How to get an array with keys in Laravel through the DB facade, in which the values ​​of the desired uniques. fields?

Question

Laravel

Goodnight.
I can add to the title of the question only that I write the request not through the builder, but with my hands: In the same Kohana, it was possible to solve my question like this:
DB::select("select..", ['foo' => 'bar'])

Database::instance()->query(Database::SELECT, $sql, true)->as_array('id');

Thanks to! :-)

Answer 1

https://laravel.com/docs/5.3/queries#retrieving-results