function services($filters = null, $filter_mode = SERVICES_YADIS_MATCH_ANY)
{
$pri_keys = array_keys($this->serviceList);
sort($pri_keys, SORT_NUMERIC);
// If no filters are specified, return the entire service
// list, ordered by priority.
if (!$filters || !is_array($filters)) {
$result = array();
foreach ($pri_keys as $pri) {
$result = array_merge($result, $this->serviceList[$pri]);
}
return $result;
}
// If a bad filter mode is specified, return null.
if (!in_array($filter_mode, array(SERVICES_YADIS_MATCH_ANY, SERVICES_YADIS_MATCH_ALL))) {
return null;
}
// Otherwise, use the callbacks in the filter list to
// determine which services are returned.
$filtered = array();
foreach ($pri_keys as $priority_value) {
$service_obj_list = $this->serviceList[$priority_value];
foreach ($service_obj_list as $service) {
$matches = 0;
foreach ($filters as $filter) {
if (call_user_func_array($filter, array($service))) {
$matches++;
if ($filter_mode == SERVICES_YADIS_MATCH_ANY) {
$pri = $service->getPriority();
if ($pri === null) {
$pri = SERVICES_YADIS_MAX_PRIORITY;
}
if (!array_key_exists($pri, $filtered)) {
$filtered[$pri] = array();
}
$filtered[$pri][] = $service;
break;
}
}
}
if ($filter_mode == SERVICES_YADIS_MATCH_ALL && $matches == count($filters)) {
$pri = $service->getPriority();
if ($pri === null) {
$pri = SERVICES_YADIS_MAX_PRIORITY;
}
if (!array_key_exists($pri, $filtered)) {
$filtered[$pri] = array();
}
$filtered[$pri][] = $service;
}
}
}
$pri_keys = array_keys($filtered);
sort($pri_keys, SORT_NUMERIC);
$result = array();
foreach ($pri_keys as $pri) {
$result = array_merge($result, $filtered[$pri]);
}
return $result;
}
