Online PHP editor | refs for LL8E9

<?php function generator(): Generator { var_dump('Generator function started'); yield 'some value'; var_dump('Generator function finished'); } $generator = generator(); var_dump('About to call $generator->valid()'); if ($generator->valid()) { var_dump('Generator is not empty, traversing'); foreach ($generator as $value) { var_dump('Generator yielded '.$value); } var_dump('Finished traversing generator'); } else { var_dump('Generator is empty'); }