Answers for "laravel call the function of a model"

call model function in controller laravel

$model = new Model;
$model->func();
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  or 
Model::func() // this function must be static to call it staticly ..

function inside model laravel

class Order extends Model {
    public static function myMethod() {
        return static::query()->where(...)->get(); // example
    }
}

(new Order())->myMethod();
Order::myMethod();