Beispiel #1
0
--FILE--
<?php 
error_reporting(E_ALL);
abstract class Base
{
    public abstract function sayHello(array $a);
}
class SubClass extends Base
{
    public function sayHello(array $a)
    {
        echo "World!\n";
    }
}
$s = new SubClass();
$s->sayHello(array());
trait SayWorld
{
    public function sayHello(Base $d)
    {
        echo 'World!';
    }
}
class MyHelloWorld extends Base
{
    use SayWorld;
}
$o = new MyHelloWorld();
$o->sayHello(array());
?>
--EXPECTF--