3v4l.org

run code in 300+ PHP versions simultaneously
<?php $monday = new \DateTime('next -1 tuesday'); var_dump($monday);
Output for 8.3.0 - 8.3.4
Fatal error: Uncaught DateMalformedStringException: Failed to parse time string (next -1 tuesday) at position 0 (n): The timezone could not be found in the database in /in/Qg6t4:3 Stack trace: #0 /in/Qg6t4(3): DateTime->__construct('next -1 tuesday') #1 {main} thrown in /in/Qg6t4 on line 3
Process exited with code 255.
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17
Fatal error: Uncaught Exception: Failed to parse time string (next -1 tuesday) at position 0 (n): The timezone could not be found in the database in /in/Qg6t4:3 Stack trace: #0 /in/Qg6t4(3): DateTime->__construct('next -1 tuesday') #1 {main} thrown in /in/Qg6t4 on line 3
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string (next -1 tuesday) at position 0 (n): The timezone could not be found in the database in /in/Qg6t4:3 Stack trace: #0 /in/Qg6t4(3): DateTime->__construct('next -1 tuesday') #1 {main} thrown in /in/Qg6t4 on line 3
Process exited with code 255.

preferences:
154.96 ms | 402 KiB | 168 Q