PHP如何检测手机是什么系统？PHP如何通过UserAgent判断智能手机系统(设备,Android,IOS系统)？auto.php========================================================================header("Content-type:text/html; charset=utf-8");$user_agent = $_SERVER['HTTP_USER_AGENT']; //var_dump($user_agent);if(stristr($_SERVER['HTTP_USER_AGENT'],'Android')) { //echo '你的手机是：Android系统';header('Location: http://www.test.com/wap/android/test_1.3.apk'); }els...