laravel eloquent where in with code example

Example 1: laravel where has

use Illuminate\Database\Eloquent\Builder;

// Retrieve posts with at least one comment containing words like foo%...
$posts = App\Post::whereHas('comments', function (Builder $query) {
    $query->where('content', 'like', 'foo%');
})->get();

// Retrieve posts with at least ten comments containing words like foo%...
$posts = App\Post::whereHas('comments', function (Builder $query) {
    $query->where('content', 'like', 'foo%');
}, '>=', 10)->get();

Example 2: eloquent where in

$users = DB::table('users')->whereIn('id', array(1, 2, 3))->get()

Example 3: where () laravel Eloquent

//los signos de igualdad pueden ser: ">=", "<=", "=", ">", "<"
$user = User::where("estado","=",1)->find(10);