/**
* @author gayayang
* @date 2012-8-21
* @todo 将对象转换成数组
* @param unknown_type $obj
* @return unknown
*/
function object_to_array($obj){
$_arr = is_object($obj) ? get_object_vars($obj) :$obj;
foreach ($_arr as $key=>$val){
$val = (is_array($val) || is_object($val)) ? $this->object_to_array($val):$val;
$arr[$key] = $val;
}
return $arr;
}