CODE EXAMPLE FOR PHP

php compare dates

$date_now = date("Y-m-d h:i:s");
$variable = new DateTime($date_now);
$to_compare = "2018-06-01 12:48:09";
$variable1 = new DateTime($to_compare);
$difference = date_diff($variable, $variable1)->format("Difference => %Y years, %m months, %d days, %h hours, and %i minutes");
echo $difference;