Time Different Find in Php

<?php

//Time Different Find in Two Dates

$datetime1 = new DateTime();
$datetime2 = new DateTime('2021-06-10 04:06:06');
$interval = $datetime1->diff($datetime2);
$elapsed = $interval->format('%y years %m months %a days %h hours %i minutes %s seconds');
echo $elapsed;

//Time Different Find in Two Dates For Minutes Only
$time = new DateTime("2021-06-10 04:06:06");
$diff = $time->diff(new DateTime());
$minutes = ($diff->days * 24 * 60) +
           ($diff->h * 60) + $diff->i;

           echo "<br>".$minutes;
?>