在 PHP 中获取上一个 URL 路径

Get previous URL path in PHP

这个我试过了 <?php $previous_page = $_SERVER['HTTP_REFERER']; ?>

结果是http://localhost/index.php

怎么才能只得到index.php

$previous_page = $_SERVER['HTTP_REFERER'];
$path_parts = pathinfo($previous_page);
$result = $path_parts['basename']; //index.php

https://www.php.net/manual/en/function.pathinfo.php