Are there any best practices or specific functions in PHP that should be used to accurately calculate date differences?

When calculating date differences in PHP, it is recommended to use the DateTime class along with its methods such as diff() to accurately calculate the interval between two dates. This ensures that time zones and daylight saving time changes are taken into account for precise calculations. 

$date1 = new DateTime('2022-01-01');
$date2 = new DateTime('2022-02-01');
$interval = $date1->diff($date2);
echo $interval->format('%m months, %d days');

Keywords

date_diff DateTime strtotime date_create interval

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