If you want PBKDF2 and are using PHP >= 5.5, there's the hash_pbkdf2 function built in to ext/hash, which should be available by default in most installations.

If you want PBKDF2 and are using PHP >= 5.5, there's the hash_pbkdf2 function built in to ext/hash, which should be available by default in most installations. There's also another implementation in PHP-CryptLib by Anthony Ferrara, the gentlemen that brought the current password API to PHP. https://github.com/ircmaxell/PHP-CryptLib https://github.com/ircmaxell/PHP-CryptLib