ldc-gen-game-web/app/Http/Controllers/bo/ContentController.php

<?php

namespace App\Http\Controllers\bo;

use App\Http\Controllers\Controller;
use App\Models\Content;
use Illuminate\Http\Request;

class ContentController extends Controller
{
    public function manage($id, Request $request)
    {
        $content = Content::findOrFail($id);

        if ($_SERVER['REQUEST_METHOD'] === 'POST') {
            $value          = $request->value;
            $content->value = $value;
            $content->save();

            return redirect()->route('bo.content', $content->id)->with('success', 'Enregistré !');
        }

        return view('bo.content.manage', compact('content'));
    }
}