attributeLabels() public method

Child classes must override this method in the following format:
return array_merge(parent::attributeLabels(), array(
    ...labels for the child class attributes...
));
.
public attributeLabels ( ) : array
return array the attribute labels
 public function attributeLabels()
 {
     return array_merge(parent::attributeLabels(), array('moduleID' => 'Module ID'));
 }