You can do it very simple by writing a custom generator function: foreach(myfunc($array) as list($key, $value, $loop)) {} Maybe you can array destructuring at

You can do it very simple by writing a custom generator function: foreach(myfunc($array) as list($key, $value, $loop)) {} Maybe you can array destructuring at this place, i am not sure at the moment. And your manual counting you do in myfunc() and just yield the values