<?php

namespace MediaWiki\Hook;

/**
 * This is a hook handler interface, see docs/Hooks.md.
 * Use the hook name "BeforeWelcomeCreation" to register handlers implementing this interface.
 *
 * @stable to implement
 * @ingroup Hooks
 */
interface BeforeWelcomeCreationHook {
	/**
	 * This hook is called before the welcomecreation message is displayed to a newly created user.
	 *
	 * @since 1.35
	 *
	 * @param string &$welcome_creation_msg MediaWiki message name to display on the welcome screen
	 *   to a newly created user account.
	 * @param string &$injected_html Any HTML to inject after the "logged in" message of a newly
	 *   created user account
	 * @return bool|void True or no return value to continue or false to abort
	 */
	public function onBeforeWelcomeCreation(
		&$welcome_creation_msg,
		&$injected_html
	);
}