How can timestamps be used to calculate the difference in days between two dates in PHP?

To calculate the difference in days between two dates in PHP using timestamps, you can convert the dates to timestamps using the strtotime() function, then subtract the timestamps and divide by the number of seconds in a day (86400) to get the difference in days. 

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

$diff_in_seconds = $date2 - $date1;
$diff_in_days = $diff_in_seconds / 86400;

echo "The difference between the two dates is: " . $diff_in_days . " days";

Keywords

PHP timestamps date difference date calculation datetime functions

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