How to output the url after jump in php

How to output the URL after the jump in php: 1. Get the URL after the jump through "curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);"; 2. Through "curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET' );" just get and use the echo output.

The operating environment of this tutorial: Windows 10 system, PHP version 8.1, DELL G3 computer

How to output php after the jump url?

php gets the URL after the jump, use curl

Method 1:

$url = 'http://www.baidu.com/link?url=77I2GJqjJ4zBBpC8yDF8xDhiqDSn1JZjFWsHhEoSNd85PkV8Xil-rckpQ8_kjGKNNq';
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_NOBODY, 1);// 不需要页面内容
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);// 不直接输出
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);// 返回最后的Location
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');//有时需要这个功能
curl_setopt($ch, CURLOPT_MAXREDIRS, 3);//限定只能抓取跳转3次以内的网址
curl_exec($ch);
$info = curl_getinfo($ch,CURLINFO_EFFECTIVE_URL);
curl_close($ch);
echo $info;

Method 2:

$ch=  curl_init("http://www.baidu.com");
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($ch, CURLOPT_AUTOREFERER, 1);
curl_setopt($ch, CURLOPT_NOBODY, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'GET');//有时需要这个功能
curl_exec($ch);
$aaa = curl_getinfo($ch, CURLINFO_EFFECTIVE_URL);
curl_close($ch);
echo $aaa;

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