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_dh_compute_key
            [162] => openssl_random_pseudo_bytes
            [163] => openssl_error_string
            [164] => preg_match
            [165] => preg_match_all
            [166] => preg_replace
            [167] => preg_replace_callback
            [168] => preg_replace_callback_array
            [169] => preg_filter
            [170] => preg_split
            [171] => preg_quote
            [172] => preg_grep
            [173] => preg_last_error
            [174] => readgzfile
            [175] => gzrewind
            [176] => gzclose
            [177] => gzeof
            [178] => gzgetc
            [179] => gzgets
            [180] => gzgetss
            [181] => gzread
            [182] => gzopen
            [183] => gzpassthru
            [184] => gzseek
            [185] => gztell
            [186] => gzwrite
            [187] => gzputs
            [188] => gzfile
            [189] => gzcompress
            [190] => gzuncompress
            [191] => gzdeflate
            [192] => gzinflate
            [193] => gzencode
            [194] => gzdecode
            [195] => zlib_encode
            [196] => zlib_decode
            [197] => zlib_get_coding_type
            [198] => deflate_init
            [199] => deflate_add
            [200] => inflate_init
            [201] => inflate_add
            [202] => ob_gzhandler
            [203] => filter_input
            [204] => filter_var
            [205] => filter_input_array
            [206] => filter_var_array
            [207] => filter_list
            [208] => filter_has_var
            [209] => filter_id
            [210] => hash
            [211] => hash_file
            [212] => hash_hmac
            [213] => hash_hmac_file
            [214] => hash_init
            [215] => hash_update
            [216] => hash_update_stream
            [217] => hash_update_file
            [218] => hash_final
            [219] => hash_copy
            [220] => hash_algos
            [221] => hash_pbkdf2
            [222] => hash_equals
            [223] => mhash_keygen_s2k
            [224] => mhash_get_block_size
            [225] => mhash_get_hash_name
            [226] => mhash_count
            [227] => mhash
            [228] => spl_classes
            [229] => spl_autoload
            [230] => spl_autoload_extensions
            [231] => spl_autoload_register
            [232] => spl_autoload_unregister
            [233] => spl_autoload_functions
            [234] => spl_autoload_call
            [235] => class_parents
            [236] => class_implements
            [237] => class_uses
            [238] => spl_object_hash
            [239] => iterator_to_array
            [240] => iterator_count
            [241] => iterator_apply
            [242] => session_name
            [243] => session_module_name
            [244] => session_save_path
            [245] => session_id
            [246] => session_regenerate_id
            [247] => session_decode
            [248] => session_encode
            [249] => session_start
            [250] => session_destroy
            [251] => session_unset
            [252] => session_set_save_handler
            [253] => session_cache_limiter
            [254] => session_cache_expire
            [255] => session_set_cookie_params
            [256] => session_get_cookie_params
            [257] => session_write_close
            [258] => session_abort
            [259] => session_reset
            [260] => session_status
            [261] => session_register_shutdown
            [262] => session_commit
            [263] => constant
            [264] => bin2hex
            [265] => hex2bin
            [266] => sleep
            [267] => usleep
            [268] => time_nanosleep
            [269] => time_sleep_until
            [270] => strptime
            [271] => flush
            [272] => wordwrap
            [273] => htmlspecialchars
            [274] => htmlentities
            [275] => html_entity_decode
            [276] => htmlspecialchars_decode
            [277] => get_html_translation_table
            [278] => sha1
            [279] => sha1_file
            [280] => md5
            [281] => md5_file
            [282] => crc32
            [283] => iptcparse
            [284] => iptcembed
            [285] => getimagesize
            [286] => getimagesizefromstring
            [287] => image_type_to_mime_type
            [288] => image_type_to_extension
            [289] => phpinfo
            [290] => phpversion
            [291] => phpcredits
            [292] => php_sapi_name
            [293] => php_uname
            [294] => php_ini_scanned_files
            [295] => php_ini_loaded_file
            [296] => strnatcmp
            [297] => strnatcasecmp
