public static function getInstance($x1, $y1, $x2, $y2, $id = null, $style = null) { $rect = new SVGLine('<line></line>'); $rect->setX1($x1); $rect->setX2($x2); $rect->setY1($y1); $rect->setY2($y2); $rect->setId($id); $rect->setStyle($style); return $rect; }