How can timestamps be utilized to calculate date differences in PHP?

To calculate date differences in PHP using timestamps, you can convert the dates to timestamps using the strtotime() function, then subtract the timestamps to get the difference in seconds. Finally, you can convert the difference in seconds to days, hours, minutes, or any other desired format. 

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

$diffInSeconds = $date2 - $date1;
$diffInDays = floor($diffInSeconds / (60 * 60 * 24));

echo "The difference between the dates is $diffInDays days.";

Keywords

timestamps date differences PHP calculations timezones

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