Фильтрация ссылкой - Разработки и улучшения

$category->getDescription();

		If ($_GET['extra_fields']){
			$EFGet = JRequest::getString('extra_fields');
			$ExtraFieldsGet = Explode(",", $EFGet);
			If (Count($ExtraFieldsGet)){
				$_ExtraFields = &JTable::getInstance('productfieldvalue', 'jshop');
				$AllExtraFields = $_ExtraFields->getAllList();
				$ListExtraField = Array();
				ForEach($AllExtraFields As $ExtraField){
					$ListExtraField[$ExtraField->id] = $ExtraField->field_id;
				}
				$FilterExtraFields = Array();
				ForEach($ExtraFieldsGet As $ExtraFieldGet){
					$FilterExtraFields[$ListExtraField[$ExtraFieldGet]][] = $ExtraFieldGet;
				}
				JRequest::setVar('extra_fields', $FilterExtraFields, 'POST');
			}
		}

$filters = getBuildFilterListProduct($contextfilter, array());

		If ($_GET['extra_fields']){
			$ExtraFieldsGet = Explode(",", $_GET['extra_fields']);
			If (Count($ExtraFieldsGet)){
				$_ExtraFields = &JTable::getInstance('productfieldvalue', 'jshop');
				$AllExtraFields = $_ExtraFields->getAllList();
				$ListExtraField = Array();
				ForEach($AllExtraFields As $ExtraField){
					$ListExtraField[$ExtraField->id] = $ExtraField->field_id;
				}
				$FilterExtraFields = Array();
				ForEach($ExtraFieldsGet As $ExtraFieldGet){
					$FilterExtraFields[$ListExtraField[$ExtraFieldGet]][] = $ExtraFieldGet;
				}
				$filters['extra_fields'] = $FilterExtraFields;
			}
		}

$category->getDescription();

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  foreach($products as $key =>$value){