public function getMetricsFromSvg($svg, &$output) { $output = $output; $svgXml = com_wiris_util_xml_WXmlUtils::parseXML($svg); $width = $svgXml->firstElement()->get("width"); $height = $svgXml->firstElement()->get("height"); $baseline = $svgXml->firstElement()->get("wrs:baseline"); $r = null; if ($output !== null) { $output["width"] = "" . $width; $output["height"] = "" . $height; $output["baseline"] = "" . $baseline; $r = ""; } else { $r = "&cw=" . $width . "&ch=" . $height . "&cb=" . $baseline; } return $r; }