$postcredits = $GLOBALS[postcredits] * $posts;
$postmoney = 5 * $posts; // 發貼或回復加5金幣,數字可自己修改
$db->query("UPDATE $table_members SET postnum=postnum$operator$posts, credit=credit$operator($postcredits) WHERE username IN ($username)");
$db->query("UPDATE $table_members SET postnum=postnum$operator$posts, credit=credit$operator($postcredits), money=money$operator$postmoney WHERE username IN ($username)");