Implements \Drupal\Core\Extension\ModuleHandlerInterface::invokeAll().
Overrides ModuleHandlerInterface::invokeAll
public function invokeAll($hook, $args = array()) {
$return = array();
$implementations = $this
->getImplementations($hook);
foreach ($implementations as $module) {
$function = $module . '_' . $hook;
if (function_exists($function)) {
$result = call_user_func_array($function, $args);
if (isset($result) && is_array($result)) {
$return = NestedArray::mergeDeep($return, $result);
}
elseif (isset($result)) {
$return[] = $result;
}
}
}
return $return;
}