<?php
class A
{
public function gen()
{
var_dump($this);
(yield 1);
(yield 2);
(yield 3);
}
public static function sgen()
{
var_dump(get_called_class());
(yield 4);
(yield 5);
(yield 6);
}
}
$a = new A();
foreach ($a->gen() as $num) {
var_dump($num);
}
foreach (A::sgen() as $num) {
var_dump($num);
}
$class = get_called_class();
(yield $class);
}
public function foo()
{
return self::gen();
}
}
class B extends A
{
}
function t($x)
{
foreach ($x as $v) {
var_dump($v);
}
}
t(B::sgen());
t(B::sfoo());
t(A::sgen());
t(A::sfoo());
t(B::gen());
t(B::foo());
t(A::gen());
t(A::foo());
$b = new B();
t($b->gen());
t($b->foo());
$a = new A();
t($a->gen());
t($a->foo());
