Extension:Foxway/Functions/String

String Functions
You can use the PHP documentation for these functions

List of implemented functions

 * addcslashes — Quote string with slashes in a C style
 * addslashes — Quote string with slashes
 * chop — Alias of rtrim
 * chr — Return a specific character
 * chunk_split — Split a string into smaller chunks
 * convert_cyr_string — Convert from one Cyrillic character set to another
 * convert_uudecode — Decode a uuencoded string
 * convert_uuencode — Uuencode a string
 * count_chars — Return information about characters used in a string
 * crc32 — Calculates the crc32 polynomial of a string
 * crypt — One-way string hashing
 * echo — Output one or more strings
 * explode — Split a string by string
 * html_entity_decode — Convert all HTML entities to their applicable characters
 * htmlentities — Convert all applicable characters to HTML entities
 * htmlspecialchars_decode — Convert special HTML entities back to characters
 * htmlspecialchars — Convert special characters to HTML entities
 * implode — Join array elements with a string
 * join — Alias of implode
 * lcfirst — Make a string's first character lowercase
 * levenshtein — Calculate Levenshtein distance between two strings
 * ltrim — Strip whitespace (or other characters) from the beginning of a string
 * md5 — Calculate the md5 hash of a string
 * metaphone — Calculate the metaphone key of a string
 * money_format — Formats a number as a currency string
 * nl_langinfo — Query language and locale information
 * nl2br — Inserts HTML line breaks before all newlines in a string
 * number_format — Format a number with grouped thousands
 * ord — Return ASCII value of character
 * print — Output a string
 * printf — Output a formatted string
 * quotemeta — Quote meta characters
 * rtrim — Strip whitespace (or other characters) from the end of a string
 * sha1 — Calculate the sha1 hash of a string
 * similar_text — Calculate the similarity between two strings
 * soundex — Calculate the soundex key of a string
 * sprintf — Return a formatted string
 * sscanf — Parses input from a string according to a format
 * str_ireplace — Case-insensitive version of str_replace.
 * str_pad — Pad a string to a certain length with another string
 * str_repeat — Repeat a string
 * str_replace — Replace all occurrences of the search string with the replacement string
 * str_rot13 — Perform the rot13 transform on a string
 * str_shuffle — Randomly shuffles a string
 * str_split — Convert a string to an array
 * str_word_count — Return information about words used in a string
 * strcasecmp — Binary safe case-insensitive string comparison
 * strchr — Alias of strstr
 * strcmp — Binary safe string comparison
 * strcspn — Find length of initial segment not matching mask
 * strip_tags — Strip HTML and PHP tags from a string
 * stripcslashes — Un-quote string quoted with addcslashes
 * stripos — Find the position of the first occurrence of a case-insensitive substring in a string
 * stripslashes — Un-quotes a quoted string
 * stristr — Case-insensitive strstr
 * strlen — Get string length
 * strnatcasecmp — Case insensitive string comparisons using a "natural order" algorithm
 * strnatcmp — String comparisons using a "natural order" algorithm
 * strncasecmp — Binary safe case-insensitive string comparison of the first n characters
 * strncmp — Binary safe string comparison of the first n characters
 * strpbrk — Search a string for any of a set of characters
 * strpos — Find the position of the first occurrence of a substring in a string
 * strrchr — Find the last occurrence of a character in a string
 * strrev — Reverse a string
 * strripos — Find the position of the last occurrence of a case-insensitive substring in a string
 * strrpos — Find the position of the last occurrence of a substring in a string
 * strspn — Finds the length of the initial segment of a string consisting entirely of characters contained within a given mask.
 * strstr — Find the first occurrence of a string
 * strtok — Tokenize string
 * strtolower — Make a string lowercase
 * strtoupper — Make a string uppercase
 * strtr — Translate characters or replace substrings
 * substr_compare — Binary safe comparison of two strings from an offset, up to length characters
 * substr_count — Count the number of substring occurrences
 * substr_replace — Replace text within a portion of a string
 * substr — Return part of a string
 * trim — Strip whitespace (or other characters) from the beginning and end of a string
 * ucfirst — Make a string's first character uppercase
 * ucwords — Uppercase the first character of each word in a string
 * vprintf — Output a formatted string
 * vsprintf — Return a formatted string
 * wordwrap — Wraps a string to a given number of characters

see examples