| private doXPathQuery ( $query, $node = NULL ) | ||
| $query | The query which should be run. | |
| $node | The node which this query is relative to. If this node is NULL (the default) then the query will be relative to the root of the response. | |
private function doXPathQuery($query, $node = NULL)
{
assert('is_string($query)');
assert('$this->dom instanceof DOMDocument');
if ($node === NULL) {
$node = $this->dom->documentElement;
}
assert('$node instanceof DOMNode');
$xPath = new DOMXpath($this->dom);
$xPath->registerNamespace('shibp', self::SHIB_PROTOCOL_NS);
$xPath->registerNamespace('shib', self::SHIB_ASSERT_NS);
return $xPath->query($query, $node);
}