php 面包屑导航怎么写啊？
我的导航时包含在头部文件里的（top.php），然后每个页面都是以include “top.php”的方式引入的。但当我今天想做面包屑导航时发现问题来了，弄不好了，我尝试过用form的形式来发送，然后top.php接收，但那种形式必须要有submit才行，但貌似submit在页面上又不能隐藏，所以不行啦。求解，这个到底该怎么传去啊？
------解决方案--------------------
只需通过对 url 或是说对 path_info 的分析就可以了
------解决方案--------------------
通过url解析，$_SERVER['REQUEST_URL'];和parse_url()函数
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