/**
* For encrypting.
*
* @access public
* @static
* @param string $data Raw data.
* @param string $salt Secret key.
* @return mixed Encrypted data or FALSE on empty string.
*/
public static function encrypt($data, $salt)
{
if ((string) $data === '') {
return false;
}
$obj = new self($salt);
return $obj->_encrypt($data);
}
