| protected _prepareAttribute ( Mage_Eav_Model_Entity_Attribute $attribute ) : Mage_Eav_Model_Entity_Attribute | ||
| $attribute | Mage_Eav_Model_Entity_Attribute | |
| return | Mage_Eav_Model_Entity_Attribute | |
protected function _prepareAttribute($attribute)
{
$attribute = parent::_prepareAttribute($attribute);
$attribute->setIsFilterable(Mage_Catalog_Model_Layer_Filter_Attribute::OPTIONS_ONLY_WITH_RESULTS);
return $attribute;
}