<?php

if (!defined('APP_DIR')) {
  define('APP_DIR',dirname(__DIR__));
}

if (!defined('DB_HOST')) {
  define('DB_HOST','127.0.0.1');
}

if (!defined('DB_NAME')) {
  define('DB_NAME','sqlayer_test');
}

if (!defined('DB_USER')) {
  define('DB_USER','sqlayer_test');
}

if (!defined('DB_PASS')) {
  define('DB_PASS','sqlayer_test');
}

<?php

/**
 * @package SQLayer
 * @version 0.0.3
 * @date    2016-11-08
 * @author  Roderic Linguri <linguri@digices.com>
 * @license MIT
 */

/** Main Configuration File **/

if (!defined('APP_DIR')) {
  define('APP_DIR',dirname(__DIR__));
}

Add comments, remove constant definitions
Add comments, remove constant definitions