<!DOCTYPE html>
<html>
<body>
<?php
$orderdate="23/10/2017";
$orderdate = explode('/', $orderdate);
$day = $orderdate[1];
$month = $orderdate[0];
$year = $orderdate[2];
echo $day."<br>";
echo $month."<br>";
echo $year;
?>
</body>
</html>
<!DOCTYPE html>
<html>
<body>
<?php
$orderdate="23/10/2017";
$orderdate = explode('-', $orderdate);
$day = $orderdate[1];
$month = $orderdate[0];
$year = $orderdate[2];
echo $day."<br>";
echo $month."<br>";
echo $year;
?>
</body>
</html>