This string functions are currently supported.

• addcslashes
• addslashes
• bin2hex
• chop
• chr
• chunk_split
• convert_cyr_string
• convert_uudecode (help wanted)
• convert_uuencode (help wanted)
• count_chars
• crc32
• crypt (help wanted)
• echo
• explode
• fprintf
• get_html_translation_table
• hebrev (not supported)
• hebrevc (not supported)
• hex2bin
• html_entity_decode
• htmlentities
• htmlspecialchars_decode
• htmlspecialchars
• implode
• join
• lcfirst
• levenshtein
• localeconv
• ltrim
• md5_file (does not read file)
• md5
• metaphone (help wanted)
• money_format
• nl_langinfo (not supported)
• nl2br
• number_format
• ord
• parse_str
• print
• printf
• quoted_printable_decode
• quoted_printable_encode
• quotemeta
• rtrim
• setlocale (not supported)
• sha1_file (does not read file)
• sha1
• similar_text
• soundex (help wanted)
• sprintf
• sscanf
• str_getcsv
• str_ireplace
• str_pad
• str_repeat
• str_replace
• str_rot13
• str_shuffle
• str_split
• str_word_count
• strcasecmp
• strchr
• strcmp
• strcoll
• strcspn
• strip_tags
• stripcslashes
• stripos
• stripslashes
• stristr
• strlen
• strnatcasecmp
• strnatcmp
• strncasecmp
• strncmp
• strpbrk
• strpos
• strrchr
• strrev
• strripos
• strrpos
• strspn
• strstr
• strtok
• strtolower
• strtoupper
• strtr
• substr_compare
• substr_count
• substr_replace
• substr
• trim
• ucfirst
• ucwords
• vfprintf
• vprintf
• vsprintf
• wordwrap