- print_r: documentation ( source)
<?php
$now = new DateTime();
$now->setTime(10,00);
$punchIn = new DateTime(); // 10:55 am
$punchIn->setTime(11,00);
$hour = (int)$now->diff($punchIn)->format('%R%H');
$min = (int)$now->diff($punchIn)->format('%i');
echo($hour."\n");
echo($min."\n");
print_r($hour*60+$min);
if ($hour*60+$min < 10) {
print_r( 'punchIn');
}