whereHas in laravel query code example

Example 1: laravel wherehas

$users = User::whereHas('posts', function($q){
    $q->where('created_at', '>=', '2015-01-01 00:00:00');
})->get();
// only users that have posts from 2015 on forward are returned

Example 2: wherehas laravel search

->whereHas('translation', function ($query) use ($name){
                    $query->where('name', 'like', $name);
                }, '>=', 10)