是否可以在没有编码的情况下在 PHP $_GET vars 中保留加号?
假设我请求此 URL:
Say I request this URL:
http://mydomain.com/script.php?var=2+2
$_GET['var'] 现在将是:2 2"，它应该是2+2"
$_GET['var'] will now be: "2 2" where it should be "2+2"
显然我可以在发送之前对数据进行编码然后解码，但我想知道这是否是唯一的解决方案.我也可以用加号替换空格，但我也想允许空格.我只想要传递的任何字符，而无需进行任何 url 解码或编码.谢谢！
Obviously I could encode the data before sending and then decode it, but I'm wondering if this is the only solution. I could also replace spaces with plus symbols, but I want to allow spaces as well. I simply want whatever characters were passed, without any url decoding or encoding going on. Thank you!
推荐答案
当然.你可以读出 $_SERVER["QUERY_STRING"]，自己分解，然后放弃通常的 URL 解码，或者只将 %xx 占位符转换回来.
Of course. You could read out $_SERVER["QUERY_STRING"], break it up yourself, and then forgo the usual URL decoding, or only convert %xx placeholders back.
preg_match_all('/(w+)=([^&]+)/', $_SERVER["QUERY_STRING"], $pairs);
$_GET = array_combine($pairs[1], $pairs[2]);
(示例仅适用于字母数字参数，不进行上述 %xx 解码.只需分解原始输入.)
(Example only works for alphanumeric parameters, and doesn't do the mentioned %xx decoding. Just breaks up the raw input.)
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