Yii: extend child model with parent's methods like rules, attributeLabel, etc... example

Yii: extend-inherit child model's methods

function attributeLabels() {
  $labels = array(
    'placeOfBirth' => 'Place Of Birth',
    'notes' => 'Notes',
    'status' => 'Status',
    'studentID' => 'Student',
    'entryYear' => 'Entry Year',
  );

  return array_merge($labels, parent::attributeLabels());
}