从php中的print_r访问变量

I got a print_r($result) output as follows:

stdClass Object ( 
    [balance] => 998 
    [batch_id] => 243941208 
    [cost] => 1 
    [num_messages] => 1 
    [message] => stdClass Object ( 
        [num_parts] => 1 
        [sender] => TMTLCO 
        [content] => @U0D070D240D4D00200D120D300D4100200D1F0D460D380D4D0D310D4D0D310D4D002000200D060D230D4D 
    ) 
    [receipt_url] => 
    [custom] => 
    [messages] => Array ( 
        [0] => stdClass Object ( 
            [id] => 117250619 
            [recipient] => XXXXXXXX 
        ) 
    ) 
    [status] => success 
)

I could echo the following and get correct output:

echo $result->balance;
echo $result->num_messages;

But the following is not working??

echo $result->message->sender;
echo $result->messages->recipient;
echo $result->messages->status;

What am i doing wrong ??

Miss the 0 which is an array. For accessing recipient you need to add one more Dimension into your $result array.

Messages has a one more array which you miss to navigate. So try with this,

echo $result->message->sender;
echo $result->messages[0]->recipient;
echo $result->status;