无法获得两个日期之间的时差

Question

I am trying to find the time difference between an expiry date and today's date, but my code doesn't work.

$time_one=DateTime::createFromFormat('d/m/Y', get_field('expirydate'));
$time_two=new DateTime();

$timeleft = $time_one->diff($time_two);
echo $timeleft;

Answer 1

The diff method returns you an DateInterval object. You must format the output in order to see how many days, hours, minutes, seconds remained:

$dateTimeInTheFuture = DateTime::createFromFormat('d/m/Y', get_field('expirydate'));

$dateInterval = $dateTimeInTheFuture->diff(new DateTime());

echo 'Time remained until expire: ' . $dateInterval->format('%d days, %h hours, %i minutes, %s seconds');

Read more about DateInterval.format method

Answer 2

Try:

echo $timeleft->format('%a days');

So when you apply diff function to DateTime object -> you receive a DateInterval object. To access its properties about total difference between dates you should apply method called format.