how to practice laravel code example

Example 1: Laravel best practices

$post = Post::find(1);$post->comments()->saveMany([ new Comment(['message' => 'First comment']), new Comment(['message' => 'Second comment']),]);

Example 2: laravel best practices tutorial

class User extends Model
{
    public function phone()
    {
        return $this->hasOne('App\Phone');
    }
}