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<?php $dte = new DateTime(date('Y-m-d H:i:s')); var_dump($dte->format('Y-W')); $dte->modify('+4 weeks'); var_dump($dte->format('Y-m-d H:i:s -- Y_W')); $dte->modify('+1 days'); var_dump($dte->format('Y-m-d H:i:s -- Y_W'));
Output for 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 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 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(7) "2012-49" string(30) "2012-12-31 14:03:15 -- 2012_01" string(30) "2013-01-01 14:03:15 -- 2013_01"
Output for 7.3.32 - 7.3.33, 8.0.13
string(7) "2012-49" string(30) "2012-12-31 13:03:15 -- 2012_01" string(30) "2013-01-01 13:03:15 -- 2013_01"
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/NPi5i on line 2
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9
Fatal error: Cannot instantiate non-existent class: datetime in /in/NPi5i on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: datetime in /in/NPi5i on line 2

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