(PHP 4, PHP 5)
mcrypt_ofb — Encrypts/decrypts data in OFB mode
The first prototype is when linked against libmcrypt 2.2.x, the
second when linked against libmcrypt 2.4.x or higher. The
mode should be either
This function was DEPRECATED in PHP 5.5.0, and REMOVED as of PHP 7.0.0.