public function ModuleHandler::invokeAll in Zircon Profile 8

Same name and namespace in other branches

1. 8.0 core/lib/Drupal/Core/Extension/ModuleHandler.php \Drupal\Core\Extension\ModuleHandler::invokeAll()

Invokes a hook in all enabled modules that implement it.

Parameters

string $hook: The name of the hook to invoke.

array $args: Arguments to pass to the hook.

Return value

array An array of return values of the hook implementations. If modules return arrays from their implementations, those are merged into one array.

Overrides ModuleHandlerInterface::invokeAll

File

core/lib/Drupal/Core/Extension/ModuleHandler.php, line 388

Contains \Drupal\Core\Extension\ModuleHandler.

Class

ModuleHandler

Class that manages modules in a Drupal installation.

Namespace

Drupal\Core\Extension

Code

public function invokeAll($hook, array $args = array()) {
  $return = array();
  $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;
}