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<?php $tz=new DateTimeZone('UTC'); $date = new DateTime('2000-12-31', $tz); $date->add(new DateInterval('P1M', $tz)); var_dump($date->format('Y-m-d')); $date->add(new DateInterval('P1M', $tz)); var_dump($date->format('Y-m-d'));
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught ArgumentCountError: DateInterval::__construct() expects exactly 1 argument, 2 given in /in/XqL9Z:6 Stack trace: #0 /in/XqL9Z(6): DateInterval->__construct('P1M', Object(DateTimeZone)) #1 {main} thrown in /in/XqL9Z on line 6
Process exited with code 255.

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