Description
string
mcrypt_cfb ( int cipher, string key, string data, int mode, string iv)
string
mcrypt_cfb ( string cipher, string key, string data, int mode [, string iv])
The first prototype is when linked against libmcrypt 2.2.x, the
second when linked against libmcrypt 2.4.x or higher.
This function should not be used anymore, see
mcrypt_generic() and
mdecrypt_generic() for replacements.