            [298] => substr_count
            [299] => strspn
            [300] => strcspn
            [301] => strtok
            [302] => strtoupper
            [303] => strtolower
            [304] => strpos
            [305] => stripos
            [306] => strrpos
            [307] => strripos
            [308] => strrev
            [309] => hebrev
            [310] => hebrevc
            [311] => nl2br
            [312] => basename
            [313] => dirname
            [314] => pathinfo
            [315] => stripslashes
            [316] => stripcslashes
            [317] => strstr
            [318] => stristr
            [319] => strrchr
            [320] => str_shuffle
            [321] => str_word_count
            [322] => str_split
            [323] => strpbrk
            [324] => substr_compare
            [325] => strcoll
            [326] => money_format
            [327] => substr
            [328] => substr_replace
            [329] => quotemeta
            [330] => ucfirst
            [331] => lcfirst
            [332] => ucwords
            [333] => strtr
            [334] => addslashes
            [335] => addcslashes
            [336] => rtrim
            [337] => str_replace
            [338] => str_ireplace
            [339] => str_repeat
            [340] => count_chars
            [341] => chunk_split
            [342] => trim
            [343] => ltrim
            [344] => strip_tags
            [345] => similar_text
            [346] => explode
            [347] => implode
            [348] => join
            [349] => setlocale
            [350] => localeconv
            [351] => nl_langinfo
            [352] => soundex
            [353] => levenshtein
            [354] => chr
            [355] => ord
            [356] => parse_str
            [357] => str_getcsv
            [358] => str_pad
            [359] => chop
            [360] => strchr
            [361] => sprintf
            [362] => printf
            [363] => vprintf
            [364] => vsprintf
            [365] => fprintf
            [366] => vfprintf
            [367] => sscanf
            [368] => fscanf
            [369] => parse_url
            [370] => urlencode
            [371] => urldecode
            [372] => rawurlencode
            [373] => rawurldecode
            [374] => http_build_query
            [375] => readlink
            [376] => linkinfo
            [377] => symlink
            [378] => link
            [379] => unlink
            [380] => exec
            [381] => system
            [382] => escapeshellcmd
            [383] => escapeshellarg
            [384] => passthru
            [385] => shell_exec
            [386] => proc_open
            [387] => proc_close
            [388] => proc_terminate
            [389] => proc_get_status
            [390] => proc_nice
            [391] => rand
            [392] => srand
            [393] => getrandmax
            [394] => mt_rand
            [395] => mt_srand
            [396] => mt_getrandmax
            [397] => random_bytes
            [398] => random_int
            [399] => getservbyname
            [400] => getservbyport
            [401] => getprotobyname
            [402] => getprotobynumber
            [403] => getmyuid
            [404] => getmygid
            [405] => getmypid
            [406] => getmyinode
            [407] => getlastmod
            [408] => base64_decode
            [409] => base64_encode
            [410] => password_hash
            [411] => password_get_info
            [412] => password_needs_rehash
            [413] => password_verify
            [414] => convert_uuencode
            [415] => convert_uudecode
            [416] => abs
            [417] => ceil
            [418] => floor
            [419] => round
            [420] => sin
            [421] => cos
            [422] => tan
            [423] => asin
            [424] => acos
            [425] => atan
            [426] => atanh
            [427] => atan2
            [428] => sinh
            [429] => cosh
            [430] => tanh
            [431] => asinh
            [432] => acosh
            [433] => expm1
            [434] => log1p
            [435] => pi
            [436] => is_finite
            [437] => is_nan
            [438] => is_infinite
            [439] => pow
            [440] => exp
            [441] => log
            [442] => log10
            [443] => sqrt
            [444] => hypot
            [445] => deg2rad
            [446] => rad2deg
            [447] => bindec
            [448] => hexdec
            [449] => octdec
            [450] => decbin
            [451] => decoct
            [452] => dechex
            [453] => base_convert
            [454] => number_format
            [455] => fmod
            [456] => intdiv
