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run code in 300+ PHP versions simultaneously
<?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) { $c = $gen->current(); echo $c; if ($c == 4) { $gen->send("\nmy lucky number is 999\n"); // injecting a value } }

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39.17 ms | 402 KiB | 5 Q