traits и члены класса

trait MyTrait
{
    public $traitVar = 'trait var';
 
    public function test()
    {
        echo $this->traitVar;
        echo $this->classVar;
    }
}
 
class MyClass
{
    private $classVar = 'class var';
    use MyTrait;
}
 
$c = new MyClass();
$c->test();
echo $c->traitVar;