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<?php $start = new DateTime('2015-01-01'); $start->modify('first day of this month'); $end = date('yyyy-mm-dd'); $end->modify('first day of next month'); $interval = DateInterval::createFromDateString('1 month'); $period = new DatePeriod($start, $interval, $end); foreach ($period as $dt) { echo $dt->format("Y-m") . PHP_EOL; }
Output for 7.0.0 - 7.0.20, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught Error: Call to a member function modify() on string in /in/tp1EM:5 Stack trace: #0 {main} thrown in /in/tp1EM on line 5
Process exited with code 255.
Output for 5.6.0 - 5.6.28
Fatal error: Call to a member function modify() on string in /in/tp1EM on line 5
Process exited with code 255.
Output for 5.5.0 - 5.5.37
Fatal error: Call to a member function modify() on a non-object in /in/tp1EM on line 5
Process exited with code 255.

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