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_pkcs7_read
            [156] => openssl_private_encrypt
            [157] => openssl_private_decrypt
            [158] => openssl_public_encrypt
            [159] => openssl_public_decrypt
            [160] => openssl_get_md_methods
            [161] => openssl_get_cipher_methods
            [162] => openssl_get_curve_names
            [163] => openssl_dh_compute_key
            [164] => openssl_random_pseudo_bytes
            [165] => openssl_error_string
            [166] => preg_match
            [167] => preg_match_all
            [168] => preg_replace
            [169] => preg_replace_callback
            [170] => preg_replace_callback_array
            [171] => preg_filter
            [172] => preg_split
            [173] => preg_quote
            [174] => preg_grep
            [175] => preg_last_error
            [176] => readgzfile
            [177] => gzrewind
            [178] => gzclose
            [179] => gzeof
            [180] => gzgetc
            [181] => gzgets
            [182] => gzgetss
            [183] => gzread
            [184] => gzopen
            [185] => gzpassthru
            [186] => gzseek
            [187] => gztell
            [188] => gzwrite
            [189] => gzputs
            [190] => gzfile
            [191] => gzcompress
            [192] => gzuncompress
            [193] => gzdeflate
            [194] => gzinflate
            [195] => gzencode
            [196] => gzdecode
            [197] => zlib_encode
            [198] => zlib_decode
            [199] => zlib_get_coding_type
            [200] => deflate_init
            [201] => deflate_add
            [202] => inflate_init
            [203] => inflate_add
            [204] => inflate_get_status
            [205] => inflate_get_read_len
            [206] => ob_gzhandler
            [207] => filter_input
            [208] => filter_var
            [209] => filter_input_array
            [210] => filter_var_array
            [211] => filter_list
            [212] => filter_has_var
            [213] => filter_id
            [214] => hash
            [215] => hash_file
            [216] => hash_hmac
            [217] => hash_hmac_file
            [218] => hash_init
            [219] => hash_update
            [220] => hash_update_stream
            [221] => hash_update_file
            [222] => hash_final
            [223] => hash_copy
            [224] => hash_algos
            [225] => hash_hmac_algos
            [226] => hash_pbkdf2
            [227] => hash_equals
            [228] => hash_hkdf
            [229] => mhash_keygen_s2k
            [230] => mhash_get_block_size
            [231] => mhash_get_hash_name
            [232] => mhash_count
            [233] => mhash
            [234] => spl_classes
            [235] => spl_autoload
            [236] => spl_autoload_extensions
            [237] => spl_autoload_register
            [238] => spl_autoload_unregister
            [239] => spl_autoload_functions
            [240] => spl_autoload_call
            [241] => class_parents
            [242] => class_implements
            [243] => class_uses
            [244] => spl_object_hash
            [245] => spl_object_id
            [246] => iterator_to_array
            [247] => iterator_count
            [248] => iterator_apply
            [249] => session_name
            [250] => session_module_name
            [251] => session_save_path
            [252] => session_id
            [253] => session_create_id
            [254] => session_regenerate_id
            [255] => session_decode
            [256] => session_encode
            [257] => session_start
            [258] => session_destroy
            [259] => session_unset
            [260] => session_gc
            [261] => session_set_save_handler
            [262] => session_cache_limiter
            [263] => session_cache_expire
            [264] => session_set_cookie_params
            [265] => session_get_cookie_params
            [266] => session_write_close
            [267] => session_abort
            [268] => session_reset
            [269] => session_status
            [270] => session_register_shutdown
            [271] => session_commit
            [272] => constant
            [273] => bin2hex
            [274] => hex2bin
            [275] => sleep
            [276] => usleep
            [277] => time_nanosleep
            [278] => time_sleep_until
            [279] => strptime
            [280] => flush
            [281] => wordwrap