            [457] => inet_ntop
            [458] => inet_pton
            [459] => ip2long
            [460] => long2ip
            [461] => getenv
            [462] => putenv
            [463] => getopt
            [464] => sys_getloadavg
            [465] => microtime
            [466] => gettimeofday
            [467] => getrusage
            [468] => uniqid
            [469] => quoted_printable_decode
            [470] => quoted_printable_encode
            [471] => convert_cyr_string
            [472] => get_current_user
            [473] => set_time_limit
            [474] => header_register_callback
            [475] => get_cfg_var
            [476] => get_magic_quotes_gpc
            [477] => get_magic_quotes_runtime
            [478] => error_log
            [479] => error_get_last
            [480] => error_clear_last
            [481] => call_user_func
            [482] => call_user_func_array
            [483] => forward_static_call
            [484] => forward_static_call_array
            [485] => serialize
            [486] => unserialize
            [487] => var_dump
            [488] => var_export
            [489] => debug_zval_dump
            [490] => print_r
            [491] => memory_get_usage
            [492] => memory_get_peak_usage
            [493] => register_shutdown_function
            [494] => register_tick_function
            [495] => unregister_tick_function
            [496] => highlight_file
            [497] => show_source
            [498] => highlight_string
            [499] => php_strip_whitespace
            [500] => ini_get
            [501] => ini_get_all
            [502] => ini_set
            [503] => ini_alter
            [504] => ini_restore
            [505] => get_include_path
            [506] => set_include_path
            [507] => restore_include_path
            [508] => setcookie
            [509] => setrawcookie
            [510] => header
            [511] => header_remove
            [512] => headers_sent
            [513] => headers_list
            [514] => http_response_code
            [515] => connection_aborted
            [516] => connection_status
            [517] => ignore_user_abort
            [518] => parse_ini_file
            [519] => parse_ini_string
            [520] => is_uploaded_file
            [521] => move_uploaded_file
            [522] => gethostbyaddr
            [523] => gethostbyname
            [524] => gethostbynamel
            [525] => gethostname
            [526] => dns_check_record
            [527] => checkdnsrr
            [528] => dns_get_mx
            [529] => getmxrr
            [530] => dns_get_record
            [531] => intval
            [532] => floatval
            [533] => doubleval
            [534] => strval
            [535] => boolval
            [536] => gettype
            [537] => settype
            [538] => is_null
            [539] => is_resource
            [540] => is_bool
            [541] => is_int
            [542] => is_float
            [543] => is_integer
            [544] => is_long
            [545] => is_double
            [546] => is_real
            [547] => is_numeric
            [548] => is_string
            [549] => is_array
            [550] => is_object
            [551] => is_scalar
            [552] => is_callable
            [553] => pclose
            [554] => popen
            [555] => readfile
            [556] => rewind
            [557] => rmdir
            [558] => umask
            [559] => fclose
            [560] => feof
            [561] => fgetc
            [562] => fgets
            [563] => fgetss
            [564] => fread
            [565] => fopen
            [566] => fpassthru
            [567] => ftruncate
            [568] => fstat
            [569] => fseek
            [570] => ftell
            [571] => fflush
            [572] => fwrite
            [573] => fputs
            [574] => mkdir
            [575] => rename
            [576] => copy
            [577] => tempnam
            [578] => tmpfile
            [579] => file
            [580] => file_get_contents
            [581] => file_put_contents
            [582] => stream_select
            [583] => stream_context_create
            [584] => stream_context_set_params
            [585] => stream_context_get_params
            [586] => stream_context_set_option
            [587] => stream_context_get_options
            [588] => stream_context_get_default
            [589] => stream_context_set_default
            [590] => stream_filter_prepend
            [591] => stream_filter_append
            [592] => stream_filter_remove
            [593] => stream_socket_client
            [594] => stream_socket_server
            [595] => stream_socket_accept
            [596] => stream_socket_get_name
