get_included_files函数

get_included_files可以以数组的形式显示目前引入的所有文件名称

<?php

include 'test1.php';
include_once 'test2.php';
require 'test3.php';
require_once 'test4.php';

$included_files = get_included_files();

foreach ($included_files as $filename) {
    echo "$filename\n";
}

?>

显示为

abc.php
test1.php
test2.php
test3.php
test4.php