Online PHP editor | refs for YsePr

<?php function generate_ints($n){ $range = range(0,$n-1); for ($i=0, $max = count($range); $i < $max; $i++) { $i = (yield $i); return $i; } } $gen = generate_ints(3); echo $gen->current(); $gen->next(); $gen->send(99); // injecting a value; echo $gen->current(); $gen->next(); echo $gen->current();