homework5

trait MyTalk{
    public function justTalk(){
        echo 'speak from ' . __CLASS__ . '
';
    }
}

class MyClass1{
    use MyTalk;
    public function speak(){
        echo "speak form myclass1" . '
';
    }
}

class MyClass2{
    use MyTalk;
    public function speak(){
        echo "speak form myclass2" . '
';
    }
}

$myClass1 = new MyClass1();
$myClass1->justTalk();
$myClass2 = new MyClass2();
$myClass2->justTalk();

测试结果如下:

图片.png