150         $rows = $this->buildRows($helper);
151         if ($rows === []) {
159         foreach ($rows as $r) {
172         $shown = $this->applyFilters($rows, $filters);
307         $rows = [];
317             $rows[] = [
325         return $rows;
355      * @param array $rows
359     protected function applyFilters(array $rows, array $filters)  argument
362             return $rows;
365         return array_values(array_filter($rows, function ($row) use ($term) {
392      * @param array  $rows
397     protected function sortRows(array $rows, $sort, $dir)  argument
399         usort($rows, static function ($a, $b) use ($sort) {
411             $rows = array_reverse($rows);
413         return $rows;
419      * @param array $rows    filtered + sorted rows
424     protected function paginate(array $rows, $perPage)  argument
427         $total = count($rows);
430             return [$rows, 1, 1, $total > 0 ? 1 : 0, $total];
443         $slice  = array_slice($rows, $offset, $perPage);