            [597] => stream_socket_recvfrom
            [598] => stream_socket_sendto
            [599] => stream_socket_enable_crypto
            [600] => stream_socket_shutdown
            [601] => stream_socket_pair
            [602] => stream_copy_to_stream
            [603] => stream_get_contents
            [604] => stream_supports_lock
            [605] => fgetcsv
            [606] => fputcsv
            [607] => flock
            [608] => get_meta_tags
            [609] => stream_set_read_buffer
            [610] => stream_set_write_buffer
            [611] => set_file_buffer
            [612] => stream_set_chunk_size
            [613] => stream_set_blocking
            [614] => socket_set_blocking
            [615] => stream_get_meta_data
            [616] => stream_get_line
            [617] => stream_wrapper_register
            [618] => stream_register_wrapper
            [619] => stream_wrapper_unregister
            [620] => stream_wrapper_restore
            [621] => stream_get_wrappers
            [622] => stream_get_transports
            [623] => stream_resolve_include_path
            [624] => stream_is_local
            [625] => get_headers
            [626] => stream_set_timeout
            [627] => socket_set_timeout
            [628] => socket_get_status
            [629] => realpath
            [630] => fnmatch
            [631] => fsockopen
            [632] => pfsockopen
            [633] => pack
            [634] => unpack
            [635] => get_browser
            [636] => crypt
            [637] => opendir
            [638] => closedir
            [639] => chdir
            [640] => getcwd
            [641] => rewinddir
            [642] => readdir
            [643] => dir
            [644] => scandir
            [645] => glob
            [646] => fileatime
            [647] => filectime
            [648] => filegroup
            [649] => fileinode
            [650] => filemtime
            [651] => fileowner
            [652] => fileperms
            [653] => filesize
            [654] => filetype
            [655] => file_exists
            [656] => is_writable
            [657] => is_writeable
            [658] => is_readable
            [659] => is_executable
            [660] => is_file
            [661] => is_dir
            [662] => is_link
            [663] => stat
            [664] => lstat
            [665] => chown
            [666] => chgrp
            [667] => lchown
            [668] => lchgrp
            [669] => chmod
            [670] => touch
            [671] => clearstatcache
            [672] => disk_total_space
            [673] => disk_free_space
            [674] => diskfreespace
            [675] => realpath_cache_size
            [676] => realpath_cache_get
            [677] => mail
            [678] => ezmlm_hash
            [679] => openlog
            [680] => syslog
            [681] => closelog
            [682] => lcg_value
            [683] => metaphone
            [684] => ob_start
            [685] => ob_flush
            [686] => ob_clean
            [687] => ob_end_flush
            [688] => ob_end_clean
            [689] => ob_get_flush
            [690] => ob_get_clean
            [691] => ob_get_length
            [692] => ob_get_level
            [693] => ob_get_status
            [694] => ob_get_contents
            [695] => ob_implicit_flush
            [696] => ob_list_handlers
            [697] => ksort
            [698] => krsort
            [699] => natsort
            [700] => natcasesort
            [701] => asort
            [702] => arsort
            [703] => sort
            [704] => rsort
            [705] => usort
            [706] => uasort
            [707] => uksort
            [708] => shuffle
            [709] => array_walk
            [710] => array_walk_recursive
            [711] => count
            [712] => end
            [713] => prev
            [714] => next
            [715] => reset
            [716] => current
            [717] => key
            [718] => min
            [719] => max
            [720] => in_array
            [721] => array_search
            [722] => extract
            [723] => compact
            [724] => array_fill
            [725] => array_fill_keys
            [726] => range
            [727] => array_multisort
            [728] => array_push
            [729] => array_pop
            [730] => array_shift
            [731] => array_unshift
            [732] => array_splice
            [733] => array_slice
            [734] => array_merge
            [735] => array_merge_recursive
            [736] => array_replace
            [737] => array_replace_recursive
            [738] => array_keys
            [739] => array_values
            [740] => array_count_values
            [741] => array_column
