3v4l.org

run code in 300+ PHP versions simultaneously
<?php function fooGenerator() { $range = range(0, 1000); try { foreach ($range as $key) { yield $key; } } finally { var_dump('Closed!'); } } $iterator = fooGenerator(); foreach ($iterator as $key) { break; } foreach ($iterator as $key) { var_dump($key); break; }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
int(0) string(7) "Closed!"
preferences:
215.95 ms | 404 KiB | 328 Q