阿里大鱼simplexmlelement object 取值PHP，simplexmlelement取值

SimpleXMLElement Object
(
[code] => 15
[msg] => Remote service error
[sub_code] => isv.MOBILE_NUMBER_ILLEGAL
[sub_msg] => 号码格式错误
[request_id] => zqbnzcj7btxy
)

$result=$obj->sub_msg;

结果：号码格式错误

SimpleXMLElement Object
(
[result] => SimpleXMLElement Object
(
[err_code] => 0
[model] => 100863158072^1101308124312
[success] => true
)

[request_id] => 101yy013xxd
)

$result=$obj->result->success;

结果：true