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<?php function timeZoneToOffset(DateTimeZone $timezone) { return (new \DateTime('now', $timezone))->format('P'); } $timezone1 = new DateTimeZone('Europe/Paris'); $d1 = new DateTimeImmutable('2020-01-01 15:00 ' . timeZoneToOffset($timezone1)); $timezone2 = new DateTimeZone('Africa/Cairo'); $d2 = new DateTimeImmutable('2020-01-01 15:00 ' . timeZoneToOffset($timezone2)); var_dump($d1->getTimestamp() === $d2->getTimestamp());
Output for git.master_jit, git.master, rfc.property-hooks
bool(false)

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