            [282] => htmlspecialchars
            [283] => htmlentities
            [284] => html_entity_decode
            [285] => htmlspecialchars_decode
            [286] => get_html_translation_table
            [287] => sha1
            [288] => sha1_file
            [289] => md5
            [290] => md5_file
            [291] => crc32
            [292] => iptcparse
            [293] => iptcembed
            [294] => getimagesize
            [295] => getimagesizefromstring
            [296] => image_type_to_mime_type
            [297] => image_type_to_extension
            [298] => phpinfo
            [299] => phpversion
            [300] => phpcredits
            [301] => php_sapi_name
            [302] => php_uname
            [303] => php_ini_scanned_files
            [304] => php_ini_loaded_file
            [305] => strnatcmp
            [306] => strnatcasecmp
            [307] => substr_count
            [308] => strspn
            [309] => strcspn
            [310] => strtok
            [311] => strtoupper
            [312] => strtolower
            [313] => strpos
            [314] => stripos
            [315] => strrpos
            [316] => strripos
            [317] => strrev
            [318] => hebrev
            [319] => hebrevc
            [320] => nl2br
            [321] => basename
            [322] => dirname
            [323] => pathinfo
            [324] => stripslashes
            [325] => stripcslashes
            [326] => strstr
            [327] => stristr
            [328] => strrchr
            [329] => str_shuffle
            [330] => str_word_count
            [331] => str_split
            [332] => strpbrk
            [333] => substr_compare
            [334] => utf8_encode
            [335] => utf8_decode
            [336] => strcoll
            [337] => money_format
            [338] => substr
            [339] => substr_replace
            [340] => quotemeta
            [341] => ucfirst
            [342] => lcfirst
            [343] => ucwords
            [344] => strtr
            [345] => addslashes
            [346] => addcslashes
            [347] => rtrim
            [348] => str_replace
            [349] => str_ireplace
            [350] => str_repeat
            [351] => count_chars
            [352] => chunk_split
            [353] => trim
            [354] => ltrim
            [355] => strip_tags
            [356] => similar_text
            [357] => explode
            [358] => implode
            [359] => join
            [360] => setlocale
            [361] => localeconv
            [362] => nl_langinfo
            [363] => soundex
            [364] => levenshtein
            [365] => chr
            [366] => ord
            [367] => parse_str
            [368] => str_getcsv
            [369] => str_pad
            [370] => chop
            [371] => strchr
            [372] => sprintf
            [373] => printf
            [374] => vprintf
            [375] => vsprintf
            [376] => fprintf
            [377] => vfprintf
            [378] => sscanf
            [379] => fscanf
            [380] => parse_url
            [381] => urlencode
            [382] => urldecode
            [383] => rawurlencode
            [384] => rawurldecode
            [385] => http_build_query
            [386] => readlink
            [387] => linkinfo
            [388] => symlink
            [389] => link
            [390] => unlink
            [391] => exec
            [392] => system
            [393] => escapeshellcmd
            [394] => escapeshellarg
            [395] => passthru
            [396] => shell_exec
            [397] => proc_open
            [398] => proc_close
            [399] => proc_terminate
            [400] => proc_get_status
            [401] => proc_nice
            [402] => rand
            [403] => srand
            [404] => getrandmax
            [405] => mt_rand
            [406] => mt_srand
            [407] => mt_getrandmax
            [408] => random_bytes
            [409] => random_int
            [410] => getservbyname
            [411] => getservbyport
            [412] => getprotobyname
            [413] => getprotobynumber
            [414] => getmyuid
            [415] => getmygid
            [416] => getmypid
            [417] => getmyinode
            [418] => getlastmod
            [419] => base64_decode
            [420] => base64_encode
            [421] => password_hash
            [422] => password_get_info
            [423] => password_needs_rehash
            [424] => password_verify
            [425] => convert_uuencode
