function getURIs()
{
$uris = array();
$last = array();
foreach ($this->getElements('xrd:URI') as $elem) {
$uri_string = $this->parser->content($elem);
$attrs = $this->parser->attributes($elem);
if ($attrs && array_key_exists('priority', $attrs)) {
$priority = intval($attrs['priority']);
if (!array_key_exists($priority, $uris)) {
$uris[$priority] = array();
}
$uris[$priority][] = $uri_string;
} else {
$last[] = $uri_string;
}
}
$keys = array_keys($uris);
sort($keys);
// Rebuild array of URIs.
$result = array();
foreach ($keys as $k) {
$new_uris = Auth_Yadis_array_scramble($uris[$k]);
$result = array_merge($result, $new_uris);
}
$result = array_merge($result, Auth_Yadis_array_scramble($last));
return $result;
}