ModuleHandler::invokeAll
public function ModuleHandler::invokeAll
public ModuleHandler::invokeAll($hook, array $args = array())
Invokes a hook in all enabled modules that implement it.
Parameters
string $hook: The name of the hook to invoke.
array $args: Arguments to pass to the hook.
Return value
array An array of return values of the hook implementations. If modules return arrays from their implementations, those are merged into one array recursively. Note: integer keys in arrays will be lost, as the merge is done using array_merge_recursive().
Overrides ModuleHandlerInterface::invokeAll
File
- core/lib/Drupal/Core/Extension/ModuleHandler.php, line 397
Class
- ModuleHandler
- Class that manages modules in a Drupal installation.
Namespace
Drupal\Core\ExtensionCode
public function invokeAll($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; }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Extension!ModuleHandler.php/function/ModuleHandler::invokeAll/8.1.x