            [426] => convert_uudecode
            [427] => abs
            [428] => ceil
            [429] => floor
            [430] => round
            [431] => sin
            [432] => cos
            [433] => tan
            [434] => asin
            [435] => acos
            [436] => atan
            [437] => atanh
            [438] => atan2
            [439] => sinh
            [440] => cosh
            [441] => tanh
            [442] => asinh
            [443] => acosh
            [444] => expm1
            [445] => log1p
            [446] => pi
            [447] => is_finite
            [448] => is_nan
            [449] => is_infinite
            [450] => pow
            [451] => exp
            [452] => log
            [453] => log10
            [454] => sqrt
            [455] => hypot
            [456] => deg2rad
            [457] => rad2deg
            [458] => bindec
            [459] => hexdec
            [460] => octdec
            [461] => decbin
            [462] => decoct
            [463] => dechex
            [464] => base_convert
            [465] => number_format
            [466] => fmod
            [467] => intdiv
            [468] => inet_ntop
            [469] => inet_pton
            [470] => ip2long
            [471] => long2ip
            [472] => getenv
            [473] => putenv
            [474] => getopt
            [475] => sys_getloadavg
            [476] => microtime
            [477] => gettimeofday
            [478] => getrusage
            [479] => uniqid
            [480] => quoted_printable_decode
            [481] => quoted_printable_encode
            [482] => convert_cyr_string
            [483] => get_current_user
            [484] => set_time_limit
            [485] => header_register_callback
            [486] => get_cfg_var
            [487] => get_magic_quotes_gpc
            [488] => get_magic_quotes_runtime
            [489] => error_log
            [490] => error_get_last
            [491] => error_clear_last
            [492] => call_user_func
            [493] => call_user_func_array
            [494] => forward_static_call
            [495] => forward_static_call_array
            [496] => serialize
            [497] => unserialize
            [498] => var_dump
            [499] => var_export
            [500] => debug_zval_dump
            [501] => print_r
            [502] => memory_get_usage
            [503] => memory_get_peak_usage
            [504] => register_shutdown_function
            [505] => register_tick_function
            [506] => unregister_tick_function
            [507] => highlight_file
            [508] => show_source
            [509] => highlight_string
            [510] => php_strip_whitespace
            [511] => ini_get
            [512] => ini_get_all
            [513] => ini_set
            [514] => ini_alter
            [515] => ini_restore
            [516] => get_include_path
            [517] => set_include_path
            [518] => restore_include_path
            [519] => setcookie
            [520] => setrawcookie
            [521] => header
            [522] => header_remove
            [523] => headers_sent
            [524] => headers_list
            [525] => http_response_code
            [526] => connection_aborted
            [527] => connection_status
            [528] => ignore_user_abort
            [529] => parse_ini_file
            [530] => parse_ini_string
            [531] => is_uploaded_file
            [532] => move_uploaded_file
            [533] => gethostbyaddr
            [534] => gethostbyname
            [535] => gethostbynamel
            [536] => gethostname
            [537] => dns_check_record
            [538] => checkdnsrr
            [539] => dns_get_mx
            [540] => getmxrr
            [541] => dns_get_record
            [542] => intval
            [543] => floatval
            [544] => doubleval
            [545] => strval
            [546] => boolval
            [547] => gettype
            [548] => settype
            [549] => is_null
            [550] => is_resource
            [551] => is_bool
            [552] => is_int
            [553] => is_float
            [554] => is_integer
            [555] => is_long
            [556] => is_double
            [557] => is_real
            [558] => is_numeric
            [559] => is_string
            [560] => is_array
            [561] => is_object
            [562] => is_scalar
            [563] => is_callable
            [564] => is_iterable
            [565] => pclose
