Available from version 1.24.0 (Gerrit change 141633)
Before executing the HTMLForm object
Define function:
public static function onSpecialPageBeforeFormDisplay( $name, \HTMLForm &$form ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"SpecialPageBeforeFormDisplay": "MediaWiki\\Extension\\MyExtension\\Hooks::onSpecialPageBeforeFormDisplay"
Called from: File(s): FormSpecialPage.php
Interface: SpecialPageBeforeFormDisplayHook.php

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

Details edit

  • string $name: name of the special page (without the 'Special:' namespace prefix)
  • \HTMLForm &$form: HTMLForm object