Chumper\Datatable\Engines\CollectionEngine::doInternalOrder PHP Метод

    private function doInternalOrder()
    {
        if (is_null($this->orderColumn)) {
            return;
        }
        // Bug added on pull request #309
        $column = array_values($this->orderColumn)[0];
        $direction = array_values($this->orderDirection)[0];
        $stripOrder = $this->options['stripOrder'];
        $sortFunction = 'sortBy';
        if ($direction == BaseEngine::ORDER_DESC) {
            $sortFunction = 'sortByDesc';
        }
        $this->workingCollection->{$sortFunction}(function ($row) use($column, $stripOrder) {
            if ($this->getAliasMapping()) {
                $column = $this->getNameByIndex($column[0]);
                return $row[$column];
            }
            if ($stripOrder) {
                return strip_tags($row[$column]);
            } else {
                if (is_array($column)) {
                    return $row[$column[0]];
                }
                return $row[$column];
            }
        });
    }