traits.php

<?php

class B
{
    public function Do() { echo "B";}
}

trait T
{
    public function Do() { echo "T";}
}

class C extends B
{
    use T;
    public function Do() { echo "C";}
    
    public function RunParent(){parent::Do();}
    public function Run(){$this->Do();}
}


$cl = new C;
$cl->Run();
$cl->RunParent();