(PHP 4, PHP 5)
mcrypt_cfb — Encrypts/decrypts data in CFB mode
This function was DEPRECATED in PHP 5.5.0, and REMOVED in PHP 7.0.0.
Alternatives to this function include:
$cipher
, string $key
, string $data
, int $mode
, string $iv
)$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. The
mode
should be either
MCRYPT_ENCRYPT
or
MCRYPT_DECRYPT
.