各浏览器的USER-AGENGT收集（自己用）

PHP代码查看浏览器UA(USER-AGENT)

<?php 
echo $_SERVER['HTTP_USER_AGENT'];
?>

IE:
Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko
Microsoft Edge:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Safari/537.36 Edge/12.10240
Firefox:
Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0