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] => each
            [10] => error_reporting
            [11] => define
            [12] => defined
            [13] => get_class
            [14] => get_called_class
            [15] => get_parent_class
            [16] => method_exists
            [17] => property_exists
            [18] => class_exists
            [19] => interface_exists
            [20] => trait_exists
            [21] => function_exists
            [22] => class_alias
            [23] => get_included_files
            [24] => get_required_files
            [25] => is_subclass_of
            [26] => is_a
            [27] => get_class_vars
            [28] => get_object_vars
            [29] => get_class_methods
            [30] => trigger_error
            [31] => user_error
            [32] => set_error_handler
            [33] => restore_error_handler
            [34] => set_exception_handler
            [35] => restore_exception_handler
            [36] => get_declared_classes
            [37] => get_declared_traits
            [38] => get_declared_interfaces
            [39] => get_defined_functions
            [40] => get_defined_vars
            [41] => create_function
            [42] => get_resource_type
            [43] => get_resources
            [44] => get_loaded_extensions
            [45] => extension_loaded
            [46] => get_extension_funcs
            [47] => get_defined_constants
            [48] => debug_backtrace
            [49] => debug_print_backtrace
            [50] => gc_mem_caches
            [51] => gc_collect_cycles
            [52] => gc_enabled
            [53] => gc_enable
            [54] => gc_disable
            [55] => strtotime
            [56] => date
            [57] => idate
            [58] => gmdate
            [59] => mktime
            [60] => gmmktime
            [61] => checkdate
            [62] => strftime
            [63] => gmstrftime
            [64] => time
            [65] => localtime
            [66] => getdate
            [67] => date_create
            [68] => date_create_immutable
            [69] => date_create_from_format
            [70] => date_create_immutable_from_format
            [71] => date_parse
            [72] => date_parse_from_format
            [73] => date_get_last_errors
            [74] => date_format
            [75] => date_modify
            [76] => date_add
            [77] => date_sub
            [78] => date_timezone_get
            [79] => date_timezone_set
            [80] => date_offset_get
            [81] => date_diff
            [82] => date_time_set
            [83] => date_date_set
            [84] => date_isodate_set
            [85] => date_timestamp_set
            [86] => date_timestamp_get
            [87] => timezone_open
            [88] => timezone_name_get
            [89] => timezone_name_from_abbr
            [90] => timezone_offset_get
            [91] => timezone_transitions_get
            [92] => timezone_location_get
            [93] => timezone_identifiers_list
            [94] => timezone_abbreviations_list
            [95] => timezone_version_get
            [96] => date_interval_create_from_date_string
            [97] => date_interval_format
            [98] => date_default_timezone_set
            [99] => date_default_timezone_get
            [100] => date_sunrise
            [101] => date_sunset
            [102] => date_sun_info
            [103] => libxml_set_streams_context
            [104] => libxml_use_internal_errors
            [105] => libxml_get_last_error
            [106] => libxml_clear_errors
            [107] => libxml_get_errors
            [108] => libxml_disable_entity_loader
            [109] => libxml_set_external_entity_loader
            [110] => openssl_get_cert_locations
            [111] => openssl_spki_new
            [112] => openssl_spki_verify
            [113] => openssl_spki_export
            [114] => openssl_spki_export_challenge
            [115] => openssl_pkey_free
            [116] => openssl_pkey_new
            [117] => openssl_pkey_export
            [118] => openssl_pkey_export_to_file
            [119] => openssl_pkey_get_private
            [120] => openssl_pkey_get_public
            [121] => openssl_pkey_get_details
            [122] => openssl_free_key
            [123] => openssl_get_privatekey
            [124] => openssl_get_publickey
            [125] => openssl_x509_read
            [126] => openssl_x509_free
            [127] => openssl_x509_parse
            [128] => openssl_x509_checkpurpose
            [129] => openssl_x509_check_private_key
            [130] => openssl_x509_export
            [131] => openssl_x509_fingerprint
            [132] => openssl_x509_export_to_file
            [133] => openssl_pkcs12_export
            [134] => openssl_pkcs12_export_to_file
            [135] => openssl_pkcs12_read
            [136] => openssl_csr_new
            [137] => openssl_csr_export
            [138] => openssl_csr_export_to_file
            [139] => openssl_csr_sign
            [140] => openssl_csr_get_subject
            [141] => openssl_csr_get_public_key
            [142] => openssl_digest
