<?php session_start(); define("CONST_FILE_PATH", "../includes/constants.php"); include '../classes/WebPage.php'; //Set up page as a web page $thisPage = new WebPage(); //Create new instance of webPage class $dbObj = new Database(); //Instantiate database $coursCatObj = new CourseCategory($dbObj); // Create an object of CourseCategory class $errorArr = array(); //Array of errors //fetch all users header('Content-type: application/json'); echo $coursCatObj->fetch();