помогите поправить ошибку:amp;lt;?php    mysqli = false; function connectDB()  global

Помогите исправить ошибку:

lt;?php mysqli = false; function connectDB() global mysqli; mysqli = new mysqli("localhost", "root", "", "mysite-local"); mysqli-gt;query("SET NAMES 'utf8'"); function getAllArticles() global mysqli; connectDB(); result_set = mysqli-gt;query("SELECT * FROM articles"); closeDB(); return resultSetToArray(result_set); function getALLGuestBookComments() global mysqli; connectDB(); result_set = mysqli-gt;query("SELECT * FROM guestbook"); closeDB(); return resultSetToArray(result_set); function addGuestBookComment(name, comment) global mysqli; connectDB(); success = mysiqli-gt;query("INSERT INTO guestbook (name, comment) VALUES ('name', 'comment')"); closeDB(); return success; function getArticle(id) global mysqli; connectDB(); result_set = mysqli-gt;query("SELECT * FROM articles WHERE id='id'"); closeDB(); return result_set-gt;fetch_assoc(); function resultSetToArray(result_set) array = array(); while ((row = result_set-gt;fetch_assoc()) != false) array[] = row; return array; function closeDB() global mysqli; mysqli-gt;close(); ?gt;