public function store(Request $request)
store Function : Through store Function Currency data is saved in state table
public function lookup(Request $request)
Lookup Function: Lookup Function generates the Currency Report
public function show(Currency$currency)
Show Function : In the View Mode of Currency form, the Show function displays all details of the Currency form.
public function edit(Currency $currency)
edit Function : You can edit the entire details of the Currency form when editing in edit mode by using the Edit Function
public function destroy(Currency$currency)
destroy Function : The Destroy Function allows the deletion of all Currency form details
public function validation($request, $id = null)
validation Function : Data is validated before saving using this function.