Online PHP editor | refs for YjHRb

<?php function generate_ints($n){ foreach ( range(0,$n) as $number) { $number = (yield $number); yield $number; } } $gen = generate_ints(5); // iterable object can be used in foreach foreach ($gen as $g) { echo $g; if ($g == 4) { $g->send("\n999\n"); // injecting a value echo $g; } }