Available from version 1.9.1
When invoking the page editor. Return true to allow the normal editor to be used, or false if implementing a custom editor, e.g. for a special namespace, etc.
Define function:
public static function onCustomEditor( Page $page, User $user ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"CustomEditor": "MyExtensionHooks::onCustomEditor"
Called from: File(s): actions/EditAction.php
Interface: CustomEditorHook.php

For more information about attaching hooks, see Manual:Hooks .
For examples of extensions using this hook, see Category:CustomEditor extensions.


  • $page - Page being edited
  • $user - User performing the edit