public function getLabelData($index = null) {
		if($index === null)
			return $this->labelData;
		else
			return $this->labelData[$index];
	}
public function getLabelData($index = null) {
		if($index === null)
			return $this->labelData;
		else
			return $this->labelData[$index];
	}
public function getLabelData ( $ index = null ) { if ( $ index === null ) return $ this -> labelData ; else return $ this -> labelData [ $ index ] ; }
Getter for LabelData-Objects

@param null|int $index - Index of the LabelData-Object or null for the array
@return LabelData[]|LabelData - LabelData-Object(-Array)
Getter for LabelData - Objects