public function add_info($label, $value)
    {
        $canvas = $this->getCanvas();
        if (!is_null($canvas)) {
            $canvas->add_info($label, $value);
        }
    }
public function add_info($label, $value)
    {
        $canvas = $this->getCanvas();
        if (!is_null($canvas)) {
            $canvas->add_info($label, $value);
        }
    }
public function add_info ( $ label , $ value ) { $ canvas = $ this -> getCanvas ( ) ; if ( ! is_null ( $ canvas ) ) { $ canvas -> add_info ( $ label , $ value ) ; } }
Add meta information to the PDF after rendering
Add meta information to the PDF after rendering