function isMobile(){$user_agent = $_SERVER['HTTP_USER_AGENT'];$mobile_agents = array ('Mobile', 'Android', 'iPhone', 'phone', 'pad', 'pod', 'iPod', 'ios', 'iOS', 'iPad', 'BlackBerry', 'IEMobile', 'MQQBrowser', 'JUC', 'Fennec', 'wOSBrowser', 'BrowserNG', 'WebOS', 'Symbian', 'Windows Phone');$ismobile = false;foreach ($mobile_agents as $device) {if (stristr($user_agent, $device)) {$ismobile = true;break;}}return $ismobile;}$ismobile = ismobile();if($ismobile == false) {echo"电脑端显示";}else {echo"还是看不了";}