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<?php $date = new DateTime('2369-12-30'); var_dump($date->format('Y-m-d h:i:s')); $date->add(new DateInterval('P1D')); var_dump($date->format('Y-m-d h:i:s')); echo $date->format('Y-m-d');
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
string(19) "2369-12-30 12:00:00" string(19) "2370-01-00 12:00:00" 2370-01-00
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.34, 8.3.0 - 8.3.35, 8.4.1 - 8.4.26, 8.5.0 - 8.5.11
string(19) "2369-12-30 12:00:00" string(19) "2369-12-31 12:00:00" 2369-12-31

preferences:
33.84 ms | 1140 KiB | 9 Q