1. Go to this page and download the library: Download ecxod/debug library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
<!DOCTYPE html>
<html lang="de_DE">
<head>
<link rel="stylesheet" type="text/css" href="https://ecxample.com/static/css/debug.min.css" as="style">
</head>
/**
D E B U G
*/
if( isMe() ){
$oDEBUG = new \Ecxod\Debug\D;
echo $oDEBUG->debug($_SESSION['lang'], "UTF-8");
unset($oDEBUG);
}