scope function in laravel code example

Example 1: how to create model in laravel

php artisan make:model Flight

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);
        });
    }
}

Example 3: laravel scope

public function apply(Builder $builder, Model $model)
    {
        $builder->where('age', '>', 200);
    }

Example 4: laravel scope query

$model = App\Models\Flight::where('legs', '>', 100)
            ->firstOr(['id', 'legs'], function () {
                // ...
            });