3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = (new DateTimeImmutable('today')) ->setTimeZone(new DateTimeZone('UTC')) ->setTime(10, 10, 10); $y = clone $x; $y = $y ->setTimeZone(new DateTimeZone('Europe/Rome')) ->setTime(12, 10, 10); var_dump($x->format('U')); var_dump($y->format('U'));
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 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(10) "1444644610" string(10) "1444644610"
Output for 7.3.32 - 7.3.33, 8.0.13
string(10) "1444731010" string(10) "1444731010"
Output for 5.4.0 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/5fXUt on line 3
Process exited with code 255.

preferences:
265.62 ms | 401 KiB | 372 Q