Online PHP editor | refs for O3RbP

<?php function count_to_ten() { $t = yield from seven_eight(); var_dump($t); return 'ok'; } function seven_eight() { foreach ([1, 2, 3] as $k => $v) {yield $v;} } $gen = count_to_ten(); foreach ($gen as $k => $num) { echo $gen->send('t'); echo "\n-$k -> $num \n"; } var_dump( $gen->getReturn());