            [143] => openssl_encrypt
            [144] => openssl_decrypt
            [145] => openssl_cipher_iv_length
            [146] => openssl_sign
            [147] => openssl_verify
            [148] => openssl_seal
            [149] => openssl_open
            [150] => openssl_pbkdf2
            [151] => openssl_pkcs7_verify
            [152] => openssl_pkcs7_decrypt
            [153] => openssl_pkcs7_sign
            [154] => openssl_pkcs7_encrypt
            [155] => openssl_private_encrypt
            [156] => openssl_private_decrypt
            [157] => openssl_public_encrypt
            [158] => openssl_public_decrypt
            [159] => openssl_get_md_methods
            [160] => openssl_get_cipher_methods
            [161] => openssl_get_curve_names
            [162] => openssl_dh_compute_key
            [163] => openssl_random_pseudo_bytes
            [164] => openssl_error_string
            [165] => preg_match
            [166] => preg_match_all
            [167] => preg_replace
            [168] => preg_replace_callback
            [169] => preg_replace_callback_array
            [170] => preg_filter
            [171] => preg_split
            [172] => preg_quote
            [173] => preg_grep
            [174] => preg_last_error
            [175] => readgzfile
            [176] => gzrewind
            [177] => gzclose
            [178] => gzeof
            [179] => gzgetc
            [180] => gzgets
            [181] => gzgetss
            [182] => gzread
            [183] => gzopen
            [184] => gzpassthru
            [185] => gzseek
            [186] => gztell
            [187] => gzwrite
            [188] => gzputs
            [189] => gzfile
            [190] => gzcompress
            [191] => gzuncompress
            [192] => gzdeflate
            [193] => gzinflate
            [194] => gzencode
            [195] => gzdecode
            [196] => zlib_encode
            [197] => zlib_decode
            [198] => zlib_get_coding_type
            [199] => deflate_init
            [200] => deflate_add
            [201] => inflate_init
            [202] => inflate_add
            [203] => ob_gzhandler
            [204] => filter_input
            [205] => filter_var
            [206] => filter_input_array
            [207] => filter_var_array
            [208] => filter_list
            [209] => filter_has_var
            [210] => filter_id
            [211] => hash
            [212] => hash_file
            [213] => hash_hmac
            [214] => hash_hmac_file
            [215] => hash_init
            [216] => hash_update
            [217] => hash_update_stream
            [218] => hash_update_file
            [219] => hash_final
            [220] => hash_copy
            [221] => hash_algos
            [222] => hash_pbkdf2
            [223] => hash_equals
            [224] => hash_hkdf
            [225] => mhash_keygen_s2k
            [226] => mhash_get_block_size
            [227] => mhash_get_hash_name
            [228] => mhash_count
            [229] => mhash
            [230] => session_name
            [231] => session_module_name
            [232] => session_save_path
            [233] => session_id
            [234] => session_create_id
            [235] => session_regenerate_id
            [236] => session_decode
            [237] => session_encode
            [238] => session_start
            [239] => session_destroy
            [240] => session_unset
            [241] => session_gc
            [242] => session_set_save_handler
            [243] => session_cache_limiter
            [244] => session_cache_expire
            [245] => session_set_cookie_params
            [246] => session_get_cookie_params
            [247] => session_write_close
            [248] => session_abort
            [249] => session_reset
            [250] => session_status
            [251] => session_register_shutdown
            [252] => session_commit
            [253] => spl_classes
            [254] => spl_autoload
            [255] => spl_autoload_extensions
            [256] => spl_autoload_register
            [257] => spl_autoload_unregister
            [258] => spl_autoload_functions
            [259] => spl_autoload_call
            [260] => class_parents
            [261] => class_implements
            [262] => class_uses
            [263] => spl_object_hash
            [264] => iterator_to_array
            [265] => iterator_count
            [266] => iterator_apply
            [267] => constant
            [268] => bin2hex
            [269] => hex2bin
            [270] => sleep
            [271] => usleep
            [272] => time_nanosleep
            [273] => time_sleep_until
            [274] => strptime
            [275] => flush
            [276] => wordwrap
            [277] => htmlspecialchars
            [278] => htmlentities
            [279] => html_entity_decode
            [280] => htmlspecialchars_decode
            [281] => get_html_translation_table
            [282] => sha1
            [283] => sha1_file
            [284] => md5
            [285] => md5_file
            [286] => crc32
            [287] => iptcparse
            [288] => iptcembed
