<?php if ($_SERVER["REQUEST_METHOD"] !== 'POST') { http_response_code(405); exit; } require_once 'includes/data_access.php'; $json = json_decode(file_get_contents('php://input')); $session_id = $json->session_id; $level_id = $json->level_id; $data_access = new DataAccess(); $session_level_id = $data_access->begin_level($session_id, $level_id); header('Content-Type: application/json'); echo json_encode(array('session_level_id' => $session_level_id));