            [742] => array_reverse
            [743] => array_reduce
            [744] => array_pad
            [745] => array_flip
            [746] => array_change_key_case
            [747] => array_rand
            [748] => array_unique
            [749] => array_intersect
            [750] => array_intersect_key
            [751] => array_intersect_ukey
            [752] => array_uintersect
            [753] => array_intersect_assoc
            [754] => array_uintersect_assoc
            [755] => array_intersect_uassoc
            [756] => array_uintersect_uassoc
            [757] => array_diff
            [758] => array_diff_key
            [759] => array_diff_ukey
            [760] => array_udiff
            [761] => array_diff_assoc
            [762] => array_udiff_assoc
            [763] => array_diff_uassoc
            [764] => array_udiff_uassoc
            [765] => array_sum
            [766] => array_product
            [767] => array_filter
            [768] => array_map
            [769] => array_chunk
            [770] => array_combine
            [771] => array_key_exists
            [772] => pos
            [773] => sizeof
            [774] => key_exists
            [775] => assert
            [776] => assert_options
            [777] => version_compare
            [778] => ftok
            [779] => str_rot13
            [780] => stream_get_filters
            [781] => stream_filter_register
            [782] => stream_bucket_make_writeable
            [783] => stream_bucket_prepend
            [784] => stream_bucket_append
            [785] => stream_bucket_new
            [786] => output_add_rewrite_var
            [787] => output_reset_rewrite_vars
            [788] => sys_get_temp_dir
            [789] => fastcgi_finish_request
            [790] => pdo_drivers
            [791] => jdtogregorian
            [792] => gregoriantojd
            [793] => jdtojulian
            [794] => juliantojd
            [795] => jdtojewish
            [796] => jewishtojd
            [797] => jdtofrench
            [798] => frenchtojd
            [799] => jddayofweek
            [800] => jdmonthname
            [801] => easter_date
            [802] => easter_days
            [803] => unixtojd
            [804] => jdtounix
            [805] => cal_to_jd
            [806] => cal_from_jd
            [807] => cal_days_in_month
            [808] => cal_info
            [809] => ctype_alnum
            [810] => ctype_alpha
            [811] => ctype_cntrl
            [812] => ctype_digit
            [813] => ctype_lower
            [814] => ctype_graph
            [815] => ctype_print
            [816] => ctype_punct
            [817] => ctype_space
            [818] => ctype_upper
            [819] => ctype_xdigit
            [820] => exif_read_data
            [821] => read_exif_data
            [822] => exif_tagname
            [823] => exif_thumbnail
            [824] => exif_imagetype
            [825] => finfo_open
            [826] => finfo_close
            [827] => finfo_set_flags
            [828] => finfo_file
            [829] => finfo_buffer
            [830] => mime_content_type
            [831] => ftp_connect
            [832] => ftp_ssl_connect
            [833] => ftp_login
            [834] => ftp_pwd
            [835] => ftp_cdup
            [836] => ftp_chdir
            [837] => ftp_exec
            [838] => ftp_raw
            [839] => ftp_mkdir
            [840] => ftp_rmdir
            [841] => ftp_chmod
            [842] => ftp_alloc
            [843] => ftp_nlist
            [844] => ftp_rawlist
            [845] => ftp_systype
            [846] => ftp_pasv
            [847] => ftp_get
            [848] => ftp_fget
            [849] => ftp_put
            [850] => ftp_fput
            [851] => ftp_size
            [852] => ftp_mdtm
            [853] => ftp_rename
            [854] => ftp_delete
            [855] => ftp_site
            [856] => ftp_close
            [857] => ftp_set_option
            [858] => ftp_get_option
            [859] => ftp_nb_fget
            [860] => ftp_nb_get
            [861] => ftp_nb_continue
            [862] => ftp_nb_put
            [863] => ftp_nb_fput
            [864] => ftp_quit
            [865] => textdomain
            [866] => gettext
            [867] => _
            [868] => dgettext
            [869] => dcgettext
            [870] => bindtextdomain
            [871] => ngettext
            [872] => dngettext
            [873] => dcngettext
            [874] => bind_textdomain_codeset
            [875] => iconv
            [876] => iconv_get_encoding
            [877] => iconv_set_encoding
            [878] => iconv_strlen
            [879] => iconv_substr
            [880] => iconv_strpos
            [881] => iconv_strrpos
            [882] => iconv_mime_encode
