How to get the real address after jump in php

php method to obtain the jump address: first create a PHP sample code file; then obtain a short address; then obtain the header information through the "get_headers()" function; and finally analyze the jump address. .

PHP gets the real address after the jump

After getting a short connection, you need to convert the short connection into For the real URL, after checking the information, I found that PHP provides a function get_headers(), which can complete this task. First, get the header information, and then analyze the jump address:

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

Result:

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=.baidu.com
            [2] => BIDUPSID=11F195A5E7DFE34FC3BF57618AF40AF5; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=/; domain=.baidu.com
            [3] => PSTM=1561368918; expires=Thu, 31-Dec-37 23:55:55 GMT; max-age=2147483647; path=/; domain=.baidu.com
        )
    [Server] => Array
        (
            [0] => nginx
            [1] => BWS/1.1
        )
    [Location] => http://www.baidu.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.baidu.com

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