【php类与对象】匿名类

<?phpclass SomeClass {}interface SomeInterface {}trait SomeTrait {}

var_dump(new class(10) extends SomeClass implements SomeInterface {
    private $num;    public function __construct($num)
    {
        $this->num = $num;
    }    use SomeTrait;
});/*
outputs:

object(class@anonymous)#1 (1) {
  ["Command line code0x104c5b612":"class@anonymous":private]=>
  int(10)
}
*/

<?phpclass Outer{
    private $prop = 1;    protected $prop2 = 2;    protected function func1()
    {
        return 3;
    }    public function func2()
    {
        return new class($this->prop) extends Outer {
            private $prop3;            public function __construct($prop)
            {
                $this->prop3 = $prop;
            }            public function func3()
            {
                return $this->prop2 + $this->prop3 + $this->func1();
            }
        };
    }
}echo (new Outer)->func2()->func3(); //6

<?phpecho get_class(new class {});//class@anonymousD:\phpStudy2018\PHPTutorial\WWW\index.php00500020