Online PHP editor | output for OLOtB

<?php session_start(); // some sort of user authorization should go here. if (isset($_POST['userContent'])) { // see https://gist.github.com/adrian-enspired/2e03b01fcfff54151864 require 'pdo.php'; require_once 'tools/HTMLPurifier.standalone.php'; $purifier = new HTMLPurifier(HTMLPurifier_Config::createDefault()); $data = [ 'author' => $_SESSION['userId'], 'content' => $purifier->purify($_POST['userContent']) ]; if (isset($_POST['id'])) { $data['contentID'] = $_POST['id']; $stmt = $db->prepare("UPDATE userContent SET content=:content WHERE id=:contentID AND author=:author"); } else { $data['section'] = 1; $stmt = $db->prepare("INSERT INTO userContent (section, author, content) VALUES (:section, :author, :content)"); } $stmt->execute($data); }