PHP method to calculate all months in the past year

This article mainly introduces the method of calculating all months in the past year in PHP. Interested friends can refer to it. I hope it will be helpful to everyone.

Without further ado, please take a look at the code:

$z = date('Y-m');
$a = date('Y-m', strtotime('-12 months'));
$begin = new DateTime($a);
$end = new DateTime($z);
$end = $end->modify('+1 month');
$interval = new DateInterval('P1M');
$daterange = new DatePeriod($begin, $interval ,$end);
foreach($daterange as $date){ 
  echo $date->format("Y-m") . "<br />";
}

Rendering:

The above is the entire content of this article, I hope it will be helpful to everyone's study.

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