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run code in 300+ PHP versions simultaneously
<?php function generate_ints($n){ foreach ( range(0,$n-1) as $number) { yield $number; } } $gen = generate_ints(30); // iterable object can be used in foreach foreach ($gen as $g) { echo $gen->current(); $gen->next(); }

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36.75 ms | 402 KiB | 5 Q