| public xpath ( string $query, array $options = [] ) | ||
| $query | string | An XPath query. |
| $options | array | Currently supported options are: - 'namespace_prefix': And XML namespace prefix to be used as the default. Used in conjunction with 'namespace_uri' - 'namespace_uri': The URI to be used as the default namespace URI. Used with 'namespace_prefix' |
public function xpath($query, $options = array())
{
$xpath = new \DOMXPath($this->document);
// Register a default namespace.
if (!empty($options['namespace_prefix']) && !empty($options['namespace_uri'])) {
$xpath->registerNamespace($options['namespace_prefix'], $options['namespace_uri']);
}
$found = new \SplObjectStorage();
foreach ($this->matches as $item) {
$nl = $xpath->query($query, $item);
if ($nl->length > 0) {
for ($i = 0; $i < $nl->length; ++$i) {
$found->attach($nl->item($i));
}
}
}
return $this->inst($found, null, $this->options);
//$this->setMatches($found);
//return $this;
}