What is the best way to calculate the difference in days between two dates in PHP?

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

$date1 = new DateTime('2022-01-01');
$date2 = new DateTime('2022-01-10');

$interval = $date1->diff($date2);
$diffInDays = $interval->days;

echo $diffInDays; // Output: 9

Keywords

PHP date_diff DateTime date difference

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