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<?php $today = new DateTime('noon first day of this month +1 day'); $clone = clone $today; $clone->modify('+1 day'); $currentGenerateDay = (new DateTime('noon first day of this month'))->modify('+1 day'); echo $clone->format('Y-m-d H:i:s').' '.$currentGenerateDay->format('Y-m-d H:i:s'); var_dump($clone == $currentGenerateDay);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 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
2015-12-02 12:00:00 2015-12-02 12:00:00bool(true)

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224.86 ms | 404 KiB | 326 Q