            [566] => popen
            [567] => readfile
            [568] => rewind
            [569] => rmdir
            [570] => umask
            [571] => fclose
            [572] => feof
            [573] => fgetc
            [574] => fgets
            [575] => fgetss
            [576] => fread
            [577] => fopen
            [578] => fpassthru
            [579] => ftruncate
            [580] => fstat
            [581] => fseek
            [582] => ftell
            [583] => fflush
            [584] => fwrite
            [585] => fputs
            [586] => mkdir
            [587] => rename
            [588] => copy
            [589] => tempnam
            [590] => tmpfile
            [591] => file
            [592] => file_get_contents
            [593] => file_put_contents
            [594] => stream_select
            [595] => stream_context_create
            [596] => stream_context_set_params
            [597] => stream_context_get_params
            [598] => stream_context_set_option
            [599] => stream_context_get_options
            [600] => stream_context_get_default
            [601] => stream_context_set_default
            [602] => stream_filter_prepend
            [603] => stream_filter_append
            [604] => stream_filter_remove
            [605] => stream_socket_client
            [606] => stream_socket_server
            [607] => stream_socket_accept
            [608] => stream_socket_get_name
            [609] => stream_socket_recvfrom
            [610] => stream_socket_sendto
            [611] => stream_socket_enable_crypto
            [612] => stream_socket_shutdown
            [613] => stream_socket_pair
            [614] => stream_copy_to_stream
            [615] => stream_get_contents
            [616] => stream_supports_lock
            [617] => stream_isatty
            [618] => fgetcsv
            [619] => fputcsv
            [620] => flock
            [621] => get_meta_tags
            [622] => stream_set_read_buffer
            [623] => stream_set_write_buffer
            [624] => set_file_buffer
            [625] => stream_set_chunk_size
            [626] => stream_set_blocking
            [627] => socket_set_blocking
            [628] => stream_get_meta_data
            [629] => stream_get_line
            [630] => stream_wrapper_register
            [631] => stream_register_wrapper
            [632] => stream_wrapper_unregister
            [633] => stream_wrapper_restore
            [634] => stream_get_wrappers
            [635] => stream_get_transports
            [636] => stream_resolve_include_path
            [637] => stream_is_local
            [638] => get_headers
            [639] => stream_set_timeout
            [640] => socket_set_timeout
            [641] => socket_get_status
            [642] => realpath
            [643] => fnmatch
            [644] => fsockopen
            [645] => pfsockopen
            [646] => pack
            [647] => unpack
            [648] => get_browser
            [649] => crypt
            [650] => opendir
            [651] => closedir
            [652] => chdir
            [653] => getcwd
            [654] => rewinddir
            [655] => readdir
            [656] => dir
            [657] => scandir
            [658] => glob
            [659] => fileatime
            [660] => filectime
            [661] => filegroup
            [662] => fileinode
            [663] => filemtime
            [664] => fileowner
            [665] => fileperms
            [666] => filesize
            [667] => filetype
            [668] => file_exists
            [669] => is_writable
            [670] => is_writeable
            [671] => is_readable
            [672] => is_executable
            [673] => is_file
            [674] => is_dir
            [675] => is_link
            [676] => stat
            [677] => lstat
            [678] => chown
            [679] => chgrp
            [680] => lchown
            [681] => lchgrp
            [682] => chmod
            [683] => touch
            [684] => clearstatcache
            [685] => disk_total_space
            [686] => disk_free_space
            [687] => diskfreespace
            [688] => realpath_cache_size
            [689] => realpath_cache_get
            [690] => mail
            [691] => ezmlm_hash
            [692] => openlog
            [693] => syslog
            [694] => closelog
            [695] => lcg_value
            [696] => metaphone
            [697] => ob_start
            [698] => ob_flush
            [699] => ob_clean