            [883] => iconv_mime_decode
            [884] => iconv_mime_decode_headers
            [885] => json_encode
            [886] => json_decode
            [887] => json_last_error
            [888] => json_last_error_msg
            [889] => posix_kill
            [890] => posix_getpid
            [891] => posix_getppid
            [892] => posix_getuid
            [893] => posix_setuid
            [894] => posix_geteuid
            [895] => posix_seteuid
            [896] => posix_getgid
            [897] => posix_setgid
            [898] => posix_getegid
            [899] => posix_setegid
            [900] => posix_getgroups
            [901] => posix_getlogin
            [902] => posix_getpgrp
            [903] => posix_setsid
            [904] => posix_setpgid
            [905] => posix_getpgid
            [906] => posix_getsid
            [907] => posix_uname
            [908] => posix_times
            [909] => posix_ctermid
            [910] => posix_ttyname
            [911] => posix_isatty
            [912] => posix_getcwd
            [913] => posix_mkfifo
            [914] => posix_mknod
            [915] => posix_access
            [916] => posix_getgrnam
            [917] => posix_getgrgid
            [918] => posix_getpwnam
            [919] => posix_getpwuid
            [920] => posix_getrlimit
            [921] => posix_setrlimit
            [922] => posix_get_last_error
            [923] => posix_errno
            [924] => posix_strerror
            [925] => posix_initgroups
            [926] => readline
            [927] => readline_info
            [928] => readline_add_history
            [929] => readline_clear_history
            [930] => readline_read_history
            [931] => readline_write_history
            [932] => readline_completion_function
            [933] => readline_callback_handler_install
            [934] => readline_callback_read_char
            [935] => readline_callback_handler_remove
            [936] => readline_redisplay
            [937] => readline_on_new_line
            [938] => shmop_open
            [939] => shmop_read
            [940] => shmop_close
            [941] => shmop_size
            [942] => shmop_write
            [943] => shmop_delete
            [944] => socket_select
            [945] => socket_create
            [946] => socket_create_listen
            [947] => socket_create_pair
            [948] => socket_accept
            [949] => socket_set_nonblock
            [950] => socket_set_block
            [951] => socket_listen
            [952] => socket_close
            [953] => socket_write
            [954] => socket_read
            [955] => socket_getsockname
            [956] => socket_getpeername
            [957] => socket_connect
            [958] => socket_strerror
            [959] => socket_bind
            [960] => socket_recv
            [961] => socket_send
            [962] => socket_recvfrom
            [963] => socket_sendto
            [964] => socket_get_option
            [965] => socket_set_option
            [966] => socket_shutdown
            [967] => socket_last_error
            [968] => socket_clear_error
            [969] => socket_import_stream
            [970] => socket_export_stream
            [971] => socket_sendmsg
            [972] => socket_recvmsg
            [973] => socket_cmsg_space
            [974] => socket_getopt
            [975] => socket_setopt
            [976] => msg_get_queue
            [977] => msg_send
            [978] => msg_receive
            [979] => msg_remove_queue
            [980] => msg_stat_queue
            [981] => msg_set_queue
            [982] => msg_queue_exists
            [983] => sem_get
            [984] => sem_acquire
            [985] => sem_release
            [986] => sem_remove
            [987] => shm_attach
            [988] => shm_remove
            [989] => shm_detach
            [990] => shm_put_var
            [991] => shm_has_var
            [992] => shm_get_var
            [993] => shm_remove_var
            [994] => token_get_all
            [995] => token_name
            [996] => opcache_reset
            [997] => opcache_invalidate
            [998] => opcache_compile_file
            [999] => opcache_is_script_cached
            [1000] => opcache_get_configuration
            [1001] => 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] => makeimageurl
            [9] => getcpupercentages
            [10] => getcoreinformation
            [11] => test_io
            [12] => test_float
            [13] => test_int
            [14] => isfun1
            [15] => isfun
            [16] => show
            [17] => valid_email
            [18] => formatsize
            [19] => microtime_float
            [20] => memory_usage
        )

)