            [289] => getimagesize
            [290] => getimagesizefromstring
            [291] => image_type_to_mime_type
            [292] => image_type_to_extension
            [293] => phpinfo
            [294] => phpversion
            [295] => phpcredits
            [296] => php_sapi_name
            [297] => php_uname
            [298] => php_ini_scanned_files
            [299] => php_ini_loaded_file
            [300] => strnatcmp
            [301] => strnatcasecmp
            [302] => substr_count
            [303] => strspn
            [304] => strcspn
            [305] => strtok
            [306] => strtoupper
            [307] => strtolower
            [308] => strpos
            [309] => stripos
            [310] => strrpos
            [311] => strripos
            [312] => strrev
            [313] => hebrev
            [314] => hebrevc
            [315] => nl2br
            [316] => basename
            [317] => dirname
            [318] => pathinfo
            [319] => stripslashes
            [320] => stripcslashes
            [321] => strstr
            [322] => stristr
            [323] => strrchr
            [324] => str_shuffle
            [325] => str_word_count
            [326] => str_split
            [327] => strpbrk
            [328] => substr_compare
            [329] => strcoll
            [330] => money_format
            [331] => substr
            [332] => substr_replace
            [333] => quotemeta
            [334] => ucfirst
            [335] => lcfirst
            [336] => ucwords
            [337] => strtr
            [338] => addslashes
            [339] => addcslashes
            [340] => rtrim
            [341] => str_replace
            [342] => str_ireplace
            [343] => str_repeat
            [344] => count_chars
            [345] => chunk_split
            [346] => trim
            [347] => ltrim
            [348] => strip_tags
            [349] => similar_text
            [350] => explode
            [351] => implode
            [352] => join
            [353] => setlocale
            [354] => localeconv
            [355] => nl_langinfo
            [356] => soundex
            [357] => levenshtein
            [358] => chr
            [359] => ord
            [360] => parse_str
            [361] => str_getcsv
            [362] => str_pad
            [363] => chop
            [364] => strchr
            [365] => sprintf
            [366] => printf
            [367] => vprintf
            [368] => vsprintf
            [369] => fprintf
            [370] => vfprintf
            [371] => sscanf
            [372] => fscanf
            [373] => parse_url
            [374] => urlencode
            [375] => urldecode
            [376] => rawurlencode
            [377] => rawurldecode
            [378] => http_build_query
            [379] => readlink
            [380] => linkinfo
            [381] => symlink
            [382] => link
            [383] => unlink
            [384] => exec
            [385] => system
            [386] => escapeshellcmd
            [387] => escapeshellarg
            [388] => passthru
            [389] => shell_exec
            [390] => proc_open
            [391] => proc_close
            [392] => proc_terminate
            [393] => proc_get_status
            [394] => proc_nice
            [395] => rand
            [396] => srand
            [397] => getrandmax
            [398] => mt_rand
            [399] => mt_srand
            [400] => mt_getrandmax
            [401] => random_bytes
            [402] => random_int
            [403] => getservbyname
            [404] => getservbyport
            [405] => getprotobyname
            [406] => getprotobynumber
            [407] => getmyuid
            [408] => getmygid
            [409] => getmypid
            [410] => getmyinode
            [411] => getlastmod
            [412] => base64_decode
            [413] => base64_encode
            [414] => password_hash
            [415] => password_get_info
            [416] => password_needs_rehash
            [417] => password_verify
            [418] => convert_uuencode
            [419] => convert_uudecode
            [420] => abs
            [421] => ceil
            [422] => floor
            [423] => round
            [424] => sin
            [425] => cos
            [426] => tan
            [427] => asin
            [428] => acos
            [429] => atan
            [430] => atanh
            [431] => atan2
            [432] => sinh
            [433] => cosh
            [434] => tanh
            [435] => asinh
            [436] => acosh
            [437] => expm1
            [438] => log1p
            [439] => pi
            [440] => is_finite
            [441] => is_nan
            [442] => is_infinite
            [443] => pow
            [444] => exp
            [445] => log
            [446] => log10
            [447] => sqrt
            [448] => hypot
            [449] => deg2rad
            [450] => rad2deg
            [451] => bindec
            [452] => hexdec
            [453] => octdec
            [454] => decbin
            [455] => decoct
            [456] => dechex
            [457] => base_convert
