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<?php $start = DateTime::createFromFormat('Y-m-d H:i:s', '2019-01-01 23:00:00'); $end = DateTime::createFromFormat('Y-m-d H:i:s', '2019-01-01 10:00:00'); var_dump($start->diff($end)->h); $start = DateTime::createFromFormat('Y-m-d H:i:s', '2018-01-01 23:00:00'); $end = DateTime::createFromFormat('Y-m-d H:i:s', '2019-01-01 10:00:00'); var_dump($start->diff($end)->h);
Output for 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
int(13) int(11)

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