get php DateInterval in total 'minutes'

Question

I am trying to get the PHP \"DateInterval\" value in \"total minutes\" value. How to get it? Seems like simple format(\"%i minutes\") not working?

Here is the sampl

Answer 1

That works perfectly.

function calculateMinutes(DateInterval $int){
    $days = $int->format('%a');
    return ($days * 24 * 60) + ($int->h * 60) + $int->i;
}