            [458] => number_format
            [459] => fmod
            [460] => intdiv
            [461] => inet_ntop
            [462] => inet_pton
            [463] => ip2long
            [464] => long2ip
            [465] => getenv
            [466] => putenv
            [467] => getopt
            [468] => sys_getloadavg
            [469] => microtime
            [470] => gettimeofday
            [471] => getrusage
            [472] => uniqid
            [473] => quoted_printable_decode
            [474] => quoted_printable_encode
            [475] => convert_cyr_string
            [476] => get_current_user
            [477] => set_time_limit
            [478] => header_register_callback
            [479] => get_cfg_var
            [480] => get_magic_quotes_gpc
            [481] => get_magic_quotes_runtime
            [482] => error_log
            [483] => error_get_last
            [484] => error_clear_last
            [485] => call_user_func
            [486] => call_user_func_array
            [487] => forward_static_call
            [488] => forward_static_call_array
            [489] => serialize
            [490] => unserialize
            [491] => var_dump
            [492] => var_export
            [493] => debug_zval_dump
            [494] => print_r
            [495] => memory_get_usage
            [496] => memory_get_peak_usage
            [497] => register_shutdown_function
            [498] => register_tick_function
            [499] => unregister_tick_function
            [500] => highlight_file
            [501] => show_source
            [502] => highlight_string
            [503] => php_strip_whitespace
            [504] => ini_get
            [505] => ini_get_all
            [506] => ini_set
            [507] => ini_alter
            [508] => ini_restore
            [509] => get_include_path
            [510] => set_include_path
            [511] => restore_include_path
            [512] => setcookie
            [513] => setrawcookie
            [514] => header
            [515] => header_remove
            [516] => headers_sent
            [517] => headers_list
            [518] => http_response_code
            [519] => connection_aborted
            [520] => connection_status
            [521] => ignore_user_abort
            [522] => parse_ini_file
            [523] => parse_ini_string
            [524] => is_uploaded_file
            [525] => move_uploaded_file
            [526] => gethostbyaddr
            [527] => gethostbyname
            [528] => gethostbynamel
            [529] => gethostname
            [530] => dns_check_record
            [531] => checkdnsrr
            [532] => dns_get_mx
            [533] => getmxrr
            [534] => dns_get_record
            [535] => intval
            [536] => floatval
            [537] => doubleval
            [538] => strval
            [539] => boolval
            [540] => gettype
            [541] => settype
            [542] => is_null
            [543] => is_resource
            [544] => is_bool
            [545] => is_int
            [546] => is_float
            [547] => is_integer
            [548] => is_long
            [549] => is_double
            [550] => is_real
            [551] => is_numeric
            [552] => is_string
            [553] => is_array
            [554] => is_object
            [555] => is_scalar
            [556] => is_callable
            [557] => is_iterable
            [558] => pclose
            [559] => popen
            [560] => readfile
            [561] => rewind
            [562] => rmdir
            [563] => umask
            [564] => fclose
            [565] => feof
            [566] => fgetc
            [567] => fgets
            [568] => fgetss
            [569] => fread
            [570] => fopen
            [571] => fpassthru
            [572] => ftruncate
            [573] => fstat
            [574] => fseek
            [575] => ftell
            [576] => fflush
            [577] => fwrite
            [578] => fputs
            [579] => mkdir
            [580] => rename
            [581] => copy
            [582] => tempnam
            [583] => tmpfile
            [584] => file
            [585] => file_get_contents
            [586] => file_put_contents
            [587] => stream_select
            [588] => stream_context_create
            [589] => stream_context_set_params
            [590] => stream_context_get_params
            [591] => stream_context_set_option
            [592] => stream_context_get_options
            [593] => stream_context_get_default
            [594] => stream_context_set_default
            [595] => stream_filter_prepend
            [596] => stream_filter_append
            [597] => stream_filter_remove
            [598] => stream_socket_client
            [599] => stream_socket_server
            [600] => stream_socket_accept
            [601] => stream_socket_get_name
            [602] => stream_socket_recvfrom
            [603] => stream_socket_sendto
            [604] => stream_socket_enable_crypto
            [605] => stream_socket_shutdown
            [606] => stream_socket_pair
            [607] => stream_copy_to_stream
