laravel on model create code example

Example 1: laravel updateOrCreate

// If there's a flight from Oakland to San Diego, set the price to $99.
// If no matching model exists, create one.
$flight = App\Flight::updateOrCreate(
    ['departure' => 'Oakland', 'destination' => 'San Diego'],
    ['price' => 99, 'discounted' => 1]
);

Example 2: model observer laravel

namespace App;

use Illuminate\Database\Eloquent\Model;

class Post extends Model
{
    protected $table = 'posts';

    protected $fillable = ['title', 'slug', 'content'];

    protected static function boot()
    {
        parent::boot();
        static::saving(function ($model) {
            $model->slug = str_slug($model->title);
        });
    }
}