casting a date php code example

Example 1: php convert string to date

$time = strtotime('10/16/2003');

$newformat = date('Y-m-d',$time);

echo $newformat;
// 2003-10-16

Example 2: convert date in php

$originalDate = "2010-03-21";
$newDate = date("d-m-Y", strtotime($originalDate));