(PHP 4, PHP 5, PHP 7) Alias of

(PHP >= 5.4.0) Decodes a hexadecimally encoded binary string

(PHP 5 >= 5.1.0, PHP 7) Convert special HTML entities back to characters

(PHP 4, PHP 5) Regular expression match int ereg

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Randomly shuffles a string

(PHP 4 >= 4.0.1, PHP 5, PHP 7) Calculate Levenshtein distance between two strings

(PECL bbcode >= 0.10.2) Adds a smiley to the parser

(PHP 4, PHP 5, PHP 7) Split a string into smaller chunks

(PHP 4, PHP 5, PHP 7) Inserts HTML line breaks before all newlines in a string

(PHP 4 >= 4.3.0, PHP 5, PHP 7) Convert all HTML entities to their applicable characters