            [1017] => ftp_rename
            [1018] => ftp_delete
            [1019] => ftp_site
            [1020] => ftp_close
            [1021] => ftp_quit
            [1022] => ftp_set_option
            [1023] => ftp_get_option
            [1024] => gd_info
            [1025] => imageloadfont
            [1026] => imagesetstyle
            [1027] => imagecreatetruecolor
            [1028] => imageistruecolor
            [1029] => imagetruecolortopalette
            [1030] => imagepalettetotruecolor
            [1031] => imagecolormatch
            [1032] => imagesetthickness
            [1033] => imagefilledellipse
            [1034] => imagefilledarc
            [1035] => imagealphablending
            [1036] => imagesavealpha
            [1037] => imagelayereffect
            [1038] => imagecolorallocatealpha
            [1039] => imagecolorresolvealpha
            [1040] => imagecolorclosestalpha
            [1041] => imagecolorexactalpha
            [1042] => imagecopyresampled
            [1043] => imagerotate
            [1044] => imagesettile
            [1045] => imagesetbrush
            [1046] => imagecreate
            [1047] => imagetypes
            [1048] => imagecreatefromstring
            [1049] => imagecreatefromgif
            [1050] => imagecreatefromjpeg
            [1051] => imagecreatefrompng
            [1052] => imagecreatefromwebp
            [1053] => imagecreatefromxbm
            [1054] => imagecreatefromxpm
            [1055] => imagecreatefromwbmp
            [1056] => imagecreatefromgd
            [1057] => imagecreatefromgd2
            [1058] => imagecreatefromgd2part
            [1059] => imagecreatefrombmp
            [1060] => imagecreatefromtga
            [1061] => imagexbm
            [1062] => imagegif
            [1063] => imagepng
            [1064] => imagewebp
            [1065] => imagejpeg
            [1066] => imagewbmp
            [1067] => imagegd
            [1068] => imagegd2
            [1069] => imagebmp
            [1070] => imagedestroy
            [1071] => imagecolorallocate
            [1072] => imagepalettecopy
            [1073] => imagecolorat
            [1074] => imagecolorclosest
            [1075] => imagecolorclosesthwb
            [1076] => imagecolordeallocate
            [1077] => imagecolorresolve
            [1078] => imagecolorexact
            [1079] => imagecolorset
            [1080] => imagecolorsforindex
            [1081] => imagegammacorrect
            [1082] => imagesetpixel
            [1083] => imageline
            [1084] => imagedashedline
            [1085] => imagerectangle
            [1086] => imagefilledrectangle
            [1087] => imagearc
            [1088] => imageellipse
            [1089] => imagefilltoborder
            [1090] => imagefill
            [1091] => imagecolorstotal
            [1092] => imagecolortransparent
            [1093] => imageinterlace
            [1094] => imagepolygon
            [1095] => imageopenpolygon
            [1096] => imagefilledpolygon
            [1097] => imagefontwidth
            [1098] => imagefontheight
            [1099] => imagechar
            [1100] => imagecharup
            [1101] => imagestring
            [1102] => imagestringup
            [1103] => imagecopy
            [1104] => imagecopymerge
            [1105] => imagecopymergegray
            [1106] => imagecopyresized
            [1107] => imagesx
            [1108] => imagesy
            [1109] => imagesetclip
            [1110] => imagegetclip
            [1111] => imageftbbox
            [1112] => imagefttext
            [1113] => imagettfbbox
            [1114] => imagettftext
            [1115] => imagefilter
            [1116] => imageconvolution
            [1117] => imageflip
            [1118] => imageantialias
            [1119] => imagecrop
            [1120] => imagecropauto
            [1121] => imagescale
            [1122] => imageaffine
            [1123] => imageaffinematrixget
            [1124] => imageaffinematrixconcat
            [1125] => imagegetinterpolation
            [1126] => imagesetinterpolation
            [1127] => imageresolution
            [1128] => textdomain
            [1129] => gettext
            [1130] => _
