$memcached = new Memcache;<br> $memcached ->connect( 'localhost' , 11211);<br><br> $key = 'key_' . $userid ;<br> $privateKey = $memcached ->get( $key );<br> if ( empty ( $privateKey ) {<br> $privateKey = random(16);<br> $memcached ->set( $key , $privateKey );<br>}<br><br> $security = xxtea::encrypt( $security , $privateKey );<br>setcookie( 'security' , $security , 2592000); |