laravel/framework — pull request #6490 by Flightfreak (2014-11-25 12:01:14+00:00)
Title: Addition of dynamic properties on Eloquent collections

This would allow the same type of dynamic properties on a collection as currently available on the model.

```php
$registrations = Car::all()->resgistration;

$names = Car::all()->users->collapse()->unique()->name;
```