/**
* Performs xpath limiter procedure
* @param \SimpleXMLElement|array $input
* @return mixed
*/
function execute($input)
{
$xpath = $this->xpath;
if ($input instanceof \SimpleXMLElement && isset($input->{$xpath})) {
return $input->{$xpath};
}
if (is_object($input) && method_exists($input, 'xpath')) {
$namespaces = $this->query->getNamespaces();
foreach ($namespaces as $prefix => $ns) {
$input->registerXPathNamespace($prefix, $ns);
}
return $input->xpath($xpath);
} elseif (qtil\ArrayUtil::isIterable($input)) {
$results = [];
foreach ($input as $i) {
if (is_object($i) && method_exists($i, 'xpath')) {
$results[] = $this->execute($i);
}
}
return $results;
}
}
