3v4l.org

run code in 300+ PHP versions simultaneously
<?php for($z = date("Y"); $z >= date("Y") - 3; $z--) echo $z,PHP_EOL;
Output for 7.3.16, 8.0.29 - 8.0.30, 8.1.19 - 8.1.31, 8.2.6 - 8.2.27, 8.3.0 - 8.3.15, 8.4.1 - 8.4.2
2023 2022 2021 2020
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.15, 7.3.17 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.28, 8.1.0 - 8.1.18, 8.2.0 - 8.2.5
2020 2019 2018 2017
preferences:
81.04 ms | 408 KiB | 5 Q