- array
- array_change_key_case
- array_chunk
- array_combine
- array_count_values
- array_diff
- array_diff_assoc
- array_diff_key
- array_diff_uassoc
- array_fill
- array_fill_keys
- array_filter
- array_flip
- array_intersect
- array_intersect_assoc
- array_intersect_key
- array_intersect_uassoc
- array_intersect_ukey
- array_keys
- array_key_exists
- array_map
- array_merge
- array_merge_recursive
- array_multisort
- array_pad
- array_pop
- array_product
- array_push
- array_rand
- array_reduce
- array_remove
- array_reverse
- array_search
- array_shift
- array_slice
- array_sum
- array_udiff
- array_udiff_assoc
- array_udiff_uassoc
- array_uintersect
- array_uintersect_assoc
- array_uintersect_uassoc
- array_unique
- array_unshift
- array_values
- array_walk
- array_walk_recursive
- arsort
- asort
- compact
- count
- in_array
- krsort
- ksort
- range
- rsort
- shuffle
- sizeof
- sort
- uasort
- uksort
- usort
- checkdate
- strftime
- copy
- dirname
- fclose
- feof
- fgetc
- fgetcsv
- fgets
- fgetss
- file
- fileatime
- filemtime
- filesize
- FileSystem class
- filetype
- file_exists
- file_get_contents
- fopen
- fputcsv
- fputs
- fwrite
- is_dir
- is_file
- mkdir
- pathinfo
- rmdir
- unlink
- call_user_func
- call_user_func_array
- [!==]
- [!=]
- [===]
- [==]
- [=]
- [>]
- [?]
- is_nan
- pow
- rand
- sqrt
- mb_convert_encoding
- mb_convert_kana
- mb_send_mail
- die
- eval
- ip2long
- long2ip
- aspinfo
- preg_grep
- preg_match
- preg_match_all
- preg_quote
- preg_replace
- preg_replace_callback
- preg_split
- RegexpHelper class
- addslashes
- chop
- echo
- explode
- htmlspecialchars
- html_entity_decode
- implode
- lcfirst
- levenshtein
- md5
- md5_file
- nl2br
- number_format
- ord
- parse_str
- printf
- quotemeta
- soundex
- sprintf
- strcasecmp
- strchr
- strcmp
- stripos
- stripslashes
- strip_tags
- stristr
- strnatcasecmp
- strnatcmp
- strncasecmp
- strncmp
- strpbrk
- strpos
- strrchr
- strrev
- strripos
- strrpos
- strstr
- strtolower
- strtoupper
- strtr
- str_ireplace
- str_pad
- str_repeat
- str_replace
- str_rot13
- str_shuffle
- str_split
- substr
- substr_compare
- substr_count
- substr_replace
- ucfirst
- ucwords
- wordwrap
- base64_decode
- base64_encode
- http_build_query
- urldecode
- urlencode
- empty
- floatval
- gettype
- intval
- isset
- is_array
- is_binary
- is_bool
- is_double
- is_float
- is_int
- is_integer
- is_long
- is_null
- is_numeric
- is_object
- is_real
- is_scalar
- is_string
- print_r
- serialize
- settype
- strval
- unset
- var_dump
- simplexml_load_file