如何确定URL是否在PHP中重定向? [英] How can I determine if a URL redirects in PHP?

问题描述

我看到有人问有关检测URL是否从groovy和perl重定向但在PHP上找不到任何内容的问题.

I saw someone ask a question about detecting if a URL redirects from groovy and perl but couldn't find anything on PHP.

任何人都知道在某个地方可以找到执行此操作的代码吗?

Anyone know of somewhere I could find that code that does this?

推荐答案

实际上，我发现这最有效:

Actually, I found this works best:

    function GetURL($URL)
    {
            $ch = curl_init($URL);

            curl_setopt($ch,CURLOPT_FOLLOWLOCATION,true);


            curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);

            curl_exec($ch);

            $code = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);

            curl_close($ch);

            return $code;
    }

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