public function canValidateProperty( $key )
    {
        return isset( $this->data[$key] ) and is_object( $this->data[$key] ) and $this->data[$key] instanceof Base;
    }
public function canValidateProperty( $key )
    {
        return isset( $this->data[$key] ) and is_object( $this->data[$key] ) and $this->data[$key] instanceof Base;
    }
public function canValidateProperty ( $ key ) { return isset ( $ this -> data [ $ key ] ) and is_object ( $ this -> data [ $ key ] ) and $ this -> data [ $ key ] instanceof Base ; }
Has validation property?
Has validation property?