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function module_invoke_all in Drupal 6

Same name and namespace in other branches
  1. 4 includes/module.inc \module_invoke_all()
  2. 5 includes/module.inc \module_invoke_all()
  3. 7 includes/module.inc \module_invoke_all()

Invoke a hook in all enabled modules that implement it.

Parameters

$hook: The name of the hook to invoke.

...: Arguments to pass to the hook.

Return value

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

Related topics

45 calls to module_invoke_all()
actions_delete in includes/actions.inc
Delete a single action from the database.
actions_list in includes/actions.inc
Discover all action functions by invoking hook_action_info().
comment_render in modules/comment/comment.module
Renders comment(s).
drupal_cron_run in includes/common.inc
Executes a cron run when called
drupal_flush_all_caches in includes/common.inc
Flush all cached data on the site.

... See full list

File

includes/module.inc, line 490
API for loading and interacting with Drupal modules.

Code

function module_invoke_all() {
  $args = func_get_args();
  $hook = $args[0];
  unset($args[0]);
  $return = array();
  foreach (module_implements($hook) as $module) {
    $function = $module . '_' . $hook;
    $result = call_user_func_array($function, $args);
    if (isset($result) && is_array($result)) {
      $return = array_merge_recursive($return, $result);
    }
    else {
      if (isset($result)) {
        $return[] = $result;
      }
    }
  }
  return $return;
}