3v4l.org

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<?php $date1=date_create("2015-01-01"); $date2=date_create("2015-01-03")->modify("+1 day"); $diff=date_diff($date1,$date2); echo $diff->format("%R%a days");
Output for 5.4.0 - 5.4.45, 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
+3 days

preferences:
155.97 ms | 408 KiB | 5 Q