如何从URL字符串获取参数? [英] How to get parameters from a URL string?
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问题描述
我有一个HTML表单字段$_POST["url"]，具有一些URL字符串作为值.
值示例为:
I have a HTML form field $_POST["url"] having some URL strings as the value.
Example values are:
https://example.com/test/1234?email=xyz@test.com
https://example.com/test/1234?basic=2&email=xyz2@test.com
https://example.com/test/1234?email=xyz3@test.com
https://example.com/test/1234?email=xyz4@test.com&testin=123
https://example.com/test/the-page-here/1234?someurl=key&email=xyz5@test.com
等
如何从这些URL/值中仅获取email参数?
How can I get only the email parameter from these URLs/values?
请注意，我没有从浏览器地址栏中获取这些字符串.
Please note that I am not getting these strings from browser address bar.
推荐答案
您可以使用 parse_str()
You can use the parse_url() and parse_str() for that.
$parts = parse_url($url);
parse_str($parts['query'], $query);
echo $query['email'];
如果要使用PHP动态获取$url，请查看以下问题:
If you want to get the $url dynamically with PHP, take a look at this question:
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