            [700] => ob_end_flush
            [701] => ob_end_clean
            [702] => ob_get_flush
            [703] => ob_get_clean
            [704] => ob_get_length
            [705] => ob_get_level
            [706] => ob_get_status
            [707] => ob_get_contents
            [708] => ob_implicit_flush
            [709] => ob_list_handlers
            [710] => ksort
            [711] => krsort
            [712] => natsort
            [713] => natcasesort
            [714] => asort
            [715] => arsort
            [716] => sort
            [717] => rsort
            [718] => usort
            [719] => uasort
            [720] => uksort
            [721] => shuffle
            [722] => array_walk
            [723] => array_walk_recursive
            [724] => count
            [725] => end
            [726] => prev
            [727] => next
            [728] => reset
            [729] => current
            [730] => key
            [731] => min
            [732] => max
            [733] => in_array
            [734] => array_search
            [735] => extract
            [736] => compact
            [737] => array_fill
            [738] => array_fill_keys
            [739] => range
            [740] => array_multisort
            [741] => array_push
            [742] => array_pop
            [743] => array_shift
            [744] => array_unshift
            [745] => array_splice
            [746] => array_slice
            [747] => array_merge
            [748] => array_merge_recursive
            [749] => array_replace
            [750] => array_replace_recursive
            [751] => array_keys
            [752] => array_values
            [753] => array_count_values
            [754] => array_column
            [755] => array_reverse
            [756] => array_reduce
            [757] => array_pad
            [758] => array_flip
            [759] => array_change_key_case
            [760] => array_rand
            [761] => array_unique
            [762] => array_intersect
            [763] => array_intersect_key
            [764] => array_intersect_ukey
            [765] => array_uintersect
            [766] => array_intersect_assoc
            [767] => array_uintersect_assoc
            [768] => array_intersect_uassoc
            [769] => array_uintersect_uassoc
            [770] => array_diff
            [771] => array_diff_key
            [772] => array_diff_ukey
            [773] => array_udiff
            [774] => array_diff_assoc
            [775] => array_udiff_assoc
            [776] => array_diff_uassoc
            [777] => array_udiff_uassoc
            [778] => array_sum
            [779] => array_product
            [780] => array_filter
            [781] => array_map
            [782] => array_chunk
            [783] => array_combine
            [784] => array_key_exists
            [785] => pos
            [786] => sizeof
            [787] => key_exists
            [788] => assert
            [789] => assert_options
            [790] => version_compare
            [791] => ftok
            [792] => str_rot13
            [793] => stream_get_filters
            [794] => stream_filter_register
            [795] => stream_bucket_make_writeable
            [796] => stream_bucket_prepend
            [797] => stream_bucket_append
            [798] => stream_bucket_new
            [799] => output_add_rewrite_var
            [800] => output_reset_rewrite_vars
            [801] => sys_get_temp_dir
            [802] => apache_lookup_uri
            [803] => virtual
            [804] => apache_request_headers
            [805] => apache_response_headers
            [806] => apache_setenv
            [807] => apache_getenv
            [808] => apache_note
            [809] => apache_get_version
            [810] => apache_get_modules
            [811] => getallheaders
            [812] => bzopen
            [813] => bzread
            [814] => bzwrite
            [815] => bzflush
            [816] => bzclose
            [817] => bzerrno
            [818] => bzerrstr
            [819] => bzerror
            [820] => bzcompress
            [821] => bzdecompress
            [822] => jdtogregorian
            [823] => gregoriantojd
            [824] => jdtojulian
            [825] => juliantojd
            [826] => jdtojewish
            [827] => jewishtojd
            [828] => jdtofrench
            [829] => frenchtojd
            [830] => jddayofweek
            [831] => jdmonthname
            [832] => easter_date
            [833] => easter_days
            [834] => unixtojd
