query("SELECT * FROM posts WHERE status = 'published' ORDER BY created_at DESC")->fetchAll(); $this->view('blog/index', ['posts' => $posts]); } public function detail($params) { $slug = $params['slug']; $db = db_pdo(); $stmt = $db->prepare("SELECT * FROM posts WHERE slug = ? AND status = 'published'"); $stmt->execute([$slug]); $post = $stmt->fetch(); if (!$post) { $this->view('404'); return; } $this->view('blog/detail', ['post' => $post]); } }