网址丢失加号 [英] URL losing plus sign

问题描述

我意识到在URL中，+符号代表一个空格，但是我需要保留加号.我怎样才能做到这一点?我的网址和代码如下:

I realize that in a URL, the + symbol represents a space, however I need to keep the plus sign. How can I do this? My URL and code are as follows:

http://www.example.com/path/test.php?test=2+2

<?php
$test = $_GET['test'];

echo $test;
?>

这将打印出2 2

推荐答案

• 解释为URL中的空格.要使用+，您需要%2B.
• is intepreted as a space in a URL. To use a + you need %2B.

http://example.com/path/test.php?test= 2％2B2

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