function add_case() { $title = filter_input(INPUT_POST, 'title'); $description = filter_input(INPUT_POST, 'description'); $userId = $this->session->get('userId'); // Check if both parameters are present if ($title === NULL || $description === NULL) { show_error("Missing post parameters"); } $this->load->model('CaseModel'); $case = new CaseModel(); $case->setTitle($title); $case->setDescription($description); $case->add($userId); $this->location('/'); }