public function process(array $values)
    {
        $results = [];

        foreach ($values as $value) {
            $results = array_merge($results,
                $this->getSolrRootlineForCategoryId($value));
        }

        return $results;
    }
public function process(array $values)
    {
        $results = [];

        foreach ($values as $value) {
            $results = array_merge($results,
                $this->getSolrRootlineForCategoryId($value));
        }

        return $results;
    }
public function process ( array $ values ) { $ results = [ ] ; foreach ( $ values as $ value ) { $ results = array_merge ( $ results , $ this -> getSolrRootlineForCategoryId ( $ value ) ) ; } return $ results ; }
Expects a uid ID of a category. Returns a Solr hierarchy notation for the
rootline of the category ID.

@param array $values Array of values, an array because of multivalued fields
@return array Modified array of values
Expects a uid ID of a category . Returns a Solr hierarchy notation for the rootline of the category ID .