Yajra\Datatables\Html\Builder::decodeCallbackFunctions PHP Method

    protected function decodeCallbackFunctions(array $callbackFunctions, $json)
    {
        foreach ($callbackFunctions as $i => $function) {
            $json = str_replace("\"#callback_function.{$i}#\"", $function, $json);
        }
        return $json;
    }