Memcache Example

$post_id = (int) $_GET['post_id'];
$memcached = new Memcache;
$memcached->connect('localhost', 11211);
if (($row = $memcached->get('post_id_' . $post_id)) === false) {
    echo 'Init cache
';
    $rs = mysql_query('SELECT * FROM post WHERE post_id = ' . $post_id);
    if ($rs && mysql_num_rows($rs) > 0) {
        $row = mysql_fetch_assoc($rs);
        // cache compressed for 1 hour
        $memcached->set('post_id_' . $post_id, $row, MEMCACHE_COMPRESSED, time() + 3600);
    }
} else {
    echo 'Loaded from cache
';
}
var_dump($row);