            [1131] => dgettext
            [1132] => dcgettext
            [1133] => bindtextdomain
            [1134] => ngettext
            [1135] => dngettext
            [1136] => dcngettext
            [1137] => bind_textdomain_codeset
            [1138] => iconv_strlen
            [1139] => iconv_substr
            [1140] => iconv_strpos
            [1141] => iconv_strrpos
            [1142] => iconv_mime_encode
            [1143] => iconv_mime_decode
            [1144] => iconv_mime_decode_headers
            [1145] => iconv
            [1146] => iconv_set_encoding
            [1147] => iconv_get_encoding
            [1148] => mb_language
            [1149] => mb_internal_encoding
            [1150] => mb_http_input
            [1151] => mb_http_output
            [1152] => mb_detect_order
            [1153] => mb_substitute_character
            [1154] => mb_preferred_mime_name
            [1155] => mb_parse_str
            [1156] => mb_output_handler
            [1157] => mb_str_split
            [1158] => mb_strlen
            [1159] => mb_strpos
            [1160] => mb_strrpos
            [1161] => mb_stripos
            [1162] => mb_strripos
            [1163] => mb_strstr
            [1164] => mb_strrchr
            [1165] => mb_stristr
            [1166] => mb_strrichr
            [1167] => mb_substr_count
            [1168] => mb_substr
            [1169] => mb_strcut
            [1170] => mb_strwidth
            [1171] => mb_strimwidth
            [1172] => mb_convert_encoding
            [1173] => mb_convert_case
            [1174] => mb_strtoupper
            [1175] => mb_strtolower
            [1176] => mb_detect_encoding
            [1177] => mb_list_encodings
            [1178] => mb_encoding_aliases
            [1179] => mb_encode_mimeheader
            [1180] => mb_decode_mimeheader
            [1181] => mb_convert_kana
            [1182] => mb_convert_variables
            [1183] => mb_encode_numericentity
            [1184] => mb_decode_numericentity
            [1185] => mb_send_mail
            [1186] => mb_get_info
            [1187] => mb_check_encoding
            [1188] => mb_scrub
            [1189] => mb_ord
            [1190] => mb_chr
            [1191] => mb_str_pad
            [1192] => mb_regex_encoding
            [1193] => mb_ereg
            [1194] => mb_eregi
            [1195] => mb_ereg_replace
            [1196] => mb_eregi_replace
            [1197] => mb_ereg_replace_callback
            [1198] => mb_split
            [1199] => mb_ereg_match
            [1200] => mb_ereg_search
            [1201] => mb_ereg_search_pos
            [1202] => mb_ereg_search_regs
            [1203] => mb_ereg_search_init
            [1204] => mb_ereg_search_getregs
            [1205] => mb_ereg_search_getpos
            [1206] => mb_ereg_search_setpos
            [1207] => mb_regex_set_options
            [1208] => pdo_drivers
            [1209] => posix_kill
            [1210] => posix_getpid
            [1211] => posix_getppid
            [1212] => posix_getuid
            [1213] => posix_setuid
            [1214] => posix_geteuid
            [1215] => posix_seteuid
            [1216] => posix_getgid
            [1217] => posix_setgid
            [1218] => posix_getegid
            [1219] => posix_setegid
            [1220] => posix_getgroups
            [1221] => posix_getlogin
            [1222] => posix_getpgrp
            [1223] => posix_setsid
            [1224] => posix_setpgid
            [1225] => posix_getpgid
            [1226] => posix_getsid
            [1227] => posix_uname
            [1228] => posix_times
            [1229] => posix_ctermid
            [1230] => posix_ttyname
            [1231] => posix_isatty
            [1232] => posix_getcwd
            [1233] => posix_mkfifo
            [1234] => posix_mknod
            [1235] => posix_access
            [1236] => posix_eaccess
            [1237] => posix_getgrnam
            [1238] => posix_getgrgid
            [1239] => posix_getpwnam
            [1240] => posix_getpwuid
            [1241] => posix_getrlimit
            [1242] => posix_setrlimit
            [1243] => posix_get_last_error
            [1244] => posix_errno
            [1245] => posix_strerror
            [1246] => posix_initgroups
