/** * System method. Don't call it. * * @param BOL_MenuItem $el1 * @param BOL_MenuItem $el2 */ public function sortObjectListByAsc(BASE_MenuItem $el1, BASE_MenuItem $el2) { if ($el1->getOrder() === $el2->getOrder()) { return 0; } return $el1->getOrder() > $el2->getOrder() ? 1 : -1; }