<form method="POST">
    <h3>Editing: AcalenderController.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\File;
use App\Models\Admin\Acalender;
use Session;

class AcalenderController extends Controller
{
    public function Calender(){
        $calenders = Acalender::whereId(1)-&gt;first();
        return view('admin.calender.index',compact('calenders'));
    }

    public function Acalender(Request $request){
        $calenders = Acalender::findOrFail(1);
        $calenders-&gt;title = $request-&gt;title;
         if ($request-&gt;hasFile('image')) {
            $file = $request-&gt;file('image');
            $destination = 'public/uploads/'. $calenders-&gt;image;
            if (File::exists($destination)) {
                File::delete($destination);
            }
            $extension = $file-&gt;getClientOriginalExtension();
            $filename = time() .'.'. $extension;
            $file-&gt;move('public/uploads/',$filename);
            $calenders-&gt;image=$filename;
        }
        Session::flash('msg', 'Updated Success');
        $calenders-&gt;save();
        return redirect()-&gt;back();

    }
}
</textarea><br>
    <input type="submit" value="Save">
</form>