            [1247] => posix_sysconf
            [1248] => posix_pathconf
            [1249] => posix_fpathconf
            [1250] => shmop_open
            [1251] => shmop_read
            [1252] => shmop_close
            [1253] => shmop_size
            [1254] => shmop_write
            [1255] => shmop_delete
            [1256] => simplexml_load_file
            [1257] => simplexml_load_string
            [1258] => simplexml_import_dom
            [1259] => msg_get_queue
            [1260] => msg_send
            [1261] => msg_receive
            [1262] => msg_remove_queue
            [1263] => msg_stat_queue
            [1264] => msg_set_queue
            [1265] => msg_queue_exists
            [1266] => sem_get
            [1267] => sem_acquire
            [1268] => sem_release
            [1269] => sem_remove
            [1270] => shm_attach
            [1271] => shm_detach
            [1272] => shm_has_var
            [1273] => shm_remove
            [1274] => shm_put_var
            [1275] => shm_get_var
            [1276] => shm_remove_var
            [1277] => token_get_all
            [1278] => token_name
            [1279] => xml_parser_create
            [1280] => xml_parser_create_ns
            [1281] => xml_set_object
            [1282] => xml_set_element_handler
            [1283] => xml_set_character_data_handler
            [1284] => xml_set_processing_instruction_handler
            [1285] => xml_set_default_handler
            [1286] => xml_set_unparsed_entity_decl_handler
            [1287] => xml_set_notation_decl_handler
            [1288] => xml_set_external_entity_ref_handler
            [1289] => xml_set_start_namespace_decl_handler
            [1290] => xml_set_end_namespace_decl_handler
            [1291] => xml_parse
            [1292] => xml_parse_into_struct
            [1293] => xml_get_error_code
            [1294] => xml_error_string
            [1295] => xml_get_current_line_number
            [1296] => xml_get_current_column_number
            [1297] => xml_get_current_byte_index
            [1298] => xml_parser_free
            [1299] => xml_parser_set_option
            [1300] => xml_parser_get_option
            [1301] => xmlwriter_open_uri
            [1302] => xmlwriter_open_memory
            [1303] => xmlwriter_set_indent
            [1304] => xmlwriter_set_indent_string
            [1305] => xmlwriter_start_comment
            [1306] => xmlwriter_end_comment
            [1307] => xmlwriter_start_attribute
            [1308] => xmlwriter_end_attribute
            [1309] => xmlwriter_write_attribute
            [1310] => xmlwriter_start_attribute_ns
            [1311] => xmlwriter_write_attribute_ns
            [1312] => xmlwriter_start_element
            [1313] => xmlwriter_end_element
            [1314] => xmlwriter_full_end_element
            [1315] => xmlwriter_start_element_ns
            [1316] => xmlwriter_write_element
            [1317] => xmlwriter_write_element_ns
            [1318] => xmlwriter_start_pi
            [1319] => xmlwriter_end_pi
            [1320] => xmlwriter_write_pi
            [1321] => xmlwriter_start_cdata
            [1322] => xmlwriter_end_cdata
            [1323] => xmlwriter_write_cdata
            [1324] => xmlwriter_text
            [1325] => xmlwriter_write_raw
            [1326] => xmlwriter_start_document
            [1327] => xmlwriter_end_document
            [1328] => xmlwriter_write_comment
            [1329] => xmlwriter_start_dtd
            [1330] => xmlwriter_end_dtd
            [1331] => xmlwriter_write_dtd
            [1332] => xmlwriter_start_dtd_element
            [1333] => xmlwriter_end_dtd_element
            [1334] => xmlwriter_write_dtd_element
            [1335] => xmlwriter_start_dtd_attlist
            [1336] => xmlwriter_end_dtd_attlist
            [1337] => xmlwriter_write_dtd_attlist
            [1338] => xmlwriter_start_dtd_entity
            [1339] => xmlwriter_end_dtd_entity
            [1340] => xmlwriter_write_dtd_entity
            [1341] => xmlwriter_output_memory
            [1342] => xmlwriter_flush
            [1343] => mysqli_affected_rows
            [1344] => mysqli_autocommit
            [1345] => mysqli_begin_transaction
            [1346] => mysqli_change_user
