How to jump to the previous page in php

How to implement php to jump to the previous page: 1. Use the "history.back();" method to realize the jump; 2. Use the "javascript:window.location.hre" method to realize the jump; 3. , use the "location.href" method to jump to the previous page.

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php implementation to return to the previous page

//php实现返回上一个页面不刷新
<?php
    echo "<script>alert(&#39;退出成功!&#39;);history.back();</script>";
?>
 
 
//返回上一个页面并刷新,只是吧当前页面的url替换成上一个页面而已
</php
    echo "javascript:window.location.href=document.referrer;";
?>
//或者
echo "<script>alert(&#39;退出成功!&#39;);location.href=&#39;".$_SERVER["HTTP_REFERER"]."&#39;;</script>";

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