3v4l.org

run code in 300+ PHP versions simultaneously
<?php function gen() { for($i = 1; $i <=3; $i++) { $resp = yield $i; echo '$resp: '; var_dump($i); } $gen = gen(); foreach($gen as $out) { echo '$i: '; var_dump($i); $gen->send('Hi ' . $i); } }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 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
preferences:
235.25 ms | 404 KiB | 174 Q