3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo((new DateTime(null))?'F':'T');
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Deprecated: DateTime::__construct(): Passing null to parameter #1 ($datetime) of type string is deprecated in /in/HaYeI on line 3 F
Output for 5.6.0 - 5.6.24, 7.0.0 - 7.0.20, 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
F

preferences:
173.45 ms | 403 KiB | 194 Q