            [608] => stream_get_contents
            [609] => stream_supports_lock
            [610] => fgetcsv
            [611] => fputcsv
            [612] => flock
            [613] => get_meta_tags
            [614] => stream_set_read_buffer
            [615] => stream_set_write_buffer
            [616] => set_file_buffer
            [617] => stream_set_chunk_size
            [618] => stream_set_blocking
            [619] => socket_set_blocking
            [620] => stream_get_meta_data
            [621] => stream_get_line
            [622] => stream_wrapper_register
            [623] => stream_register_wrapper
            [624] => stream_wrapper_unregister
            [625] => stream_wrapper_restore
            [626] => stream_get_wrappers
            [627] => stream_get_transports
            [628] => stream_resolve_include_path
            [629] => stream_is_local
            [630] => get_headers
            [631] => stream_set_timeout
            [632] => socket_set_timeout
            [633] => socket_get_status
            [634] => realpath
            [635] => fnmatch
            [636] => fsockopen
            [637] => pfsockopen
            [638] => pack
            [639] => unpack
            [640] => get_browser
            [641] => crypt
            [642] => opendir
            [643] => closedir
            [644] => chdir
            [645] => getcwd
            [646] => rewinddir
            [647] => readdir
            [648] => dir
            [649] => scandir
            [650] => glob
            [651] => fileatime
            [652] => filectime
            [653] => filegroup
            [654] => fileinode
            [655] => filemtime
            [656] => fileowner
            [657] => fileperms
            [658] => filesize
            [659] => filetype
            [660] => file_exists
            [661] => is_writable
            [662] => is_writeable
            [663] => is_readable
            [664] => is_executable
            [665] => is_file
            [666] => is_dir
            [667] => is_link
            [668] => stat
            [669] => lstat
            [670] => chown
            [671] => chgrp
            [672] => lchown
            [673] => lchgrp
            [674] => chmod
            [675] => touch
            [676] => clearstatcache
            [677] => disk_total_space
            [678] => disk_free_space
            [679] => diskfreespace
            [680] => realpath_cache_size
            [681] => realpath_cache_get
            [682] => mail
            [683] => ezmlm_hash
            [684] => openlog
            [685] => syslog
            [686] => closelog
            [687] => lcg_value
            [688] => metaphone
            [689] => ob_start
            [690] => ob_flush
            [691] => ob_clean
            [692] => ob_end_flush
            [693] => ob_end_clean
            [694] => ob_get_flush
            [695] => ob_get_clean
            [696] => ob_get_length
            [697] => ob_get_level
            [698] => ob_get_status
            [699] => ob_get_contents
            [700] => ob_implicit_flush
            [701] => ob_list_handlers
            [702] => ksort
            [703] => krsort
            [704] => natsort
            [705] => natcasesort
            [706] => asort
            [707] => arsort
            [708] => sort
            [709] => rsort
            [710] => usort
            [711] => uasort
            [712] => uksort
            [713] => shuffle
            [714] => array_walk
            [715] => array_walk_recursive
            [716] => count
            [717] => end
            [718] => prev
            [719] => next
            [720] => reset
            [721] => current
            [722] => key
            [723] => min
            [724] => max
            [725] => in_array
            [726] => array_search
            [727] => extract
            [728] => compact
            [729] => array_fill
            [730] => array_fill_keys
            [731] => range
            [732] => array_multisort
            [733] => array_push
            [734] => array_pop
            [735] => array_shift
            [736] => array_unshift
            [737] => array_splice
            [738] => array_slice
            [739] => array_merge
            [740] => array_merge_recursive
            [741] => array_replace
            [742] => array_replace_recursive
            [743] => array_keys
            [744] => array_values
            [745] => array_count_values
            [746] => array_column
            [747] => array_reverse
            [748] => array_reduce
            [749] => array_pad
            [750] => array_flip
            [751] => array_change_key_case
            [752] => array_rand
            [753] => array_unique
            [754] => array_intersect
            [755] => array_intersect_key
            [756] => array_intersect_ukey
            [757] => array_uintersect
            [758] => array_intersect_assoc
            [759] => array_uintersect_assoc
            [760] => array_intersect_uassoc
            [761] => array_uintersect_uassoc
            [762] => array_diff
            [763] => array_diff_key
