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<?php $dt = new DateTime(1234567890); var_dump($dt->getTimestamp()); var_dump($dt->format("Y-m-d H:i:s")); $dt = DateTime::createFromFormat("U", 1234567890); var_dump($dt->getTimestamp()); var_dump($dt->format("Y-m-d H:i:s"));
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13
int(186840383696) string(19) "7890-09-26 12:34:56" int(1234567890) string(19) "2009-02-13 23:31:30"
Output for 7.0.0 - 7.0.23, 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
int(186840387296) string(19) "7890-09-26 12:34:56" int(1234567890) string(19) "2009-02-13 23:31:30"
Output for 7.3.32 - 7.3.33, 8.0.13
int(186840390896) string(19) "7890-09-26 12:34:56" int(1234567890) string(19) "2009-02-13 23:31:30"

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