- Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- object(FooCls)#2 (0) { }
<?php
class FooCls {}
function foo(): iterable
{
yield new FooCls => 1;
yield new FooCls => 2;
yield new FooCls => 3;
yield new FooCls => 4;
}
$iterator = foo();
assert($iterator instanceof Iterator);
var_dump($iterator->key());