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<?php $dateUs = new \DateTimeImmutable('2015-10-20 00:00', new \DateTimeZone('America/New_York')); $dateEu = new \DateTimeImmutable('2015-10-20 00:00', new \DateTimeZone('Europe/Prague')); var_dump($dateUs->format('Y-m-d G:i:s') === $dateEu->format('Y-m-d G:i:s'));
Output for 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(true)
Output for 5.4.0 - 5.4.45
Fatal error: Class 'DateTimeImmutable' not found in /in/BR1Cq on line 3
Process exited with code 255.

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