Anons79 Mini Shell

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use DB;
use Session;

class shippingchargescontroller extends Controller
{
    //
    public function shipping_charges(){
        $charges=DB::Table('shipping_charges')->get();
        return view('admin.shipping_charges.list',array('charges'=>$charges));
    }
    public function add_shipping_charge(){
        return view('admin.shipping_charges.add');
    }
    public function insert_shipping_charge(Request $request){
        $data=array(
            'range_from'=>$request['range_from'],
            'range_to'=>$request['range_to'],
            'amount'=>$request['amount'],
        );

        DB::Table('shipping_charges')->insert($data);

        Session::flash('msg', 'Shipping Charge has been added');
        return redirect('shipping_charges');
    }
    public function edit_shipping_charge($charge_id){
      $charges=DB::Table('shipping_charges')->where('shipping_charge_id',$charge_id)->get();
      return view('admin.shipping_charges.edit',array('charges'=>$charges));
    }
    public function update_shipping_charge(Request $request){
        $data=array(
            'range_from'=>$request['range_from'],
            'range_to'=>$request['range_to'],
            'amount'=>$request['amount'],
        );

        DB::Table('shipping_charges')->where('shipping_charge_id',$request['shipping_charge_id'])->update($data);

        Session::flash('msg', 'Shipping Charge has been Updated');
        return redirect('shipping_charges');
    }
    public function delete_shipping_charge($shipping_charge_id){
        DB::Table('shipping_charges')->where('shipping_charge_id',$shipping_charge_id)->delete();

        Session::flash('msg2', 'Shipping Charge has been Deleted');
        return redirect('shipping_charges');
    }
}