want to get patient id from this script

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object(stdClass)#2 (1) {
["return"]=>
object(stdClass)#3 (1) {
["PatientID"]=>
string(3) "811"
}
}

hello dears i want to get PatientID from this stdclass please help me how to get this from this class

Looks like:

$topLevelObjectName->return->PatientID

Great very thankfull to you for this help