Online PHP editor | refs for 4FXGV

<?php function generate_ints($n){ foreach ( range(0,$n) as $number) { $number = (yield $number); if ($number == 999) echo $number,"\n"; } } $gen = generate_ints(5); // iterable object can be used in foreach foreach ($gen as $g) { // $g == $gen->current() echo $g; if ($gen->current() == 4) { $gen->send("999"); // injecting a value } }