Online PHP editor | refs for sRDTL

<?php define("STOP",99); function generate_ints($n){ foreach ( range(0,$n) as $number) { yield $number; } } $gen = generate_ints(5); // iterable object can be used in foreach foreach ($gen as $g) { $c = $gen->current(); echo $c; //if ($c == 4) { //$gen->send(STOP); // injecting a value to stop the generator; //} }