How to make a selection by value from a related table in Laravel?

Question

Laravel

Greetings! There are 3 related tables table1 hasMany table2 hasMany table3, how to select table1 if table3 id=1.

Answer 1

<code lang="php">
$posts = App\Post::whereHas('comments', function ($query) {
    $query->where('id', 1);
})->get();
</code>

https://laravel.com/docs/5.8/eloquent-relationships