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<?php $dataTime['last_update_date'] = '2016-01-22 15:07:23'; $oldtimestamp = strtotime($dataTime['last_update_date']); $timestamp = strtotime( date('Y-m-d', strtotime($dataTime['last_update_date']) ) ); echo date('Y.m.d h:i:s',$oldtimestamp); echo " "; echo date('Y.m.d h:i:s',$timestamp); echo " "; var_dump($timestamp < $oldtimestamp);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
2016.01.22 03:07:23 2016.01.22 12:00:00 bool(true)

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