这里显示系统所支持的所有函数,和自定义函数
Array
(
    [internal] => Array
        (
            [0] => clone
            [1] => exit
            [2] => die
            [3] => zend_version
            [4] => func_num_args
            [5] => func_get_arg
            [6] => func_get_args
            [7] => strlen
            [8] => strcmp
            [9] => strncmp
            [10] => strcasecmp
            [11] => strncasecmp
            [12] => error_reporting
            [13] => define
            [14] => defined
            [15] => get_class
            [16] => get_called_class
            [17] => get_parent_class
            [18] => is_subclass_of
            [19] => is_a
            [20] => get_class_vars
            [21] => get_object_vars
            [22] => get_mangled_object_vars
            [23] => get_class_methods
            [24] => method_exists
            [25] => property_exists
            [26] => class_exists
            [27] => interface_exists
            [28] => trait_exists
            [29] => enum_exists
            [30] => function_exists
            [31] => class_alias
            [32] => get_included_files
            [33] => get_required_files
            [34] => trigger_error
            [35] => user_error
            [36] => set_error_handler
            [37] => restore_error_handler
            [38] => get_error_handler
            [39] => set_exception_handler
            [40] => restore_exception_handler
            [41] => get_exception_handler
            [42] => get_declared_classes
            [43] => get_declared_traits
            [44] => get_declared_interfaces
            [45] => get_defined_functions
            [46] => get_defined_vars
            [47] => get_resource_type
            [48] => get_resource_id
            [49] => get_resources
            [50] => get_loaded_extensions
            [51] => get_defined_constants
            [52] => debug_backtrace
            [53] => debug_print_backtrace
            [54] => extension_loaded
            [55] => get_extension_funcs
            [56] => gc_mem_caches
            [57] => gc_collect_cycles
            [58] => gc_enabled
            [59] => gc_enable
            [60] => gc_disable
            [61] => gc_status
            [62] => strtotime
            [63] => date
            [64] => idate
            [65] => gmdate
            [66] => mktime
            [67] => gmmktime
            [68] => checkdate
            [69] => strftime
            [70] => gmstrftime
            [71] => time
            [72] => localtime
            [73] => getdate
            [74] => date_create
            [75] => date_create_immutable
            [76] => date_create_from_format
            [77] => date_create_immutable_from_format
            [78] => date_parse
            [79] => date_parse_from_format
            [80] => date_get_last_errors
            [81] => date_format
            [82] => date_modify
            [83] => date_add
            [84] => date_sub
            [85] => date_timezone_get
            [86] => date_timezone_set
            [87] => date_offset_get
            [88] => date_diff
            [89] => date_time_set
            [90] => date_date_set
            [91] => date_isodate_set
            [92] => date_timestamp_set
            [93] => date_timestamp_get
            [94] => timezone_open
            [95] => timezone_name_get
            [96] => timezone_name_from_abbr
            [97] => timezone_offset_get
            [98] => timezone_transitions_get
            [99] => timezone_location_get
            [100] => timezone_identifiers_list
            [101] => timezone_abbreviations_list
            [102] => timezone_version_get
            [103] => date_interval_create_from_date_string
            [104] => date_interval_format
            [105] => date_default_timezone_set
            [106] => date_default_timezone_get
            [107] => date_sunrise
            [108] => date_sunset
            [109] => date_sun_info
            [110] => libxml_set_streams_context
            [111] => libxml_use_internal_errors
            [112] => libxml_get_last_error
            [113] => libxml_get_errors
            [114] => libxml_clear_errors
            [115] => libxml_disable_entity_loader
            [116] => libxml_set_external_entity_loader
            [117] => libxml_get_external_entity_loader
            [118] => openssl_x509_export_to_file
            [119] => openssl_x509_export
            [120] => openssl_x509_fingerprint
            [121] => openssl_x509_check_private_key
            [122] => openssl_x509_verify
            [123] => openssl_x509_parse
            [124] => openssl_x509_checkpurpose
            [125] => openssl_x509_read
            [126] => openssl_x509_free
            [127] => openssl_pkcs12_export_to_file
            [128] => openssl_pkcs12_export
            [129] => openssl_pkcs12_read
            [130] => openssl_csr_export_to_file
            [131] => openssl_csr_export
            [132] => openssl_csr_sign
            [133] => openssl_csr_new
            [134] => openssl_csr_get_subject
            [135] => openssl_csr_get_public_key
            [136] => openssl_pkey_new
            [137] => openssl_pkey_export_to_file
            [138] => openssl_pkey_export
            [139] => openssl_pkey_get_public
            [140] => openssl_get_publickey
            [141] => openssl_pkey_free
            [142] => openssl_free_key
            [143] => openssl_pkey_get_private
            [144] => openssl_get_privatekey
            [145] => openssl_pkey_get_details
            [146] => openssl_pbkdf2
            [147] => openssl_pkcs7_verify
            [148] => openssl_pkcs7_encrypt
            [149] => openssl_pkcs7_sign
            [150] => openssl_pkcs7_decrypt
            [151] => openssl_pkcs7_read
            [152] => openssl_cms_verify
            [153] => openssl_cms_encrypt
            [154] => openssl_cms_sign
            [155] => openssl_cms_decrypt
            [156] => openssl_cms_read
            [157] => openssl_private_encrypt
            [158] => openssl_private_decrypt
            [159] => openssl_public_encrypt
            [160] => openssl_public_decrypt
            [161] => openssl_error_string
            [162] => openssl_sign
            [163] => openssl_verify
            [164] => openssl_seal
            [165] => openssl_open
            [166] => openssl_get_md_methods
