<?php define('DS', DIRECTORY_SEPARATOR); // separator define('ROOT', dirname(__FILE__)); //root directory require_once ROOT . DS . 'config' . DS . 'config.php'; //config for db require_once ROOT . DS . 'classes' . DS . 'autoload.php'; //autoload the file name to be used $isave = 0; if (isset($_POST['cases'])) { $case = $_POST['cases']; $obj = new Model(); switch ($case) { case 1: //ajax request random quotes echo json_encode($obj->getQuotes()); break; case 2: //ajax request accel selected by node $id = $_POST['id']; echo json_encode($obj->getSelectedNode($id)); break; } }