{
public function bf();
}
interface c
{
public function cf();
}
class x implements a, b, c
{
public function af()
{
echo 'af<br/>';
}
public function aaf()
{
echo 'aaf<br/>';
}
public function bf()
{
echo 'bf<br/>';
}
public function cf()
{
echo 'cf<br/>';
}
}
$xy = new x();
$xy->af();
$xy->aaf();
$xy->bf();
$xy->cf();
