3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gen() { for ($i = 0; $i < 5; $i++) yield $i; } foreach (gen() as $number) echo $number;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.17 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
01234
preferences:
124.35 ms | 1551 KiB | 4 Q