这么写是不是脱裤子放屁

WBOY
Release: 2016-06-13 12:20:12
Original
928 people have browsed it

这样写是不是脱裤子放屁啊
看到一段代码是这样写的
$site_url = strtolower('http://'.$_SERVER['HTTP_HOST'].substr($_SERVER['PHP_SELF'], 0, strrpos($_SERVER['PHP_SELF'], '/index.php')).'/shop/index.php');
然后我试了一下,
其实把红色部分去掉也是一样,但我不明白他为啥要脱裤子放屁呢
$site_url = strtolower('http://'.$_SERVER['HTTP_HOST'].substr($_SERVER['PHP_SELF'], 0, strrpos($_SERVER['PHP_SELF'], '/index.php')).'/shop/index.php');

------解决思路----------------------

不知道你是从哪里看到的代码,也不知道其真实的目的
但绝不是“脱裤子放屁”的问题
去掉了就是这样

怎么能说是一样的呢?

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