protected function parseCategories($response, &$categories)
{
global $smwgSPARQLResultEncoding;
// PHP strings are always interpreted in ISO-8859-1 but may be actually encoded in
// another charset.
if (isset($smwgSPARQLResultEncoding) && $smwgSPARQLResultEncoding == 'UTF-8') {
$response = utf8_decode($response);
}
$dom = simplexml_load_string($response);
$titles = array();
$results = $dom->xpath('//result');
foreach ($results as $r) {
//$children = $r->children(); // binding nodes
$b = $r->binding[0];
// categories
foreach ($b->children()->uri as $sv) {
$category = TSHelper::getTitleFromURI((string) $sv);
if (!is_null($category)) {
$categories[] = $category;
}
}
}
}
