3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo date("Y-m-d", strtotime("2022-01-11 --1 day"));
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.33, 8.2.25 - 8.2.29, 8.3.13 - 8.3.25, 8.4.1 - 8.4.12
2022-01-12
Output for 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
2022-01-10
preferences:
87.18 ms | 407 KiB | 5 Q