Online PHP editor | refs for jni5Y

<?php function emptyGenerator(): Generator { var_dump('Generator function started'); if (false) { yield 'some value'; } var_dump('Generator function finished'); } $generator = emptyGenerator(); 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'); }