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<?php var_dump( new \DateTimeImmutable('2017-04-14 10:00:00') );
Output for 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
object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2017-04-14 10:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(16) "Europe/Amsterdam" }
Output for 7.3.32 - 7.3.33, 8.0.13
object(DateTimeImmutable)#1 (3) { ["date"]=> string(26) "2017-04-14 10:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }

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142.91 ms | 401 KiB | 187 Q