Online PHP editor | refs for 2lZkJ

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