protected function _prepareFacetConditions($facetFields) { $result = parent::_prepareFacetConditions($facetFields); if (isset($result['facet']) && $result['facet'] == 'on' && ($limit = Mage::getStoreConfig('mana_filters/general/solr_limit')) && is_numeric($limit)) { $result['facet.limit'] = (int) $limit; } return $result; }