getting private values in object - php

Question

I have this data generate, but how do I get the values for the data such as the
User ID -> [id] => 1429517
message -> [data:ProtocolNode:private] => get my message
Array
(
[0] => ProtocolNode Object
(
[tag:ProtocolNode:private] => message
[attributeHash:ProtocolNode:private] => Array
(
[id] => 1429517
[offline] => 0
[type] => text
[t] => 14722889
)
[children:ProtocolNode:private] => Array
(
[0] => ProtocolNode Object
(
[tag:ProtocolNode:private] => body
[attributeHash:ProtocolNode:private] => Array
(
)
[children:ProtocolNode:private] =>
[data:ProtocolNode:private] => get my message
)
)
[data:ProtocolNode:private] =>
)
)
I have tried using this:
foreach($msgs as $msg) {
echo 'test: ' . $msg->tag ;
}
but I get the error:
Fatal error: Cannot access private property ProtocolNode::$tag

Answer 1

$reflection = new ReflectionClass($msg);
$prop = $reflection->getProperty("tag");
$prop->setAccessible(true);
$tag = $prop->getValue();
But this is little bit hack way, if you has ProtocolNode in your sorce then it is better to add getter "getTag", if ProtocolNode is some vendor lib class, then you can extend ProtocolNode to MyProtocolNode and add getter