$category_id = (int) $category_id; $query = $pdo->prepare('SELECT * FROM articles WHERE article_category = ? ORDER BY article_id ' . $val); $query->bindValue(1, $category_id); $query->execute(); return $query->fetchAll(); } // fetch article with id number public function fetch_article($id = '1') { global $pdo; $id = (int) $id; $query = $pdo->prepare("SELECT * FROM articles WHERE article_id = ?"); $query->bindValue(1, $id); $query->execute(); return $query->fetchAll(); } } ?> // Simple use cms class <?php $perpage = 44; $page = '1'; $catid = '2'; if (isset($_GET['page'])) { $page = (int) $_GET['page']; } $article = new Cms(); $articles = $article->fetch_all_pagine_cat($catid, $page, $perpage); $cat = $article->fetch_category();