static function lock($string, $key = null) {
        return openssl_encrypt($string, self::_getSecMethod(), Utils::spare($key, self::_geteSecKey()), false, self::_getSecIv());
    }
static function lock($string, $key = null) {
        return openssl_encrypt($string, self::_getSecMethod(), Utils::spare($key, self::_geteSecKey()), false, self::_getSecIv());
    }
static function lock ( $ string , $ key = null ) { return openssl_encrypt ( $ string , self :: _getSecMethod ( ) , Utils :: spare ( $ key , self :: _geteSecKey ( ) ) , false , self :: _getSecIv ( ) ) ; }
Encrypts values passed

@param   string  $string     String to be encoded.
@param   string  $key        Passphrase

@return  string
Encrypts values passed