insert checkbox value in laravel form and logic

   #insert checkbox value in laravel form and logic

<form method="POST" action="{{ route('insert.checkbox') }}">

     @csrf

     <input type="checkbox" id="vehicle1"  name="checkbox[]" value="Bike">

     <label for="vehicle1"> I have a bike</label><br>

     <input type="checkbox" id="vehicle2"  name="checkbox[]" value="Car">

     <label for="vehicle2"> I have a car</label><br>

     <input type="checkbox" id="vehicle3"  name="checkbox[]" value="Boat">

     <label for="vehicle3"> I have a boat</label><br><br>

     <input type="submit" value="Submit">

</form>  

#insert checkbox logic in laravel

public function checkboxinsert(Request $request)

     {

        $checkbox = $request->checkbox;

        if(is_array($checkbox))

        {

            $checkbox = implode(',', $checkbox);

        }

    $insertcheckbox = new Checkbox();

    $insertcheckbox->checkbox = $checkbox;

    $insertcheckbox->save();

   }