            [167] => openssl_get_cipher_methods
            [168] => openssl_get_curve_names
            [169] => openssl_digest
            [170] => openssl_encrypt
            [171] => openssl_decrypt
            [172] => openssl_cipher_iv_length
            [173] => openssl_cipher_key_length
            [174] => openssl_dh_compute_key
            [175] => openssl_pkey_derive
            [176] => openssl_random_pseudo_bytes
            [177] => openssl_spki_new
            [178] => openssl_spki_verify
            [179] => openssl_spki_export
            [180] => openssl_spki_export_challenge
            [181] => openssl_get_cert_locations
            [182] => preg_match
            [183] => preg_match_all
            [184] => preg_replace
            [185] => preg_filter
            [186] => preg_replace_callback
            [187] => preg_replace_callback_array
            [188] => preg_split
            [189] => preg_quote
            [190] => preg_grep
            [191] => preg_last_error
            [192] => preg_last_error_msg
            [193] => ob_gzhandler
            [194] => zlib_get_coding_type
            [195] => gzfile
            [196] => gzopen
            [197] => readgzfile
            [198] => zlib_encode
            [199] => zlib_decode
            [200] => gzdeflate
            [201] => gzencode
            [202] => gzcompress
            [203] => gzinflate
            [204] => gzdecode
            [205] => gzuncompress
            [206] => gzwrite
            [207] => gzputs
            [208] => gzrewind
            [209] => gzclose
            [210] => gzeof
            [211] => gzgetc
            [212] => gzpassthru
            [213] => gzseek
            [214] => gztell
            [215] => gzread
            [216] => gzgets
            [217] => deflate_init
            [218] => deflate_add
            [219] => inflate_init
            [220] => inflate_add
            [221] => inflate_get_status
            [222] => inflate_get_read_len
            [223] => ctype_alnum
            [224] => ctype_alpha
            [225] => ctype_cntrl
            [226] => ctype_digit
            [227] => ctype_lower
            [228] => ctype_graph
            [229] => ctype_print
            [230] => ctype_punct
            [231] => ctype_space
            [232] => ctype_upper
            [233] => ctype_xdigit
            [234] => curl_close
            [235] => curl_copy_handle
            [236] => curl_errno
            [237] => curl_error
            [238] => curl_escape
            [239] => curl_unescape
            [240] => curl_multi_setopt
            [241] => curl_exec
            [242] => curl_file_create
            [243] => curl_getinfo
            [244] => curl_init
            [245] => curl_upkeep
            [246] => curl_multi_add_handle
            [247] => curl_multi_get_handles
            [248] => curl_multi_close
            [249] => curl_multi_errno
            [250] => curl_multi_exec
            [251] => curl_multi_getcontent
            [252] => curl_multi_info_read
            [253] => curl_multi_init
            [254] => curl_multi_remove_handle
            [255] => curl_multi_select
            [256] => curl_multi_strerror
            [257] => curl_pause
            [258] => curl_reset
            [259] => curl_setopt_array
            [260] => curl_setopt
            [261] => curl_share_close
            [262] => curl_share_errno
            [263] => curl_share_init
            [264] => curl_share_setopt
            [265] => curl_share_strerror
            [266] => curl_share_init_persistent
            [267] => curl_strerror
            [268] => curl_version
            [269] => dom_import_simplexml
            [270] => dom\import_simplexml
            [271] => finfo_open
            [272] => finfo_close
            [273] => finfo_set_flags
            [274] => finfo_file
            [275] => finfo_buffer
            [276] => mime_content_type
            [277] => filter_has_var
            [278] => filter_input
            [279] => filter_var
            [280] => filter_input_array
            [281] => filter_var_array
            [282] => filter_list
            [283] => filter_id
            [284] => hash
            [285] => hash_file
            [286] => hash_hmac
            [287] => hash_hmac_file
            [288] => hash_init
            [289] => hash_update
            [290] => hash_update_stream
            [291] => hash_update_file
            [292] => hash_final
            [293] => hash_copy
            [294] => hash_algos
            [295] => hash_hmac_algos
            [296] => hash_pbkdf2
            [297] => hash_equals
            [298] => hash_hkdf
            [299] => mhash_get_block_size
            [300] => mhash_get_hash_name
            [301] => mhash_keygen_s2k
            [302] => mhash_count
            [303] => mhash
            [304] => iconv_strlen
            [305] => iconv_substr
            [306] => iconv_strpos
            [307] => iconv_strrpos
            [308] => iconv_mime_encode
            [309] => iconv_mime_decode
            [310] => iconv_mime_decode_headers
            [311] => iconv
            [312] => iconv_set_encoding
            [313] => iconv_get_encoding
            [314] => json_encode
            [315] => json_decode
            [316] => json_validate
            [317] => json_last_error
            [318] => json_last_error_msg
            [319] => mb_language
            [320] => mb_internal_encoding
            [321] => mb_http_input
            [322] => mb_http_output
            [323] => mb_detect_order
            [324] => mb_substitute_character
            [325] => mb_preferred_mime_name
            [326] => mb_parse_str
            [327] => mb_output_handler
            [328] => mb_str_split
            [329] => mb_strlen
            [330] => mb_strpos
            [331] => mb_strrpos
            [332] => mb_stripos
            [333] => mb_strripos
            [334] => mb_strstr
            [335] => mb_strrchr
            [336] => mb_stristr
            [337] => mb_strrichr
            [338] => mb_substr_count
            [339] => mb_substr
            [340] => mb_strcut
            [341] => mb_strwidth
            [342] => mb_strimwidth
            [343] => mb_convert_encoding
            [344] => mb_convert_case
            [345] => mb_strtoupper
            [346] => mb_strtolower
