function ModuleHandler::invokeAll

Overrides ModuleHandlerInterface::invokeAll

File

core/lib/Drupal/Core/Extension/ModuleHandler.php, line 398

Class

ModuleHandler

Class that manages modules in a Drupal installation.

Namespace

Code

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