            [1347] => mysqli_character_set_name
            [1348] => mysqli_close
            [1349] => mysqli_commit
            [1350] => mysqli_connect
            [1351] => mysqli_connect_errno
            [1352] => mysqli_connect_error
            [1353] => mysqli_data_seek
            [1354] => mysqli_dump_debug_info
            [1355] => mysqli_debug
            [1356] => mysqli_errno
            [1357] => mysqli_error
            [1358] => mysqli_error_list
            [1359] => mysqli_stmt_execute
            [1360] => mysqli_execute
            [1361] => mysqli_execute_query
            [1362] => mysqli_fetch_field
            [1363] => mysqli_fetch_fields
            [1364] => mysqli_fetch_field_direct
            [1365] => mysqli_fetch_lengths
            [1366] => mysqli_fetch_all
            [1367] => mysqli_fetch_array
            [1368] => mysqli_fetch_assoc
            [1369] => mysqli_fetch_object
            [1370] => mysqli_fetch_row
            [1371] => mysqli_fetch_column
            [1372] => mysqli_field_count
            [1373] => mysqli_field_seek
            [1374] => mysqli_field_tell
            [1375] => mysqli_free_result
            [1376] => mysqli_get_connection_stats
            [1377] => mysqli_get_client_stats
            [1378] => mysqli_get_charset
            [1379] => mysqli_get_client_info
            [1380] => mysqli_get_client_version
            [1381] => mysqli_get_links_stats
            [1382] => mysqli_get_host_info
            [1383] => mysqli_get_proto_info
            [1384] => mysqli_get_server_info
            [1385] => mysqli_get_server_version
            [1386] => mysqli_get_warnings
            [1387] => mysqli_init
            [1388] => mysqli_info
            [1389] => mysqli_insert_id
            [1390] => mysqli_kill
            [1391] => mysqli_more_results
            [1392] => mysqli_multi_query
            [1393] => mysqli_next_result
            [1394] => mysqli_num_fields
            [1395] => mysqli_num_rows
            [1396] => mysqli_options
            [1397] => mysqli_set_opt
            [1398] => mysqli_ping
            [1399] => mysqli_poll
            [1400] => mysqli_prepare
            [1401] => mysqli_report
            [1402] => mysqli_query
            [1403] => mysqli_real_connect
            [1404] => mysqli_real_escape_string
            [1405] => mysqli_escape_string
            [1406] => mysqli_real_query
            [1407] => mysqli_reap_async_query
            [1408] => mysqli_release_savepoint
            [1409] => mysqli_rollback
            [1410] => mysqli_savepoint
            [1411] => mysqli_select_db
            [1412] => mysqli_set_charset
            [1413] => mysqli_stmt_affected_rows
            [1414] => mysqli_stmt_attr_get
            [1415] => mysqli_stmt_attr_set
            [1416] => mysqli_stmt_bind_param
            [1417] => mysqli_stmt_bind_result
            [1418] => mysqli_stmt_close
            [1419] => mysqli_stmt_data_seek
            [1420] => mysqli_stmt_errno
            [1421] => mysqli_stmt_error
            [1422] => mysqli_stmt_error_list
            [1423] => mysqli_stmt_fetch
            [1424] => mysqli_stmt_field_count
            [1425] => mysqli_stmt_free_result
            [1426] => mysqli_stmt_get_result
            [1427] => mysqli_stmt_get_warnings
            [1428] => mysqli_stmt_init
            [1429] => mysqli_stmt_insert_id
            [1430] => mysqli_stmt_more_results
            [1431] => mysqli_stmt_next_result
            [1432] => mysqli_stmt_num_rows
            [1433] => mysqli_stmt_param_count
            [1434] => mysqli_stmt_prepare
            [1435] => mysqli_stmt_reset
            [1436] => mysqli_stmt_result_metadata
            [1437] => mysqli_stmt_send_long_data
            [1438] => mysqli_stmt_store_result
            [1439] => mysqli_stmt_sqlstate
            [1440] => mysqli_sqlstate
            [1441] => mysqli_ssl_set
            [1442] => mysqli_stat
            [1443] => mysqli_store_result
            [1444] => mysqli_thread_id
            [1445] => mysqli_thread_safe
            [1446] => mysqli_use_result
            [1447] => mysqli_warning_count
            [1448] => mysqli_refresh
