$entry1 = strtotime(#כניסה1#);
$entry2 = strtotime(#כניסה2#);

if ($entry1 && $entry2) {
$minutes = round(($entry2 – $entry1) / 60);
return “The number of minutes between #כניסה1# and #כניסה2# is: ” . $minutes;
} else {
return “Invalid date format!”;
}