$recentcheck=DB::table('recent_convert')->get();
            $rowcount = $recentcheck->count();

            if($rowcount<10){
                 DB::table('recent_convert')->insert(['currency_currency' => $convertion,  'amount'=> $amountval]);

            }else{
                   DB::select( DB::raw("DELETE FROM recent_convert LIMIT 1") );
                   DB::table('recent_convert')->insert(['currency_currency' => $convertion,  'amount'=> $amountval]);

            }