laravel crear o actualizar
// 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 crear modelo
# The easiest way to create a model instance is using the
# make:model Artisan command:
php artisan make:model Flight
# If you would like to generate a database migration when you
# generate the model, you may use the --migration or -m option:
php artisan make:model Flight --migration
php artisan make:model Flight -m
laravel eloquent consigue primero
// return first row by id
$user = App\User::where('id',$id)->first();
// or return directly a field
$userId = App\User::where(...)->pluck('id');
laravel crear en el modelo
$user = User::create([
'first_name' => 'Taylor',
'last_name' => 'Otwell',
'title' => 'Developer',
]);
$user->title = 'Painter';
$user->isDirty(); // true
$user->isDirty('title'); // true
$user->isDirty('first_name'); // false
$user->isClean(); // false
$user->isClean('title'); // false
$user->isClean('first_name'); // true
$user->save();
$user->isDirty(); // false
$user->isClean(); // true
modelo laravel:: consulta
// Eloquent's Model::query() returns the query builder
Model::where()->get();
// Is the same as
Model::query()->where()->get();
Model::query();
// Can be useful to add query conditions based on certain requirements
// See https://stackoverflow.com/questions/51517203/what-is-the-meaning-of-eloquents-modelquery