php如何获取跳转后的真实地址-PHP问题

php猎取跳转地点的办法：起首创立一个PHP示例代码文件；而后猎取一个短地点；接着经过“get_headers()”函数把头部信息猎取到；最初剖析跳转地点便可。

PHP猎取跳转后的实在地点

猎取到一个短衔接，需求将短衔接转换成实在的网址，经过查材料，发现 PHP 提供了一个函数 get_headers() ，能够实现这个义务，先把 头部信息猎取到，而后再剖析跳转地点便可：

$url = 'http://t.cn/h5mwx';
 $headers = get_headers($url, TRUE);
print_r($headers);
//输入跳转到的网址
echo $headers['Location'];

后果：

Array
(
    [0] => HTTP/1.1 302 Found
    [Date] => Array
        (
            [0] => Mon, 24 Jun 2019 09:35:18 GMT
            [1] => Mon, 24 Jun 2019 09:35:18 GMT
        )
    [Content-Type] => Array
        (
            [0] => text/html;charset=UTF-8
            [1] => text/html
        )
    [Content-Length] => Array
        (
            [0] => 202
            [1] => 14615
        )
    [Connection] => close
    [Set-Cookie] => Array
        (
            [0] => aliyungf_tc=AQAAAAT06182sQMAe4N7dySC5VJrv03L; Path=/; HttpOnly
            [1] => BAIDUID=11F195A5E7DFE34FC3BF57618AF40AF5:FG=1; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=/; domain=.百度.com
            [2] => BIDUPSID=11F195A5E7DFE34FC3BF57618AF40AF5; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=/; domain=.百度.com
            [3] => PSTM=1561368918; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=/; domain=.百度.com
        )
    [Server] => Array
        (
            [0] => nginx
            [1] => BWS/1.1
        )
    [Location] => http://www.百度.com
    [1] => HTTP/1.0 200 OK
    [Accept-Ranges] => bytes
    [Cache-Control] => no-cache
    [Etag] => "5d0888c3-3917"
    [Last-Modified] => Tue, 18 Jun 2019 06:46:27 GMT
    [P3p] => CP=" OTI DSP COR IVA OUR IND COM "
    [Pragma] => no-cache
    [Vary] => Accept-Encoding
    [X-Ua-Compatible] => IE=Edge,chrome=1
)
http://www.百度.com

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