install/qcubed.inc.php
<?php
$configPath = "project/includes/configuration";
if (!defined ('__PREPEND_INCLUDED__')) { // not already included some other way (like with .htaccess file)
if (isset($__CONFIG_ONLY__) && $__CONFIG_ONLY__ == true) {
require_once($configPath . '/configuration.inc.php');
} else {
require_once($configPath . '/prepend.inc.php');
}
}