Question: how to change input type date format to yyyy-mm-dd in php?
Answer: <? php.
$orgDate = "17-07-2012";
$date = str_replace('-"', '/', $orgDate);
$newDate = date("Y/m/d", strtotime($date));
echo "New date format is: ". $newDate. " (YYYY/MM/DD)";
?>