json,{, "ping": "小于等于80毫秒",},
``php,$pdo = new PDO('mysql:host=localhost;dbname=test', 'username', 'password');,$stmt = $pdo>prepare("SELECT * FROM users WHERE age > ?");,$stmt>execute([25]);,$results = $stmt>fetchAll();,
``Powered By Z-BlogPHP 1.7.3
Copyright Your WebSite.Some Rights Reserved.