What are the potential pitfalls of using mktime() function in PHP to calculate time differences?

Using mktime() function in PHP to calculate time differences can lead to issues with daylight saving time changes and leap years. To avoid these pitfalls, it is recommended to use the DateTime class in PHP, which handles these edge cases automatically. 

// Using DateTime class to calculate time differences
$date1 = new DateTime('2022-01-01');
$date2 = new DateTime('2022-02-01');
$interval = $date1->diff($date2);
echo $interval->format('%R%a days');

Keywords

mktime time differences PHP date calculation error handling

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