            [835] => jdtounix
            [836] => cal_to_jd
            [837] => cal_from_jd
            [838] => cal_days_in_month
            [839] => cal_info
            [840] => ctype_alnum
            [841] => ctype_alpha
            [842] => ctype_cntrl
            [843] => ctype_digit
            [844] => ctype_lower
            [845] => ctype_graph
            [846] => ctype_print
            [847] => ctype_punct
            [848] => ctype_space
            [849] => ctype_upper
            [850] => ctype_xdigit
            [851] => curl_init
            [852] => curl_copy_handle
            [853] => curl_version
            [854] => curl_setopt
            [855] => curl_setopt_array
            [856] => curl_exec
            [857] => curl_getinfo
            [858] => curl_error
            [859] => curl_errno
            [860] => curl_close
            [861] => curl_strerror
            [862] => curl_multi_strerror
            [863] => curl_share_strerror
            [864] => curl_reset
            [865] => curl_escape
            [866] => curl_unescape
            [867] => curl_pause
            [868] => curl_multi_init
            [869] => curl_multi_add_handle
            [870] => curl_multi_remove_handle
            [871] => curl_multi_select
            [872] => curl_multi_exec
            [873] => curl_multi_getcontent
            [874] => curl_multi_info_read
            [875] => curl_multi_close
            [876] => curl_multi_errno
            [877] => curl_multi_setopt
            [878] => curl_share_init
            [879] => curl_share_close
            [880] => curl_share_setopt
            [881] => curl_share_errno
            [882] => curl_file_create
            [883] => exif_read_data
            [884] => read_exif_data
            [885] => exif_tagname
            [886] => exif_thumbnail
            [887] => exif_imagetype
            [888] => finfo_open
            [889] => finfo_close
            [890] => finfo_set_flags
            [891] => finfo_file
            [892] => finfo_buffer
            [893] => mime_content_type
            [894] => ftp_connect
            [895] => ftp_ssl_connect
            [896] => ftp_login
            [897] => ftp_pwd
            [898] => ftp_cdup
            [899] => ftp_chdir
            [900] => ftp_exec
            [901] => ftp_raw
            [902] => ftp_mkdir
            [903] => ftp_rmdir
            [904] => ftp_chmod
            [905] => ftp_alloc
            [906] => ftp_nlist
            [907] => ftp_rawlist
            [908] => ftp_mlsd
            [909] => ftp_systype
            [910] => ftp_pasv
            [911] => ftp_get
            [912] => ftp_fget
            [913] => ftp_put
            [914] => ftp_append
            [915] => ftp_fput
            [916] => ftp_size
            [917] => ftp_mdtm
            [918] => ftp_rename
            [919] => ftp_delete
            [920] => ftp_site
            [921] => ftp_close
            [922] => ftp_set_option
            [923] => ftp_get_option
            [924] => ftp_nb_fget
            [925] => ftp_nb_get
            [926] => ftp_nb_continue
            [927] => ftp_nb_put
            [928] => ftp_nb_fput
            [929] => ftp_quit
            [930] => textdomain
            [931] => gettext
            [932] => _
            [933] => dgettext
            [934] => dcgettext
            [935] => bindtextdomain
            [936] => ngettext
            [937] => dngettext
            [938] => dcngettext
            [939] => bind_textdomain_codeset
            [940] => gmp_init
            [941] => gmp_import
            [942] => gmp_export
            [943] => gmp_intval
            [944] => gmp_strval
            [945] => gmp_add
            [946] => gmp_sub
            [947] => gmp_mul
            [948] => gmp_div_qr
            [949] => gmp_div_q
            [950] => gmp_div_r
            [951] => gmp_div
            [952] => gmp_mod
            [953] => gmp_divexact
            [954] => gmp_neg
            [955] => gmp_abs
            [956] => gmp_fact
            [957] => gmp_sqrt
            [958] => gmp_sqrtrem
            [959] => gmp_root
            [960] => gmp_rootrem
            [961] => gmp_pow
            [962] => gmp_powm
            [963] => gmp_perfect_square
            [964] => gmp_prob_prime
            [965] => gmp_gcd
            [966] => gmp_gcdext
            [967] => gmp_invert
            [968] => gmp_jacobi
            [969] => gmp_legendre
            [970] => gmp_cmp
            [971] => gmp_sign
