$form_r[date_reminder] = '2004-07-17';
$year = substr($form_r[date_reminder], 0, 4);
$month = substr($form_r[date_reminder], 5, 2);
$date = substr($form_r[date_reminder], 8, 2);
date("D , F d", mktime(0, 0, 0, $month, $date, $year))
//returns
Sat , July 17