public function posts_of_user($orderby = 'ORDER BY post_on DESC', $limit = 0) { if ($this->is_admin()) { $post = new post($this->db); $post->posts_of_user(array('user_id' => $this->user_id), 0, $orderby, $limit); if (mysqli_num_rows($post->r) > 0) { $this->post = $post->r; return true; } else { return false; } } else { return false; } }