            [347] => mb_ucfirst
            [348] => mb_lcfirst
            [349] => mb_trim
            [350] => mb_ltrim
            [351] => mb_rtrim
            [352] => mb_detect_encoding
            [353] => mb_list_encodings
            [354] => mb_encoding_aliases
            [355] => mb_encode_mimeheader
            [356] => mb_decode_mimeheader
            [357] => mb_convert_kana
            [358] => mb_convert_variables
            [359] => mb_encode_numericentity
            [360] => mb_decode_numericentity
            [361] => mb_send_mail
            [362] => mb_get_info
            [363] => mb_check_encoding
            [364] => mb_scrub
            [365] => mb_ord
            [366] => mb_chr
            [367] => mb_str_pad
            [368] => mb_regex_encoding
            [369] => mb_ereg
            [370] => mb_eregi
            [371] => mb_ereg_replace
            [372] => mb_eregi_replace
            [373] => mb_ereg_replace_callback
            [374] => mb_split
            [375] => mb_ereg_match
            [376] => mb_ereg_search
            [377] => mb_ereg_search_pos
            [378] => mb_ereg_search_regs
            [379] => mb_ereg_search_init
            [380] => mb_ereg_search_getregs
            [381] => mb_ereg_search_getpos
            [382] => mb_ereg_search_setpos
            [383] => mb_regex_set_options
            [384] => opcache_reset
            [385] => opcache_get_status
            [386] => opcache_compile_file
            [387] => opcache_invalidate
            [388] => opcache_jit_blacklist
            [389] => opcache_get_configuration
            [390] => opcache_is_script_cached
            [391] => opcache_is_script_cached_in_file_cache
            [392] => set_time_limit
            [393] => header_register_callback
            [394] => ob_start
            [395] => ob_flush
            [396] => ob_clean
            [397] => ob_end_flush
            [398] => ob_end_clean
            [399] => ob_get_flush
            [400] => ob_get_clean
            [401] => ob_get_contents
            [402] => ob_get_level
            [403] => ob_get_length
            [404] => ob_list_handlers
            [405] => ob_get_status
            [406] => ob_implicit_flush
            [407] => output_reset_rewrite_vars
            [408] => output_add_rewrite_var
            [409] => stream_wrapper_register
            [410] => stream_register_wrapper
            [411] => stream_wrapper_unregister
            [412] => stream_wrapper_restore
            [413] => array_push
            [414] => krsort
            [415] => ksort
            [416] => count
            [417] => sizeof
            [418] => natsort
            [419] => natcasesort
            [420] => asort
            [421] => arsort
            [422] => sort
            [423] => rsort
            [424] => usort
            [425] => uasort
            [426] => uksort
            [427] => end
            [428] => prev
            [429] => next
            [430] => reset
            [431] => current
            [432] => pos
            [433] => key
            [434] => min
            [435] => max
            [436] => array_walk
            [437] => array_walk_recursive
            [438] => in_array
            [439] => array_search
            [440] => extract
            [441] => compact
            [442] => array_fill
            [443] => array_fill_keys
            [444] => range
            [445] => shuffle
            [446] => array_pop
            [447] => array_shift
            [448] => array_unshift
            [449] => array_splice
            [450] => array_slice
            [451] => array_merge
            [452] => array_merge_recursive
            [453] => array_replace
            [454] => array_replace_recursive
            [455] => array_keys
            [456] => array_key_first
            [457] => array_key_last
            [458] => array_first
            [459] => array_last
            [460] => array_values
            [461] => array_count_values
            [462] => array_column
            [463] => array_reverse
            [464] => array_pad
            [465] => array_flip
            [466] => array_change_key_case
            [467] => array_unique
            [468] => array_intersect_key
            [469] => array_intersect_ukey
            [470] => array_intersect
            [471] => array_uintersect
            [472] => array_intersect_assoc
            [473] => array_uintersect_assoc
            [474] => array_intersect_uassoc
            [475] => array_uintersect_uassoc
            [476] => array_diff_key
            [477] => array_diff_ukey
            [478] => array_diff
            [479] => array_udiff
            [480] => array_diff_assoc
            [481] => array_diff_uassoc
            [482] => array_udiff_assoc
            [483] => array_udiff_uassoc
            [484] => array_multisort
            [485] => array_rand
            [486] => array_sum
            [487] => array_product
            [488] => array_reduce
            [489] => array_filter
            [490] => array_find
            [491] => array_find_key
            [492] => array_any
            [493] => array_all
            [494] => array_map
            [495] => array_key_exists
            [496] => key_exists
            [497] => array_chunk
            [498] => array_combine
            [499] => array_is_list
            [500] => base64_encode
            [501] => base64_decode
            [502] => constant
            [503] => ip2long
            [504] => long2ip
            [505] => getenv
            [506] => putenv
            [507] => getopt
            [508] => flush
            [509] => sleep
            [510] => usleep
            [511] => time_nanosleep
            [512] => time_sleep_until
            [513] => get_current_user
            [514] => get_cfg_var
            [515] => error_log
            [516] => error_get_last
            [517] => error_clear_last
            [518] => call_user_func
            [519] => call_user_func_array
            [520] => forward_static_call
            [521] => forward_static_call_array
            [522] => register_shutdown_function
            [523] => highlight_file
            [524] => show_source
            [525] => php_strip_whitespace
            [526] => highlight_string
            [527] => ini_get
            [528] => ini_get_all