            [764] => array_diff_ukey
            [765] => array_udiff
            [766] => array_diff_assoc
            [767] => array_udiff_assoc
            [768] => array_diff_uassoc
            [769] => array_udiff_uassoc
            [770] => array_sum
            [771] => array_product
            [772] => array_filter
            [773] => array_map
            [774] => array_chunk
            [775] => array_combine
            [776] => array_key_exists
            [777] => pos
            [778] => sizeof
            [779] => key_exists
            [780] => assert
            [781] => assert_options
            [782] => version_compare
            [783] => ftok
            [784] => str_rot13
            [785] => stream_get_filters
            [786] => stream_filter_register
            [787] => stream_bucket_make_writeable
            [788] => stream_bucket_prepend
            [789] => stream_bucket_append
            [790] => stream_bucket_new
            [791] => output_add_rewrite_var
            [792] => output_reset_rewrite_vars
            [793] => sys_get_temp_dir
            [794] => fastcgi_finish_request
            [795] => pdo_drivers
            [796] => jdtogregorian
            [797] => gregoriantojd
            [798] => jdtojulian
            [799] => juliantojd
            [800] => jdtojewish
            [801] => jewishtojd
            [802] => jdtofrench
            [803] => frenchtojd
            [804] => jddayofweek
            [805] => jdmonthname
            [806] => easter_date
            [807] => easter_days
            [808] => unixtojd
            [809] => jdtounix
            [810] => cal_to_jd
            [811] => cal_from_jd
            [812] => cal_days_in_month
            [813] => cal_info
            [814] => ctype_alnum
            [815] => ctype_alpha
            [816] => ctype_cntrl
            [817] => ctype_digit
            [818] => ctype_lower
            [819] => ctype_graph
            [820] => ctype_print
            [821] => ctype_punct
            [822] => ctype_space
            [823] => ctype_upper
            [824] => ctype_xdigit
            [825] => exif_read_data
            [826] => read_exif_data
            [827] => exif_tagname
            [828] => exif_thumbnail
            [829] => exif_imagetype
            [830] => finfo_open
            [831] => finfo_close
            [832] => finfo_set_flags
            [833] => finfo_file
            [834] => finfo_buffer
            [835] => mime_content_type
            [836] => ftp_connect
            [837] => ftp_ssl_connect
            [838] => ftp_login
            [839] => ftp_pwd
            [840] => ftp_cdup
            [841] => ftp_chdir
            [842] => ftp_exec
            [843] => ftp_raw
            [844] => ftp_mkdir
            [845] => ftp_rmdir
            [846] => ftp_chmod
            [847] => ftp_alloc
            [848] => ftp_nlist
            [849] => ftp_rawlist
            [850] => ftp_systype
            [851] => ftp_pasv
            [852] => ftp_get
            [853] => ftp_fget
            [854] => ftp_put
            [855] => ftp_fput
            [856] => ftp_size
            [857] => ftp_mdtm
            [858] => ftp_rename
            [859] => ftp_delete
            [860] => ftp_site
            [861] => ftp_close
            [862] => ftp_set_option
            [863] => ftp_get_option
            [864] => ftp_nb_fget
            [865] => ftp_nb_get
            [866] => ftp_nb_continue
            [867] => ftp_nb_put
            [868] => ftp_nb_fput
            [869] => ftp_quit
            [870] => textdomain
            [871] => gettext
            [872] => _
            [873] => dgettext
            [874] => dcgettext
            [875] => bindtextdomain
            [876] => ngettext
            [877] => dngettext
            [878] => dcngettext
            [879] => bind_textdomain_codeset
            [880] => iconv
            [881] => iconv_get_encoding
            [882] => iconv_set_encoding
            [883] => iconv_strlen
            [884] => iconv_substr
            [885] => iconv_strpos
            [886] => iconv_strrpos
            [887] => iconv_mime_encode
            [888] => iconv_mime_decode
            [889] => iconv_mime_decode_headers
            [890] => json_encode
            [891] => json_decode
            [892] => json_last_error
            [893] => json_last_error_msg
            [894] => mb_convert_case
            [895] => mb_strtoupper
            [896] => mb_strtolower
            [897] => mb_language
            [898] => mb_internal_encoding
            [899] => mb_http_input
            [900] => mb_http_output
            [901] => mb_detect_order
            [902] => mb_substitute_character
            [903] => mb_parse_str
            [904] => mb_output_handler
            [905] => mb_preferred_mime_name
            [906] => mb_strlen
            [907] => mb_strpos
            [908] => mb_strrpos
            [909] => mb_stripos
            [910] => mb_strripos
            [911] => mb_strstr
            [912] => mb_strrchr
            [913] => mb_stristr
            [914] => mb_strrichr
            [915] => mb_substr_count
