Available from version 1.13.0
Called when setting user cookies
Define function:
public static function onUserSetCookies( User $user, array &$session, array &$cookies ) { ... }
Attach hook: In extension.json:
	"Hooks": {
		"UserSetCookies": "MyExtensionHooks::onUserSetCookies"
Called from: File(s): session/CookieSessionProvider.php
Function(s): persistSession
Interface: UserSetCookiesHook.php

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


  • $user: User object
  • &$session: session array, will be added to $_SESSION
  • &$cookies: cookies array mapping cookie name to its value