            [529] => ini_set
            [530] => ini_alter
            [531] => ini_restore
            [532] => ini_parse_quantity
            [533] => set_include_path
            [534] => get_include_path
            [535] => print_r
            [536] => connection_aborted
            [537] => connection_status
            [538] => ignore_user_abort
            [539] => getservbyname
            [540] => getservbyport
            [541] => getprotobyname
            [542] => getprotobynumber
            [543] => register_tick_function
            [544] => unregister_tick_function
            [545] => is_uploaded_file
            [546] => move_uploaded_file
            [547] => parse_ini_file
            [548] => parse_ini_string
            [549] => sys_getloadavg
            [550] => get_browser
            [551] => crc32
            [552] => crypt
            [553] => strptime
            [554] => gethostname
            [555] => gethostbyaddr
            [556] => gethostbyname
            [557] => gethostbynamel
            [558] => dns_check_record
            [559] => checkdnsrr
            [560] => dns_get_record
            [561] => dns_get_mx
            [562] => getmxrr
            [563] => net_get_interfaces
            [564] => ftok
            [565] => hrtime
            [566] => md5
            [567] => md5_file
            [568] => getmyuid
            [569] => getmygid
            [570] => getmypid
            [571] => getmyinode
            [572] => getlastmod
            [573] => sha1
            [574] => sha1_file
            [575] => openlog
            [576] => closelog
            [577] => syslog
            [578] => inet_ntop
            [579] => inet_pton
            [580] => metaphone
            [581] => header
            [582] => header_remove
            [583] => setrawcookie
            [584] => setcookie
            [585] => http_response_code
            [586] => headers_sent
            [587] => headers_list
            [588] => htmlspecialchars
            [589] => htmlspecialchars_decode
            [590] => html_entity_decode
            [591] => htmlentities
            [592] => get_html_translation_table
            [593] => assert
            [594] => assert_options
            [595] => bin2hex
            [596] => hex2bin
            [597] => strspn
            [598] => strcspn
            [599] => nl_langinfo
            [600] => strcoll
            [601] => trim
            [602] => rtrim
            [603] => chop
            [604] => ltrim
            [605] => wordwrap
            [606] => explode
            [607] => implode
            [608] => join
            [609] => strtok
            [610] => strtoupper
            [611] => strtolower
            [612] => str_increment
            [613] => str_decrement
            [614] => basename
            [615] => dirname
            [616] => pathinfo
            [617] => stristr
            [618] => strstr
            [619] => strchr
            [620] => strpos
            [621] => stripos
            [622] => strrpos
            [623] => strripos
            [624] => strrchr
            [625] => str_contains
            [626] => str_starts_with
            [627] => str_ends_with
            [628] => chunk_split
            [629] => substr
            [630] => substr_replace
            [631] => quotemeta
            [632] => ord
            [633] => chr
            [634] => ucfirst
            [635] => lcfirst
            [636] => ucwords
            [637] => strtr
            [638] => strrev
            [639] => similar_text
            [640] => addcslashes
            [641] => addslashes
            [642] => stripcslashes
            [643] => stripslashes
            [644] => str_replace
            [645] => str_ireplace
            [646] => hebrev
            [647] => nl2br
            [648] => strip_tags
            [649] => setlocale
            [650] => parse_str
            [651] => str_getcsv
            [652] => str_repeat
            [653] => count_chars
            [654] => strnatcmp
            [655] => localeconv
            [656] => strnatcasecmp
            [657] => substr_count
            [658] => str_pad
            [659] => sscanf
            [660] => str_rot13
            [661] => str_shuffle
            [662] => str_word_count
            [663] => str_split
            [664] => strpbrk
            [665] => substr_compare
            [666] => utf8_encode
            [667] => utf8_decode
            [668] => opendir
            [669] => dir
            [670] => closedir
            [671] => chdir
            [672] => getcwd
            [673] => rewinddir
            [674] => readdir
            [675] => scandir
            [676] => glob
            [677] => exec
            [678] => system
            [679] => passthru
            [680] => escapeshellcmd
            [681] => escapeshellarg
            [682] => shell_exec
            [683] => proc_nice
            [684] => flock
            [685] => get_meta_tags
            [686] => pclose
            [687] => popen
            [688] => readfile
            [689] => rewind
            [690] => rmdir
            [691] => umask
            [692] => fclose
            [693] => feof
            [694] => fgetc
            [695] => fgets
            [696] => fread
            [697] => fopen
            [698] => fscanf
            [699] => fpassthru
            [700] => ftruncate
            [701] => fstat
            [702] => fseek
            [703] => ftell
            [704] => fflush
            [705] => fsync
            [706] => fdatasync
            [707] => fwrite
            [708] => fputs
            [709] => mkdir
            [710] => rename
            [711] => copy
            [712] => tempnam
            [713] => tmpfile
            [714] => file
            [715] => file_get_contents
            [716] => unlink
            [717] => file_put_contents
            [718] => fputcsv
            [719] => fgetcsv
            [720] => realpath
            [721] => fnmatch
            [722] => sys_get_temp_dir
            [723] => fileatime
            [724] => filectime
            [725] => filegroup
            [726] => fileinode
            [727] => filemtime
            [728] => fileowner
            [729] => fileperms
            [730] => filesize
            [731] => filetype
            [732] => file_exists
            [733] => is_writable
