What is the best way to calculate the number of months between two dates in PHP?

To calculate the number of months between two dates in PHP, you can use the DateTime class to create DateTime objects for the two dates, then calculate the difference in months using the diff() method. This method returns a DateInterval object, from which you can extract the total number of months. 

$date1 = new DateTime('2021-01-15');
$date2 = new DateTime('2021-06-20');

$interval = $date1->diff($date2);
$months = $interval->format('%m');

echo "Number of months between the two dates: " . $months;

Keywords

PHP date DateTime date_diff interval

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