            [972] => gmp_random
            [973] => gmp_random_seed
            [974] => gmp_random_bits
            [975] => gmp_random_range
            [976] => gmp_and
            [977] => gmp_or
            [978] => gmp_com
            [979] => gmp_xor
            [980] => gmp_setbit
            [981] => gmp_clrbit
            [982] => gmp_testbit
            [983] => gmp_scan0
            [984] => gmp_scan1
            [985] => gmp_popcount
            [986] => gmp_hamdist
            [987] => gmp_nextprime
            [988] => iconv
            [989] => iconv_get_encoding
            [990] => iconv_set_encoding
            [991] => iconv_strlen
            [992] => iconv_substr
            [993] => iconv_strpos
            [994] => iconv_strrpos
            [995] => iconv_mime_encode
            [996] => iconv_mime_decode
            [997] => iconv_mime_decode_headers
            [998] => json_encode
            [999] => json_decode
            [1000] => json_last_error
            [1001] => json_last_error_msg
            [1002] => shmop_open
            [1003] => shmop_read
            [1004] => shmop_close
            [1005] => shmop_size
            [1006] => shmop_write
            [1007] => shmop_delete
            [1008] => simplexml_load_file
            [1009] => simplexml_load_string
            [1010] => simplexml_import_dom
            [1011] => socket_select
            [1012] => socket_create
            [1013] => socket_create_listen
            [1014] => socket_create_pair
            [1015] => socket_accept
            [1016] => socket_set_nonblock
            [1017] => socket_set_block
            [1018] => socket_listen
            [1019] => socket_close
            [1020] => socket_write
            [1021] => socket_read
            [1022] => socket_getsockname
            [1023] => socket_getpeername
            [1024] => socket_connect
            [1025] => socket_strerror
            [1026] => socket_bind
            [1027] => socket_recv
            [1028] => socket_send
            [1029] => socket_recvfrom
            [1030] => socket_sendto
            [1031] => socket_get_option
            [1032] => socket_set_option
            [1033] => socket_shutdown
            [1034] => socket_last_error
            [1035] => socket_clear_error
            [1036] => socket_import_stream
            [1037] => socket_export_stream
            [1038] => socket_sendmsg
            [1039] => socket_recvmsg
            [1040] => socket_cmsg_space
            [1041] => socket_addrinfo_lookup
            [1042] => socket_addrinfo_connect
            [1043] => socket_addrinfo_bind
            [1044] => socket_addrinfo_explain
            [1045] => socket_getopt
            [1046] => socket_setopt
            [1047] => token_get_all
            [1048] => token_name
            [1049] => xml_parser_create
            [1050] => xml_parser_create_ns
            [1051] => xml_set_object
            [1052] => xml_set_element_handler
            [1053] => xml_set_character_data_handler
            [1054] => xml_set_processing_instruction_handler
            [1055] => xml_set_default_handler
            [1056] => xml_set_unparsed_entity_decl_handler
            [1057] => xml_set_notation_decl_handler
            [1058] => xml_set_external_entity_ref_handler
            [1059] => xml_set_start_namespace_decl_handler
            [1060] => xml_set_end_namespace_decl_handler
            [1061] => xml_parse
            [1062] => xml_parse_into_struct
            [1063] => xml_get_error_code
            [1064] => xml_error_string
            [1065] => xml_get_current_line_number
            [1066] => xml_get_current_column_number
            [1067] => xml_get_current_byte_index
            [1068] => xml_parser_free
            [1069] => xml_parser_set_option
            [1070] => xml_parser_get_option
            [1071] => zip_open
            [1072] => zip_close
            [1073] => zip_read
            [1074] => zip_entry_open
            [1075] => zip_entry_close
            [1076] => zip_entry_read
            [1077] => zip_entry_filesize
            [1078] => zip_entry_name
            [1079] => zip_entry_compressedsize
            [1080] => zip_entry_compressionmethod
            [1081] => opcache_reset
            [1082] => opcache_invalidate
            [1083] => opcache_compile_file
            [1084] => opcache_is_script_cached
            [1085] => opcache_get_configuration
            [1086] => 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
        )

)