            [734] => is_writeable
            [735] => is_readable
            [736] => is_executable
            [737] => is_file
            [738] => is_dir
            [739] => is_link
            [740] => stat
            [741] => lstat
            [742] => chown
            [743] => chgrp
            [744] => lchown
            [745] => lchgrp
            [746] => chmod
            [747] => touch
            [748] => clearstatcache
            [749] => disk_total_space
            [750] => disk_free_space
            [751] => diskfreespace
            [752] => realpath_cache_get
            [753] => realpath_cache_size
            [754] => sprintf
            [755] => printf
            [756] => vprintf
            [757] => vsprintf
            [758] => fprintf
            [759] => vfprintf
            [760] => fsockopen
            [761] => pfsockopen
            [762] => http_build_query
            [763] => http_get_last_response_headers
            [764] => http_clear_last_response_headers
            [765] => request_parse_body
            [766] => image_type_to_mime_type
            [767] => image_type_to_extension
            [768] => getimagesize
            [769] => getimagesizefromstring
            [770] => phpinfo
            [771] => phpversion
            [772] => phpcredits
            [773] => php_sapi_name
            [774] => php_uname
            [775] => php_ini_scanned_files
            [776] => php_ini_loaded_file
            [777] => iptcembed
            [778] => iptcparse
            [779] => levenshtein
            [780] => readlink
            [781] => linkinfo
            [782] => symlink
            [783] => link
            [784] => mail
            [785] => abs
            [786] => ceil
            [787] => floor
            [788] => round
            [789] => sin
            [790] => cos
            [791] => tan
            [792] => asin
            [793] => acos
            [794] => atan
            [795] => atanh
            [796] => atan2
            [797] => sinh
            [798] => cosh
            [799] => tanh
            [800] => asinh
            [801] => acosh
            [802] => expm1
            [803] => log1p
            [804] => pi
            [805] => is_finite
            [806] => is_nan
            [807] => intdiv
            [808] => is_infinite
            [809] => pow
            [810] => exp
            [811] => log
            [812] => log10
            [813] => sqrt
            [814] => hypot
            [815] => deg2rad
            [816] => rad2deg
            [817] => bindec
            [818] => hexdec
            [819] => octdec
            [820] => decbin
            [821] => decoct
            [822] => dechex
            [823] => base_convert
            [824] => number_format
            [825] => fmod
            [826] => fdiv
            [827] => fpow
            [828] => microtime
            [829] => gettimeofday
            [830] => getrusage
            [831] => pack
            [832] => unpack
            [833] => password_get_info
            [834] => password_hash
            [835] => password_needs_rehash
            [836] => password_verify
            [837] => password_algos
            [838] => proc_open
            [839] => proc_close
            [840] => proc_terminate
            [841] => proc_get_status
            [842] => quoted_printable_decode
            [843] => quoted_printable_encode
            [844] => soundex
            [845] => stream_select
            [846] => stream_context_create
            [847] => stream_context_set_params
            [848] => stream_context_get_params
            [849] => stream_context_set_option
            [850] => stream_context_set_options
            [851] => stream_context_get_options
            [852] => stream_context_get_default
            [853] => stream_context_set_default
            [854] => stream_filter_prepend
            [855] => stream_filter_append
            [856] => stream_filter_remove
            [857] => stream_socket_client
            [858] => stream_socket_server
            [859] => stream_socket_accept
            [860] => stream_socket_get_name
            [861] => stream_socket_recvfrom
            [862] => stream_socket_sendto
            [863] => stream_socket_enable_crypto
            [864] => stream_socket_shutdown
            [865] => stream_socket_pair
            [866] => stream_copy_to_stream
            [867] => stream_get_contents
            [868] => stream_supports_lock
            [869] => stream_set_write_buffer
            [870] => set_file_buffer
            [871] => stream_set_read_buffer
            [872] => stream_set_blocking
            [873] => socket_set_blocking
            [874] => stream_get_meta_data
            [875] => socket_get_status
            [876] => stream_get_line
            [877] => stream_resolve_include_path
            [878] => stream_get_wrappers
            [879] => stream_get_transports
            [880] => stream_is_local
            [881] => stream_isatty
            [882] => stream_set_chunk_size
            [883] => stream_set_timeout
            [884] => socket_set_timeout
            [885] => gettype
            [886] => get_debug_type
            [887] => settype
            [888] => intval
            [889] => floatval
            [890] => doubleval
            [891] => boolval
            [892] => strval
            [893] => is_null
            [894] => is_resource
            [895] => is_bool
            [896] => is_int
            [897] => is_integer
            [898] => is_long
            [899] => is_float
            [900] => is_double
            [901] => is_numeric
            [902] => is_string
            [903] => is_array
            [904] => is_object
            [905] => is_scalar
            [906] => is_callable
            [907] => is_iterable
            [908] => is_countable
            [909] => uniqid
            [910] => parse_url
            [911] => urlencode
            [912] => urldecode
            [913] => rawurlencode
            [914] => rawurldecode
            [915] => get_headers
            [916] => stream_bucket_make_writeable
            [917] => stream_bucket_prepend
            [918] => stream_bucket_append
            [919] => stream_bucket_new
            [920] => stream_get_filters
            [921] => stream_filter_register
