php 如何将“+”加号替换为其对应的“%2B”网址编码？
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How can I replace the "+" plus sign with its corresponding url encoding of "%2B"?
提问by Ronedog
I'm having some trouble replacing the "+" sign with its urlencoded string of "%2B". How can I do this?
我在用“%2B”的 urlencoded 字符串替换“+”号时遇到了一些麻烦。我怎样才能做到这一点？
This is what I've tried:
这是我尝试过的：
Text Entered into text box:
在文本框中输入的文本：
plus(+)
I then urlencode the string:
然后我对字符串进行 urlencode：
$string = urlencode($string);
String now looks like:
字符串现在看起来像：
plus%28+%29
I want to have the "+" urlencoded, or else when I urldecode() the data to display in browser I end up with:
我想对“+”进行 urlencoded，否则当我 urldecode() 要在浏览器中显示的数据时，我最终会得到：
plus( )
because urldecode() interprets the "+" to be a space.
因为 urldecode() 将“+”解释为空格。
I tried using php's str_replace() but I keep getting a "NULL" returned as the value for "$new_string":
我尝试使用 php 的 str_replace() 但我不断得到一个“NULL”作为“$new_string”的值返回：
$new_string = str_replace('+', '%2B', $string);
Any ideas?
有任何想法吗？
Thanks in advance!
提前致谢！
回答by John Kugelman
That is strange. When I use urlencodeon plus(+)I get plus%28%2B%29. Make sure you're using it correctly.
这很奇怪。当我使用urlencodeonplus(+)我得到plus%28%2B%29. 确保您正确使用它。
You might also try rawurlencode. It will encode spaces as %20instead of +.
你也可以试试rawurlencode。它将编码空格%20而不是+.
回答by Norman Huth
That helped me:
这对我有帮助：
function _rawurlencode($string) {
$string = rawurlencode(str_replace('+','%2B',$string));
return $string;
}
