待mysql_fetch_object出的对象访问其中元素和遍历问题？

Question

stdClass Object ( [id] => 49 [userid] => 0 [user] => 方国华 [sex] => 1 [phone] => 345 [QQ] => 2134 [email] => 2345 [type] => 1 [office_type] => 3 [regional] => 芙蓉区 [title] => 单相负荷 [price] => 22 [area] => 123 [f] => 12 [what] => 23 [ftting] => 4 [direction] => 5 [equity] => 4 [installation] => 2 3 4 5 [house] => 4 [address] => 123 [content] => 123 [time] => 1314265560 [cs] => 0731 )怎么得到 direction 下的值 5 ？望解决.......

Answer 1

$obj = $Result->direction;
哥们  怎么 print_r($obj)和echo $obj 都不出东西  

Answer 2

require_once("../inc/inc.php");
require_once("../inc/conn.php");
require_once("../inc/by.php");
require_once("function/adfunction.php");
require_once("function/config.php");
$sql="select * from sp_Salep where id='".$_GET['id']."'";
$res=mysql_query($sql);
$rs=mysql_fetch_object($res);
$obj = $Result->direction;
print_r($obj);
//$obj = mysql_fetch_row($res);
//print_r($obj);
exit;

Answer 3

$obj = $rs->direction;
print_r($obj);