            [922] => convert_uuencode
            [923] => convert_uudecode
            [924] => var_dump
            [925] => var_export
            [926] => debug_zval_dump
            [927] => serialize
            [928] => unserialize
            [929] => memory_get_usage
            [930] => memory_get_peak_usage
            [931] => memory_reset_peak_usage
            [932] => version_compare
            [933] => class_implements
            [934] => class_parents
            [935] => class_uses
            [936] => spl_autoload
            [937] => spl_autoload_call
            [938] => spl_autoload_extensions
            [939] => spl_autoload_functions
            [940] => spl_autoload_register
            [941] => spl_autoload_unregister
            [942] => spl_classes
            [943] => spl_object_hash
            [944] => spl_object_id
            [945] => iterator_apply
            [946] => iterator_count
            [947] => iterator_to_array
            [948] => pdo_drivers
            [949] => posix_kill
            [950] => posix_getpid
            [951] => posix_getppid
            [952] => posix_getuid
            [953] => posix_setuid
            [954] => posix_geteuid
            [955] => posix_seteuid
            [956] => posix_getgid
            [957] => posix_setgid
            [958] => posix_getegid
            [959] => posix_setegid
            [960] => posix_getgroups
            [961] => posix_getlogin
            [962] => posix_getpgrp
            [963] => posix_setsid
            [964] => posix_setpgid
            [965] => posix_getpgid
            [966] => posix_getsid
            [967] => posix_uname
            [968] => posix_times
            [969] => posix_ctermid
            [970] => posix_ttyname
            [971] => posix_isatty
            [972] => posix_getcwd
            [973] => posix_mkfifo
            [974] => posix_mknod
            [975] => posix_access
            [976] => posix_eaccess
            [977] => posix_getgrnam
            [978] => posix_getgrgid
            [979] => posix_getpwnam
            [980] => posix_getpwuid
            [981] => posix_getrlimit
            [982] => posix_setrlimit
            [983] => posix_get_last_error
            [984] => posix_errno
            [985] => posix_strerror
            [986] => posix_initgroups
            [987] => posix_sysconf
            [988] => posix_pathconf
            [989] => posix_fpathconf
            [990] => lcg_value
            [991] => mt_srand
            [992] => srand
            [993] => rand
            [994] => mt_rand
            [995] => mt_getrandmax
            [996] => getrandmax
            [997] => random_bytes
            [998] => random_int
            [999] => readline
            [1000] => readline_info
            [1001] => readline_add_history
            [1002] => readline_clear_history
            [1003] => readline_list_history
            [1004] => readline_read_history
            [1005] => readline_write_history
            [1006] => readline_completion_function
            [1007] => readline_callback_handler_install
            [1008] => readline_callback_read_char
            [1009] => readline_callback_handler_remove
            [1010] => readline_redisplay
            [1011] => readline_on_new_line
            [1012] => session_name
            [1013] => session_module_name
            [1014] => session_save_path
            [1015] => session_id
            [1016] => session_create_id
            [1017] => session_regenerate_id
            [1018] => session_decode
            [1019] => session_encode
            [1020] => session_destroy
            [1021] => session_unset
            [1022] => session_gc
            [1023] => session_get_cookie_params
            [1024] => session_write_close
            [1025] => session_abort
            [1026] => session_reset
            [1027] => session_status
            [1028] => session_register_shutdown
            [1029] => session_commit
            [1030] => session_set_save_handler
            [1031] => session_cache_limiter
            [1032] => session_cache_expire
            [1033] => session_set_cookie_params
            [1034] => session_start
            [1035] => simplexml_load_file
            [1036] => simplexml_load_string
            [1037] => simplexml_import_dom
            [1038] => token_get_all
            [1039] => token_name
            [1040] => xml_parser_create
            [1041] => xml_parser_create_ns
            [1042] => xml_set_object
            [1043] => xml_set_element_handler
            [1044] => xml_set_character_data_handler
            [1045] => xml_set_processing_instruction_handler
            [1046] => xml_set_default_handler
            [1047] => xml_set_unparsed_entity_decl_handler
            [1048] => xml_set_notation_decl_handler
            [1049] => xml_set_external_entity_ref_handler
            [1050] => xml_set_start_namespace_decl_handler
            [1051] => xml_set_end_namespace_decl_handler
            [1052] => xml_parse
            [1053] => xml_parse_into_struct
            [1054] => xml_get_error_code
            [1055] => xml_error_string
            [1056] => xml_get_current_line_number
            [1057] => xml_get_current_column_number
            [1058] => xml_get_current_byte_index
            [1059] => xml_parser_free
            [1060] => xml_parser_set_option
            [1061] => xml_parser_get_option
            [1062] => xmlwriter_open_uri
            [1063] => xmlwriter_open_memory
            [1064] => xmlwriter_set_indent
            [1065] => xmlwriter_set_indent_string
            [1066] => xmlwriter_start_comment
            [1067] => xmlwriter_end_comment
            [1068] => xmlwriter_start_attribute
            [1069] => xmlwriter_end_attribute
            [1070] => xmlwriter_write_attribute
            [1071] => xmlwriter_start_attribute_ns
            [1072] => xmlwriter_write_attribute_ns
            [1073] => xmlwriter_start_element
            [1074] => xmlwriter_end_element
            [1075] => xmlwriter_full_end_element
            [1076] => xmlwriter_start_element_ns
            [1077] => xmlwriter_write_element
            [1078] => xmlwriter_write_element_ns
            [1079] => xmlwriter_start_pi
            [1080] => xmlwriter_end_pi
            [1081] => xmlwriter_write_pi
            [1082] => xmlwriter_start_cdata
