Online PHP editor | output for QnFGS

Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: object(DateTime)#10 (3) { ["date"]=> string(26) "2015-09-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTime)#11 (3) { ["date"]=> string(26) "2015-09-02 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }
Output for 7.1.7 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28: object(DateTime)#7 (3) { ["date"]=> string(26) "2015-09-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTime)#8 (3) { ["date"]=> string(26) "2015-09-02 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.6: Warning: DateTime::add(): The DateInterval object has not been correctly initialized by its constructor in /in/QnFGS on line 11 object(DateTime)#7 (3) { ["date"]=> string(26) "2015-09-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" } object(DateTime)#8 (3) { ["date"]=> string(26) "2015-09-01 00:00:00.000000" ["timezone_type"]=> int(3) ["timezone"]=> string(3) "UTC" }