87      * @param mixed $node A node object resulting from a previous
94     function &evalXPath($xpath, $node = null)  argument
102      * @param mixed $node A node object from a previous call to
107     function content($node)  argument
115      * @param mixed $node A node object from a previous call to
121     function attributes($node)  argument
165     function &evalXPath($xpath, $node = null)  argument
167         if ($node) {
168             $result = @$this->xpath->xpath_eval($xpath, $node);
186     function content($node)  argument
188         if ($node) {
189             return $node->get_content();
193     function attributes($node)  argument
195         if ($node) {
196             $arr = $node->attributes();
255     function &evalXPath($xpath, $node = null)  argument
257         if ($node) {
258             $result = @$this->xpath->query($xpath, $node);
276     function content($node)  argument
278         if ($node) {
279             return $node->textContent;
283     function attributes($node)  argument
285         if ($node) {
286             $arr = $node->attributes;
291                     $node = $arr->item($i);
292                     $result[$node->nodeName] = $node->nodeValue;