            [1083] => xmlwriter_end_cdata
            [1084] => xmlwriter_write_cdata
            [1085] => xmlwriter_text
            [1086] => xmlwriter_write_raw
            [1087] => xmlwriter_start_document
            [1088] => xmlwriter_end_document
            [1089] => xmlwriter_write_comment
            [1090] => xmlwriter_start_dtd
            [1091] => xmlwriter_end_dtd
            [1092] => xmlwriter_write_dtd
            [1093] => xmlwriter_start_dtd_element
            [1094] => xmlwriter_end_dtd_element
            [1095] => xmlwriter_write_dtd_element
            [1096] => xmlwriter_start_dtd_attlist
            [1097] => xmlwriter_end_dtd_attlist
            [1098] => xmlwriter_write_dtd_attlist
            [1099] => xmlwriter_start_dtd_entity
            [1100] => xmlwriter_end_dtd_entity
            [1101] => xmlwriter_write_dtd_entity
            [1102] => xmlwriter_output_memory
            [1103] => xmlwriter_flush
            [1104] => fastcgi_finish_request
            [1105] => apache_request_headers
            [1106] => getallheaders
            [1107] => fpm_get_status
            [1108] => bzopen
            [1109] => bzread
            [1110] => bzwrite
            [1111] => bzflush
            [1112] => bzclose
            [1113] => bzerrno
            [1114] => bzerrstr
            [1115] => bzerror
            [1116] => bzcompress
            [1117] => bzdecompress
            [1118] => exif_tagname
            [1119] => exif_read_data
            [1120] => exif_thumbnail
            [1121] => exif_imagetype
            [1122] => gd_info
            [1123] => imageloadfont
            [1124] => imagesetstyle
            [1125] => imagecreatetruecolor
            [1126] => imageistruecolor
            [1127] => imagetruecolortopalette
            [1128] => imagepalettetotruecolor
            [1129] => imagecolormatch
            [1130] => imagesetthickness
            [1131] => imagefilledellipse
            [1132] => imagefilledarc
            [1133] => imagealphablending
            [1134] => imagesavealpha
            [1135] => imagelayereffect
            [1136] => imagecolorallocatealpha
            [1137] => imagecolorresolvealpha
            [1138] => imagecolorclosestalpha
            [1139] => imagecolorexactalpha
            [1140] => imagecopyresampled
            [1141] => imagerotate
            [1142] => imagesettile
            [1143] => imagesetbrush
            [1144] => imagecreate
            [1145] => imagetypes
            [1146] => imagecreatefromstring
            [1147] => imagecreatefromavif
            [1148] => imagecreatefromgif
            [1149] => imagecreatefromjpeg
            [1150] => imagecreatefrompng
            [1151] => imagecreatefromwebp
            [1152] => imagecreatefromxbm
            [1153] => imagecreatefromxpm
            [1154] => imagecreatefromwbmp
            [1155] => imagecreatefromgd
            [1156] => imagecreatefromgd2
            [1157] => imagecreatefromgd2part
            [1158] => imagecreatefrombmp
            [1159] => imagecreatefromtga
            [1160] => imagexbm
            [1161] => imageavif
            [1162] => imagegif
            [1163] => imagepng
            [1164] => imagewebp
            [1165] => imagejpeg
            [1166] => imagewbmp
            [1167] => imagegd
            [1168] => imagegd2
            [1169] => imagebmp
            [1170] => imagedestroy
            [1171] => imagecolorallocate
            [1172] => imagepalettecopy
            [1173] => imagecolorat
            [1174] => imagecolorclosest
            [1175] => imagecolorclosesthwb
            [1176] => imagecolordeallocate
            [1177] => imagecolorresolve
            [1178] => imagecolorexact
            [1179] => imagecolorset
            [1180] => imagecolorsforindex
            [1181] => imagegammacorrect
            [1182] => imagesetpixel
            [1183] => imageline
            [1184] => imagedashedline
            [1185] => imagerectangle
            [1186] => imagefilledrectangle
            [1187] => imagearc
            [1188] => imageellipse
            [1189] => imagefilltoborder
            [1190] => imagefill
            [1191] => imagecolorstotal
            [1192] => imagecolortransparent
            [1193] => imageinterlace
            [1194] => imagepolygon
            [1195] => imageopenpolygon
            [1196] => imagefilledpolygon
            [1197] => imagefontwidth
            [1198] => imagefontheight
            [1199] => imagechar
            [1200] => imagecharup
            [1201] => imagestring
            [1202] => imagestringup
            [1203] => imagecopy
            [1204] => imagecopymerge
            [1205] => imagecopymergegray
            [1206] => imagecopyresized
            [1207] => imagesx
            [1208] => imagesy
            [1209] => imagesetclip
            [1210] => imagegetclip
            [1211] => imageftbbox
            [1212] => imagefttext
            [1213] => imagettfbbox
            [1214] => imagettftext
            [1215] => imagefilter
            [1216] => imageconvolution
            [1217] => imageflip
            [1218] => imageantialias
            [1219] => imagecrop
            [1220] => imagecropauto
            [1221] => imagescale
            [1222] => imageaffine
            [1223] => imageaffinematrixget
            [1224] => imageaffinematrixconcat
            [1225] => imagegetinterpolation
            [1226] => imagesetinterpolation
            [1227] => imageresolution
            [1228] => imap_open
            [1229] => imap_reopen
            [1230] => imap_close
            [1231] => imap_is_open
            [1232] => imap_num_msg
            [1233] => imap_num_recent
            [1234] => imap_headers
            [1235] => imap_headerinfo
            [1236] => imap_rfc822_parse_headers
            [1237] => imap_rfc822_write_address
            [1238] => imap_rfc822_parse_adrlist
            [1239] => imap_body
            [1240] => imap_fetchtext
            [1241] => imap_bodystruct
            [1242] => imap_fetchbody
            [1243] => imap_fetchmime
            [1244] => imap_savebody
            [1245] => imap_fetchheader
            [1246] => imap_fetchstructure
            [1247] => imap_gc
            [1248] => imap_expunge
            [1249] => imap_delete
