I have used a php code to validate two dates.If date 1 = date 2 then return false els true.Below is the code where error is it is always returning false.
{
$d1 =$values['DATE']; //date 1 in dd-mm-yyyy format
$d2 =$values['DATE_OF_LEAVE']; //date 2 in dd-mm-yyyy format
if(strtotime($d1) != strtotime($d2))
{
return true;
}
echo '<script type="text/javascript">';
echo 'alert("Application date and leave date should be different.")';
echo '</script>';
return false;
}