3v4l.org

run code in 300+ PHP versions simultaneously
<?php $expirationDate = new DateTimeImmutable('2025-12-31 23:59:59'); echo $expirationDate->format('Y-m-d H:i:s') . chr(10); $newDate = $expirationDate->modify('-1 day'); echo $newDate->format('Y-m-d H:i:s') . chr(10); $newDate = $expirationDate->modify('-1 month'); echo $newDate->format('Y-m-d H:i:s') . chr(10); $newDate = $expirationDate->modify('-2 month'); echo $newDate->format('Y-m-d H:i:s') . chr(10);
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 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
2025-12-31 23:59:59 2025-12-30 23:59:59 2025-12-01 23:59:59 2025-10-31 23:59:59
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/utged on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetimeimmutable in /in/utged on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetimeimmutable in /in/utged on line 3
preferences:
86.79 ms | 408 KiB | 5 Q