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run code in 300+ PHP versions simultaneously
<?php var_dump(new \DateTime('24 december this year'));
Output for 5.6.28, 7.0.20, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(DateTime)#1 (3) { ["date"]=> string(26) "2015-12-24 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.3.32 - 7.3.33, 8.0.13
object(DateTime)#1 (3) { ["date"]=> string(26) "2015-12-24 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.6
object(DateTime)#1 (3) { ["date"]=> string(26) "2016-12-24 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }

preferences:
182.86 ms | 402 KiB | 213 Q