Online PHP editor | refs for tHA6N

<?php function gen($x) { yield $x; return $x * 5; } function yf() { $x = yield from gen(1); echo "x is $x\n"; $y = yield from gen(2); echo "y is $y\n"; return yield from gen(42); } $g = yf(); foreach($g as $val) { var_dump($val); } echo "====================\n"; var_dump($g->getReturn());