convert string to date with format php code example

Example 1: convert string to date php

$s = '08/11/2010 19:37:02';
$date = strtotime($s);
echo date('Y-m-d H:i:s', $date);

Example 2: convert date in php

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