            [916] => mb_substr
            [917] => mb_strcut
            [918] => mb_strwidth
            [919] => mb_strimwidth
            [920] => mb_convert_encoding
            [921] => mb_detect_encoding
            [922] => mb_list_encodings
            [923] => mb_encoding_aliases
            [924] => mb_convert_kana
            [925] => mb_encode_mimeheader
            [926] => mb_decode_mimeheader
            [927] => mb_convert_variables
            [928] => mb_encode_numericentity
            [929] => mb_decode_numericentity
            [930] => mb_send_mail
            [931] => mb_get_info
            [932] => mb_check_encoding
            [933] => mb_regex_encoding
            [934] => mb_regex_set_options
            [935] => mb_ereg
            [936] => mb_eregi
            [937] => mb_ereg_replace
            [938] => mb_eregi_replace
            [939] => mb_ereg_replace_callback
            [940] => mb_split
            [941] => mb_ereg_match
            [942] => mb_ereg_search
            [943] => mb_ereg_search_pos
            [944] => mb_ereg_search_regs
            [945] => mb_ereg_search_init
            [946] => mb_ereg_search_getregs
            [947] => mb_ereg_search_getpos
            [948] => mb_ereg_search_setpos
            [949] => mbregex_encoding
            [950] => mbereg
            [951] => mberegi
            [952] => mbereg_replace
            [953] => mberegi_replace
            [954] => mbsplit
            [955] => mbereg_match
            [956] => mbereg_search
            [957] => mbereg_search_pos
            [958] => mbereg_search_regs
            [959] => mbereg_search_init
            [960] => mbereg_search_getregs
            [961] => mbereg_search_getpos
            [962] => mbereg_search_setpos
            [963] => mysqli_affected_rows
            [964] => mysqli_autocommit
            [965] => mysqli_begin_transaction
            [966] => mysqli_change_user
            [967] => mysqli_character_set_name
            [968] => mysqli_close
            [969] => mysqli_commit
            [970] => mysqli_connect
            [971] => mysqli_connect_errno
            [972] => mysqli_connect_error
            [973] => mysqli_data_seek
            [974] => mysqli_dump_debug_info
            [975] => mysqli_debug
            [976] => mysqli_errno
            [977] => mysqli_error
            [978] => mysqli_error_list
            [979] => mysqli_stmt_execute
            [980] => mysqli_execute
            [981] => mysqli_fetch_field
            [982] => mysqli_fetch_fields
            [983] => mysqli_fetch_field_direct
            [984] => mysqli_fetch_lengths
            [985] => mysqli_fetch_all
            [986] => mysqli_fetch_array
            [987] => mysqli_fetch_assoc
            [988] => mysqli_fetch_object
            [989] => mysqli_fetch_row
            [990] => mysqli_field_count
            [991] => mysqli_field_seek
            [992] => mysqli_field_tell
            [993] => mysqli_free_result
            [994] => mysqli_get_connection_stats
            [995] => mysqli_get_client_stats
            [996] => mysqli_get_charset
            [997] => mysqli_get_client_info
            [998] => mysqli_get_client_version
            [999] => mysqli_get_links_stats
            [1000] => mysqli_get_host_info
            [1001] => mysqli_get_proto_info
            [1002] => mysqli_get_server_info
            [1003] => mysqli_get_server_version
            [1004] => mysqli_get_warnings
            [1005] => mysqli_init
            [1006] => mysqli_info
            [1007] => mysqli_insert_id
            [1008] => mysqli_kill
            [1009] => mysqli_more_results
            [1010] => mysqli_multi_query
            [1011] => mysqli_next_result
            [1012] => mysqli_num_fields
            [1013] => mysqli_num_rows
            [1014] => mysqli_options
            [1015] => mysqli_ping
            [1016] => mysqli_poll
            [1017] => mysqli_prepare
            [1018] => mysqli_report
            [1019] => mysqli_query
            [1020] => mysqli_real_connect
            [1021] => mysqli_real_escape_string
            [1022] => mysqli_real_query
            [1023] => mysqli_reap_async_query
            [1024] => mysqli_release_savepoint
            [1025] => mysqli_rollback
            [1026] => mysqli_savepoint
            [1027] => mysqli_select_db
            [1028] => mysqli_set_charset
            [1029] => mysqli_stmt_affected_rows
            [1030] => mysqli_stmt_attr_get
            [1031] => mysqli_stmt_attr_set
            [1032] => mysqli_stmt_bind_param
            [1033] => mysqli_stmt_bind_result
            [1034] => mysqli_stmt_close
            [1035] => mysqli_stmt_data_seek
            [1036] => mysqli_stmt_errno
            [1037] => mysqli_stmt_error
            [1038] => mysqli_stmt_error_list
            [1039] => mysqli_stmt_fetch
            [1040] => mysqli_stmt_field_count
            [1041] => mysqli_stmt_free_result
            [1042] => mysqli_stmt_get_result
            [1043] => mysqli_stmt_get_warnings
            [1044] => mysqli_stmt_init
            [1045] => mysqli_stmt_insert_id
