/** * @param string|callable $xslFile absolute o relative path to XSL file used include path * @param array $xsltParameters * @param null|\DOMNode|Set $element * * @return Element|Tag|Field */ public function xslt($xslFile, $xsltParameters = array(), &$element = null) { if (is_null($element)) { $element = $this->documentElement; } return Xslt::doc()->transform($xslFile, $xsltParameters, $element); }