<form method="POST">
    <h3>Editing: GalleryController.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\Offer;
use App\Models\Admin\Paybill;
use App\Models\Admin\Gallerie;
use Session;

class GalleryController extends Controller
{
    //offers
    public function Showoffer(){
        $offers=Offer::paginate(4);
        return view('admin.offers.index',compact('offers'));
    }

    public function Addoffer(Request $request){
        $request-&gt;validate([
            'title' =&gt; 'required',
            'image' =&gt; 'required',
        ]);

        $image = $request-&gt;file(&quot;image&quot;);
        $img_name = time() .'.'. $image-&gt;getClientOriginalExtension();
        $request-&gt;image-&gt;move(public_path('uploads'), $img_name);
        $img_url = $img_name;

        Offer::insert([
            'title' =&gt; $request-&gt;title,
            'image' =&gt; $img_url,
        ]);
        Session::flash('msg','Data Added Success');
        return redirect()-&gt;back();
    }

    public function Editoffer($id){
        $offers=Offer::find($id);
        return view('admin.offers.edit',compact('offers'));
    }

    public function Updateoffer(Request $request,$id){
        $offers=Offer::find($id);
        $offers-&gt;title = $request-&gt;title;
         if ($request-&gt;hasFile('image')) {
            $file = $request-&gt;file('image');
            $extension = $file-&gt;getClientOriginalExtension();
            $filename = time() . '.' . $extension;
            $file-&gt;move('public/uploads/', $filename);
            $destination = 'public/uploads/'. $offers-&gt;image;
            if (File::exists($destination)) {
                File::delete($destination);
            }
            $offers-&gt;image=$filename;
        }

        $offers-&gt;update();
        Session::flash('msg','Data Updated Success');
        return redirect('/show-offer');
    }

    public function Deleteoffer($id){
        $offers=Offer::find($id);
        $destination='public/uploads/'.$offers-&gt;image;
        if (File::exists($destination)) {
            File::delete($destination);
        }
        Offer::find($id)-&gt;delete();
        Session::flash('msg','Data Deleted Success');
        return redirect()-&gt;back();

    }


    //paybill
    public function Showpaybill(){
        $paybills=Paybill::paginate(4);
        return view('admin.paybill.index',compact('paybills'));
    }

    public function Addpaybill(Request $request){
        $request-&gt;validate([
            'title' =&gt; 'required',
            'image' =&gt; 'required',
        ]);

        $image = $request-&gt;file(&quot;image&quot;);
        $img_name = time() .'.'. $image-&gt;getClientOriginalExtension();
        $request-&gt;image-&gt;move(public_path('uploads'), $img_name);
        $img_url = $img_name;

        Paybill::insert([
            'title' =&gt; $request-&gt;title,
            'image' =&gt; $img_url,
        ]);
        Session::flash('msg','Data Added Success');
        return redirect()-&gt;back();
    }

    public function Editpaybill($id){
        $paybills=Paybill::find($id);
        return view('admin.paybill.edit',compact('paybills'));
    }

    public function Updatepaybill(Request $request,$id){
        $paybills=Paybill::find($id);
        $paybills-&gt;title = $request-&gt;title;
         if ($request-&gt;hasFile('image')) {
            $file = $request-&gt;file('image');
            $extension = $file-&gt;getClientOriginalExtension();
            $filename = time() . '.' . $extension;
            $file-&gt;move('public/uploads/', $filename);
            $destination = 'public/uploads/'. $paybills-&gt;image;
            if (File::exists($destination)) {
                File::delete($destination);
            }
            $paybills-&gt;image=$filename;
        }

        $paybills-&gt;update();
        Session::flash('msg','Data Updated Success');
        return redirect('/show-paybill');
    }

    public function Deletepaybill($id){
        $paybills=Paybill::find($id);
        $destination='public/uploads/'.$paybills-&gt;image;
        if (File::exists($destination)) {
            File::delete($destination);
        }
        Paybill::find($id)-&gt;delete();
        Session::flash('msg','Data Deleted Success');
        return redirect()-&gt;back();

    }

    //Gallery
    public function Showgallery(){
        $gallerys=Gallerie::paginate(4);
        return view('admin.gallery.index',compact('gallerys'));
    }

    public function Addgallery(Request $request){
        $request-&gt;validate([
            'title' =&gt; 'required',
            'image' =&gt; 'required',
        ]);

        $image = $request-&gt;file(&quot;image&quot;);
        $img_name = time() .'.'. $image-&gt;getClientOriginalExtension();
        $request-&gt;image-&gt;move(public_path('uploads'), $img_name);
        $img_url = $img_name;

        Gallerie::insert([
            'title' =&gt; $request-&gt;title,
            'details' =&gt; $request-&gt;details,
            'image' =&gt; $img_url,
        ]);
        Session::flash('msg','Data Added Success');
        return redirect()-&gt;back();
    }

    public function Editgallery($id){
        $gallerys=Gallerie::find($id);
        return view('admin.gallery.edit',compact('gallerys'));
    }

    public function Updategallery(Request $request,$id){
        $gallerys=Gallerie::find($id);
        $gallerys-&gt;title = $request-&gt;title;
        $gallerys-&gt;details = $request-&gt;details;
         if ($request-&gt;hasFile('image')) {
            $file = $request-&gt;file('image');
            $extension = $file-&gt;getClientOriginalExtension();
            $filename = time() . '.' . $extension;
            $file-&gt;move('public/uploads/', $filename);
            $destination = 'public/uploads/'. $gallerys-&gt;image;
            if (File::exists($destination)) {
                File::delete($destination);
            }
            $gallerys-&gt;image=$filename;
        }

        $gallerys-&gt;update();
        Session::flash('msg','Data Updated Success');
        return redirect('/show-gallery');
    }

    public function Deletegallery($id){
        $gallerys=Gallerie::find($id);
        $destination='public/uploads/'.$gallerys-&gt;image;
        if (File::exists($destination)) {
            File::delete($destination);
        }
        Gallerie::find($id)-&gt;delete();
        Session::flash('msg','Data Deleted Success');
        return redirect()-&gt;back();

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