/** * Encrypts a string. * * @param string $text The string to encrypt. * * @return string The ciphertext. * @throws Horde_Crypt_Blowfish_Exception */ public function encrypt($text) { if (!is_string($text)) { throw new Horde_Crypt_Blowfish_Exception('Data to encrypt must be a string.'); } return $this->_crypt->encrypt($text); }