public function eliminarCarga() { try { $idSalon = isset($_POST['idSalon']) ? $_POST['idSalon'] : NULL; $idMateria = isset($_POST['idMateria']) ? $_POST['idMateria'] : NULL; echo json_encode($idSalon); $c = new Carga(); $c->eliminarCarga($idSalon, $idMateria); echo json_encode(1); } catch (Exception $exc) { echo json_encode('Error de aplicacion: ' . $exc->getMessage()); } }