查看memcached\redis\pdo_mysql\phpinfo是否正确配置

<?phpecho '<h1>测试memcached连接</h1>';$m = new Memcached();$con = $m->addServer('127.0.0.1', 11211);if ($con) {    $m->set('int', '999', 60);    $m->set('string', 'a simple string');    $m->set('array', array(11, 12));    /* 'object'这个key将在5分钟后过期 */    $m->set('object', new stdclass, 300);    var_dump($m->get('int'));    echo "<hr>";    var_dump($m->get('string'));    echo "<hr>";    echo "<pre>";    print_r($m->get('array'));    echo "</pre>";    echo "<hr>";    var_dump($m->get('object'));    echo "<hr>";    # code...} else {    die('Could not connect to the memcached');}echo '<h1>测试redis连接</h1>';$redis = new Redis();$con = $redis->connect('127.0.0.1', 6379);if ($con) {    echo "Connection to server sucessfully";    $redis->set("tutorial-name", "Redis tutorial");    echo "Stored string in redis:: " . $redis->get("tutorial-name");} else {    die('Could not connect to the redis');}//set the data in redis string// Get the stored data and print itecho '<h1>测试pdo_mysql连接</h1>';$dsn = 'mysql:dbname=mysql;host=192.168.1.xxx;port=3306';$username = 'root';$password = 'xxxx';try {    $pdo = new PDO($dsn, $username, $password);    $pdo->exec('set names utf8');    $pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);} catch (PDOException $e) {    die('Could not connect to the database:' . $e);}$statement = "select * from user";$rows = $pdo->query($statement);print_r($rows->rowCount());foreach ($rows->FetchAll() as $row) {    echo "<pre>";    print_r($row);    echo "</pre>";}phpinfo();