CacheTest::_prepareLibmemcached PHP Method

    private function _prepareLibmemcached()
    {
        if (!extension_loaded('memcached')) {
            $this->markTestSkipped('Warning: memcached extension is not loaded');
            return false;
        }
        $memcache = new Memcached();
        $this->assertFalse(!$memcache->addServers(array(array('127.0.0.1', 11211, 1))));
        $memcache->flush();
        sleep(1);
        return $memcache;
    }