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<?php $dateTime = new DateTime('2012-05-14'); $monday = clone $dateTime->modify(('Sunday' == $dateTime->format('l')) ? 'Monday last week' : 'Monday this week'); print_r($monday);
Output for 5.4.30 - 5.4.45, 5.5.14 - 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 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
DateTime Object ( [date] => 2012-05-14 00:00:00.000000 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 7.3.32 - 7.3.33, 8.0.13
DateTime Object ( [date] => 2012-05-14 00:00:00.000000 [timezone_type] => 3 [timezone] => UTC )
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.29, 5.5.0 - 5.5.13
DateTime Object ( [date] => 2012-05-14 00:00:00 [timezone_type] => 3 [timezone] => Europe/Amsterdam )
Output for 5.2.5 - 5.2.17
Fatal error: __clone method called on non-object in /in/AZor7 on line 3
Process exited with code 255.
Output for 5.2.0 - 5.2.4
Warning: __clone method called on non-object in /in/AZor7 on line 3
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Class 'DateTime' not found in /in/AZor7 on line 2
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_VARIABLE in /in/AZor7 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_VARIABLE in /in/AZor7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/AZor7 on line 3
Process exited with code 255.

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