Answers for "Passing values to blade using redirect() and back() functions"

Passing values to blade using redirect() and back() functions

return redirect()->back()->with([
       'fee' => $fee, 
       'vat' => $vat, 
       'Transaction_vat' => $Transaction_vat
]);

Passing values to blade using redirect() and back() functions

return redirect()->back()->with('fee', $fee)
        ->with('vat', $vat)
        ->with('Transaction_vat', $Transaction_vat);