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

You can use DateInterval

$date = new DateTime();
$interval = new DateInterval("PT15M");
$interval->invert = 1;
$date->add($interval);
echo $date->format("c") . "\n";