laravel crea o aggiorna
// If there's a flight from Oakland to San Diego, set the price to $99.
// If no matching model exists, create one.
$flight = App\Models\Flight::updateOrCreate(
['departure' => 'Oakland', 'destination' => 'San Diego'],
['price' => 99, 'discounted' => 1]
);
laravel eloquent ottenere primo
// return first row by id
$user = App\User::where('id',$id)->first();
// or return directly a field
$userId = App\User::where(...)->pluck('id');
ricerca di laravel
return Destination::orderByDesc(
Flight::select('arrived_at')
->whereColumn('destination_id', 'destinations.id')
->orderBy('arrived_at', 'desc')
->limit(1)
)->get();