            [1449] => igbinary_serialize
            [1450] => igbinary_unserialize
            [1451] => msgpack_serialize
            [1452] => msgpack_unserialize
            [1453] => msgpack_pack
            [1454] => msgpack_unpack
            [1455] => swoole_version
            [1456] => swoole_cpu_num
            [1457] => swoole_last_error
            [1458] => swoole_async_dns_lookup_coro
            [1459] => swoole_async_set
            [1460] => swoole_coroutine_create
            [1461] => swoole_coroutine_defer
            [1462] => swoole_coroutine_socketpair
            [1463] => swoole_test_kernel_coroutine
            [1464] => swoole_client_select
            [1465] => swoole_select
            [1466] => swoole_set_process_name
            [1467] => swoole_get_local_ip
            [1468] => swoole_get_local_mac
            [1469] => swoole_strerror
            [1470] => swoole_errno
            [1471] => swoole_clear_error
            [1472] => swoole_error_log
            [1473] => swoole_error_log_ex
            [1474] => swoole_ignore_error
            [1475] => swoole_hashcode
            [1476] => swoole_mime_type_add
            [1477] => swoole_mime_type_set
            [1478] => swoole_mime_type_delete
            [1479] => swoole_mime_type_get
            [1480] => swoole_get_mime_type
            [1481] => swoole_mime_type_exists
            [1482] => swoole_mime_type_list
            [1483] => swoole_clear_dns_cache
            [1484] => swoole_substr_unserialize
            [1485] => swoole_substr_json_decode
            [1486] => swoole_internal_call_user_shutdown_begin
            [1487] => swoole_get_objects
            [1488] => swoole_get_vm_status
            [1489] => swoole_get_object_by_handle
            [1490] => swoole_name_resolver_lookup
            [1491] => swoole_name_resolver_add
            [1492] => swoole_name_resolver_remove
            [1493] => zstd_compress
            [1494] => zstd_uncompress
            [1495] => zstd_decompress
            [1496] => zstd_compress_dict
            [1497] => zstd_uncompress_dict
            [1498] => zstd_compress_usingcdict
            [1499] => zstd_decompress_dict
            [1500] => zstd_uncompress_usingcdict
            [1501] => zstd_decompress_usingcdict
            [1502] => zstd\compress
            [1503] => zstd\uncompress
            [1504] => zstd\decompress
            [1505] => zstd\compress_dict
            [1506] => zstd\compress_usingcdict
            [1507] => zstd\uncompress_dict
            [1508] => zstd\decompress_dict
            [1509] => zstd\uncompress_usingcdict
            [1510] => zstd\decompress_usingcdict
            [1511] => go
            [1512] => defer
            [1513] => swoole_event_add
            [1514] => swoole_event_del
            [1515] => swoole_event_set
            [1516] => swoole_event_wait
            [1517] => swoole_event_isset
            [1518] => swoole_event_dispatch
            [1519] => swoole_event_defer
            [1520] => swoole_event_cycle
            [1521] => swoole_event_write
            [1522] => swoole_event_exit
            [1523] => swoole_timer_set
            [1524] => swoole_timer_after
            [1525] => swoole_timer_tick
            [1526] => swoole_timer_info
            [1527] => swoole_timer_list
            [1528] => swoole_timer_exists
            [1529] => swoole_timer_stats
            [1530] => swoole_timer_clear
            [1531] => swoole_timer_clear_all
            [1532] => opcache_reset
            [1533] => opcache_get_status
            [1534] => opcache_compile_file
            [1535] => opcache_invalidate
            [1536] => opcache_get_configuration
            [1537] => opcache_is_script_cached
        )

    [user] => Array
        (
            [0] => memory_usage
            [1] => microtime_float
            [2] => formatsize
            [3] => valid_email
            [4] => show
            [5] => isfun
            [6] => isfun1
            [7] => sys_linux
            [8] => sys_freebsd
            [9] => get_key
            [10] => find_command
            [11] => do_command
            [12] => sys_windows
            [13] => getwmi
            [14] => bar
        )

)