How to Subtract Minutes

Question

I want to send a reminder email.I don\'t want to use cron on Linux/Unix/BSD box or Scheduled Tasks on Windows.

I\'m trying to subtract 15 minutes from t

Answer 1

To subtract 15 minutes from the current time, you can use strtotime():

$newTime = strtotime('-15 minutes');
echo date('Y-m-d H:i:s', $newTime);