Renderer/LabelRenderer.php
private function getImageData()
    {
        ob_start();
        imagegif($this->image);
        $output = ob_get_contents();
        ob_end_clean();
        imagedestroy($this->image);

        return $output;
    }
private function getImageData()
    {
        ob_start();
        imagegif($this->image);
        $output = ob_get_contents();
        ob_end_clean();
        imagedestroy($this->image);

        return $output;
    }
private function getImageData ( ) { ob_start ( ) ; imagegif ( $ this -> image ) ; $ output = ob_get_contents ( ) ; ob_end_clean ( ) ; imagedestroy ( $ this -> image ) ; return $ output ; }
Returns the image raw data.

@return string
Returns the image raw data .