Online PHP editor | refs for Q81Te

<?php function count_to_ten() { foreach (['f1', 'f2', 'f3'] as $file) { $t = yield; if ($t == 't') { } echo '$'.($t)."\n"; yield from seven_eight(); } return 'ok'; } function seven_eight() { foreach ([1, 2, 3] as $k => $v) { yield $v; } } $gen = count_to_ten(); foreach ($gen as $k => $num) { echo "\n-$k -> $num \n";echo $gen->send('t'); } var_dump( $gen->getReturn());