public function handleAction() { $title = filter_input(INPUT_POST, 'title', FILTER_SANITIZE_STRING); $user = $_SESSION['user']; $model = new IrisModel(); if ($title == NULL || $title == FALSE) { $journals = $model->getJournals($user['uid']); $error = 'Must enter a valid string.'; include 'pages/add_journal.php'; } else { $error = ''; $model->addJournal($user['uid'], $title); $journals = $model->getJournals($user['uid']); include 'pages/user-home.php'; } }