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<?php echo date('Y-m-d', strtotime('first day of month')); //$date = new DateTime(''); //$date->modify('first day of month'); $date = new DateTime(date('Y-m-d', strtotime('first day of month'))); $i = new DateInterval('P1M'); $end = new DateTime('-1 year'); while ($date >= $end) { echo $date->format('Y F') . PHP_EOL; $date = $date->sub($i); }
Output for git.master, git.master_jit, rfc.property-hooks
1970-01-01

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