            [1250] => imap_undelete
            [1251] => imap_check
            [1252] => imap_listscan
            [1253] => imap_scan
            [1254] => imap_scanmailbox
            [1255] => imap_mail_copy
            [1256] => imap_mail_move
            [1257] => imap_mail_compose
            [1258] => imap_createmailbox
            [1259] => imap_create
            [1260] => imap_renamemailbox
            [1261] => imap_rename
            [1262] => imap_deletemailbox
            [1263] => imap_subscribe
            [1264] => imap_unsubscribe
            [1265] => imap_append
            [1266] => imap_ping
            [1267] => imap_base64
            [1268] => imap_qprint
            [1269] => imap_8bit
            [1270] => imap_binary
            [1271] => imap_utf8
            [1272] => imap_status
            [1273] => imap_mailboxmsginfo
            [1274] => imap_setflag_full
            [1275] => imap_clearflag_full
            [1276] => imap_sort
            [1277] => imap_uid
            [1278] => imap_msgno
            [1279] => imap_list
            [1280] => imap_listmailbox
            [1281] => imap_lsub
            [1282] => imap_listsubscribed
            [1283] => imap_getsubscribed
            [1284] => imap_getmailboxes
            [1285] => imap_fetch_overview
            [1286] => imap_alerts
            [1287] => imap_errors
            [1288] => imap_last_error
            [1289] => imap_search
            [1290] => imap_utf7_decode
            [1291] => imap_utf7_encode
            [1292] => imap_utf8_to_mutf7
            [1293] => imap_mutf7_to_utf8
            [1294] => imap_mime_header_decode
            [1295] => imap_thread
            [1296] => imap_timeout
            [1297] => imap_get_quota
            [1298] => imap_get_quotaroot
            [1299] => imap_set_quota
            [1300] => imap_setacl
            [1301] => imap_getacl
            [1302] => imap_mail
            [1303] => mysqli_affected_rows
            [1304] => mysqli_autocommit
            [1305] => mysqli_begin_transaction
            [1306] => mysqli_change_user
            [1307] => mysqli_character_set_name
            [1308] => mysqli_close
            [1309] => mysqli_commit
            [1310] => mysqli_connect
            [1311] => mysqli_connect_errno
            [1312] => mysqli_connect_error
            [1313] => mysqli_data_seek
            [1314] => mysqli_dump_debug_info
            [1315] => mysqli_debug
            [1316] => mysqli_errno
            [1317] => mysqli_error
            [1318] => mysqli_error_list
            [1319] => mysqli_stmt_execute
            [1320] => mysqli_execute
            [1321] => mysqli_execute_query
            [1322] => mysqli_fetch_field
            [1323] => mysqli_fetch_fields
            [1324] => mysqli_fetch_field_direct
            [1325] => mysqli_fetch_lengths
            [1326] => mysqli_fetch_all
            [1327] => mysqli_fetch_array
            [1328] => mysqli_fetch_assoc
            [1329] => mysqli_fetch_object
            [1330] => mysqli_fetch_row
            [1331] => mysqli_fetch_column
            [1332] => mysqli_field_count
            [1333] => mysqli_field_seek
            [1334] => mysqli_field_tell
            [1335] => mysqli_free_result
            [1336] => mysqli_get_connection_stats
            [1337] => mysqli_get_client_stats
            [1338] => mysqli_get_charset
            [1339] => mysqli_get_client_info
            [1340] => mysqli_get_client_version
            [1341] => mysqli_get_links_stats
            [1342] => mysqli_get_host_info
            [1343] => mysqli_get_proto_info
            [1344] => mysqli_get_server_info
            [1345] => mysqli_get_server_version
            [1346] => mysqli_get_warnings
            [1347] => mysqli_init
            [1348] => mysqli_info
            [1349] => mysqli_insert_id
            [1350] => mysqli_kill
            [1351] => mysqli_more_results
            [1352] => mysqli_multi_query
            [1353] => mysqli_next_result
            [1354] => mysqli_num_fields
            [1355] => mysqli_num_rows
            [1356] => mysqli_options
            [1357] => mysqli_set_opt
            [1358] => mysqli_ping
            [1359] => mysqli_poll
            [1360] => mysqli_prepare
            [1361] => mysqli_report
            [1362] => mysqli_query
            [1363] => mysqli_real_connect
            [1364] => mysqli_real_escape_string
            [1365] => mysqli_escape_string
            [1366] => mysqli_real_query
            [1367] => mysqli_reap_async_query
            [1368] => mysqli_release_savepoint
            [1369] => mysqli_rollback
            [1370] => mysqli_savepoint
            [1371] => mysqli_select_db
            [1372] => mysqli_set_charset
            [1373] => mysqli_stmt_affected_rows
            [1374] => mysqli_stmt_attr_get
            [1375] => mysqli_stmt_attr_set
            [1376] => mysqli_stmt_bind_param
            [1377] => mysqli_stmt_bind_result
            [1378] => mysqli_stmt_close
            [1379] => mysqli_stmt_data_seek
            [1380] => mysqli_stmt_errno
            [1381] => mysqli_stmt_error
            [1382] => mysqli_stmt_error_list
            [1383] => mysqli_stmt_fetch
            [1384] => mysqli_stmt_field_count
            [1385] => mysqli_stmt_free_result
            [1386] => mysqli_stmt_get_result
            [1387] => mysqli_stmt_get_warnings
            [1388] => mysqli_stmt_init
            [1389] => mysqli_stmt_insert_id
            [1390] => mysqli_stmt_more_results
            [1391] => mysqli_stmt_next_result
            [1392] => mysqli_stmt_num_rows
            [1393] => mysqli_stmt_param_count
            [1394] => mysqli_stmt_prepare
            [1395] => mysqli_stmt_reset
            [1396] => mysqli_stmt_result_metadata
            [1397] => mysqli_stmt_send_long_data
            [1398] => mysqli_stmt_store_result
            [1399] => mysqli_stmt_sqlstate
            [1400] => mysqli_sqlstate
            [1401] => mysqli_ssl_set
            [1402] => mysqli_stat
            [1403] => mysqli_store_result
            [1404] => mysqli_thread_id
            [1405] => mysqli_thread_safe
            [1406] => mysqli_use_result
            [1407] => mysqli_warning_count
            [1408] => mysqli_refresh
        )

    [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
        )

)