            [1046] => mysqli_stmt_more_results
            [1047] => mysqli_stmt_next_result
            [1048] => mysqli_stmt_num_rows
            [1049] => mysqli_stmt_param_count
            [1050] => mysqli_stmt_prepare
            [1051] => mysqli_stmt_reset
            [1052] => mysqli_stmt_result_metadata
            [1053] => mysqli_stmt_send_long_data
            [1054] => mysqli_stmt_store_result
            [1055] => mysqli_stmt_sqlstate
            [1056] => mysqli_sqlstate
            [1057] => mysqli_ssl_set
            [1058] => mysqli_stat
            [1059] => mysqli_store_result
            [1060] => mysqli_thread_id
            [1061] => mysqli_thread_safe
            [1062] => mysqli_use_result
            [1063] => mysqli_warning_count
            [1064] => mysqli_refresh
            [1065] => mysqli_escape_string
            [1066] => mysqli_set_opt
            [1067] => posix_kill
            [1068] => posix_getpid
            [1069] => posix_getppid
            [1070] => posix_getuid
            [1071] => posix_setuid
            [1072] => posix_geteuid
            [1073] => posix_seteuid
            [1074] => posix_getgid
            [1075] => posix_setgid
            [1076] => posix_getegid
            [1077] => posix_setegid
            [1078] => posix_getgroups
            [1079] => posix_getlogin
            [1080] => posix_getpgrp
            [1081] => posix_setsid
            [1082] => posix_setpgid
            [1083] => posix_getpgid
            [1084] => posix_getsid
            [1085] => posix_uname
            [1086] => posix_times
            [1087] => posix_ctermid
            [1088] => posix_ttyname
            [1089] => posix_isatty
            [1090] => posix_getcwd
            [1091] => posix_mkfifo
            [1092] => posix_mknod
            [1093] => posix_access
            [1094] => posix_getgrnam
            [1095] => posix_getgrgid
            [1096] => posix_getpwnam
            [1097] => posix_getpwuid
            [1098] => posix_getrlimit
            [1099] => posix_setrlimit
            [1100] => posix_get_last_error
            [1101] => posix_errno
            [1102] => posix_strerror
            [1103] => posix_initgroups
            [1104] => readline
            [1105] => readline_info
            [1106] => readline_add_history
            [1107] => readline_clear_history
            [1108] => readline_read_history
            [1109] => readline_write_history
            [1110] => readline_completion_function
            [1111] => readline_callback_handler_install
            [1112] => readline_callback_read_char
            [1113] => readline_callback_handler_remove
            [1114] => readline_redisplay
            [1115] => readline_on_new_line
            [1116] => shmop_open
            [1117] => shmop_read
            [1118] => shmop_close
            [1119] => shmop_size
            [1120] => shmop_write
            [1121] => shmop_delete
            [1122] => socket_select
            [1123] => socket_create
            [1124] => socket_create_listen
            [1125] => socket_create_pair
            [1126] => socket_accept
            [1127] => socket_set_nonblock
            [1128] => socket_set_block
            [1129] => socket_listen
            [1130] => socket_close
            [1131] => socket_write
            [1132] => socket_read
            [1133] => socket_getsockname
            [1134] => socket_getpeername
            [1135] => socket_connect
            [1136] => socket_strerror
            [1137] => socket_bind
            [1138] => socket_recv
            [1139] => socket_send
            [1140] => socket_recvfrom
            [1141] => socket_sendto
            [1142] => socket_get_option
            [1143] => socket_set_option
            [1144] => socket_shutdown
            [1145] => socket_last_error
            [1146] => socket_clear_error
            [1147] => socket_import_stream
            [1148] => socket_export_stream
            [1149] => socket_sendmsg
            [1150] => socket_recvmsg
            [1151] => socket_cmsg_space
            [1152] => socket_getopt
            [1153] => socket_setopt
            [1154] => msg_get_queue
            [1155] => msg_send
            [1156] => msg_receive
            [1157] => msg_remove_queue
            [1158] => msg_stat_queue
            [1159] => msg_set_queue
            [1160] => msg_queue_exists
            [1161] => sem_get
            [1162] => sem_acquire
            [1163] => sem_release
            [1164] => sem_remove
            [1165] => shm_attach
            [1166] => shm_remove
            [1167] => shm_detach
            [1168] => shm_put_var
            [1169] => shm_has_var
            [1170] => shm_get_var
            [1171] => shm_remove_var
            [1172] => token_get_all
            [1173] => token_name
            [1174] => opcache_reset
            [1175] => opcache_invalidate
            [1176] => opcache_compile_file
            [1177] => opcache_is_script_cached
            [1178] => opcache_get_configuration
            [1179] => opcache_get_status
        )

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

)