<?php
require_once __DIR__ . '/config.php';
require_once __DIR__ . '/includes/db.php';
$db = DB();
$categories = $db->fetchAll("SELECT * FROM course_categories");
echo "Categories:\n";
print_r($categories);
$courses = $db->fetchAll("SELECT * FROM courses");
echo "\nCourses:\n";
print_r($courses);