'GetIP': modify the ip of the current user (called only once).
&$ip: string holding the ip as determined so far
+'GetLangPreferredVariant': Called in LanguageConverter#getPreferredVariant() to
+ allow fetching the language variant code from cookies or other such
+ alternative storage.
+&$req: language variant from the URL (string) or boolean false if no variant
+ was specified in the URL; the value of this variable comes from
+ LanguageConverter#getURLVariant()
+
'GetLinkColours': modify the CSS class of an array of page links.
$linkcolour_ids: array of prefixed DB keys of the pages linked to,
indexed by page_id.
instead.
&$form: UploadForm object
+'UploadForm:getInitialPageText': After the initial page text for file uploads
+is generated, to allow it to be altered.
+&$pageText: the page text
+$msg: array of header messages
+$config: Config object
+
'UploadForm:initial': Before the upload form is generated. You might set the
member-variables $uploadFormTextTop and $uploadFormTextAfterSummary to inject
text (HTML) either before or after the editform.
$add: Array of strings corresponding to groups added
$remove: Array of strings corresponding to groups removed
-'UserSaveOptions': Called just before saving user preferences/options.
-$user: User object
-&$options: Options, modifiable
+'UserSaveOptions': Called just before saving user preferences. Hook handlers can either add or
+manipulate options, or reset one back to it's default to block changing it. Hook handlers are also
+allowed to abort the process by returning false, e.g. to save to a global profile instead. Compare
+to the UserSaveSettings hook, which is called after the preferences have been saved.
+$user: The User for which the options are going to be saved
+&$options: The users options as an associative array, modifiable
-'UserSaveSettings': Called when saving user settings.
-$user: User object
+'UserSaveSettings': Called directly after user preferences (user_properties in the database) have
+been saved. Compare to the UserSaveOptions hook, which is called before.
+$user: The User for which the options have been saved
'UserSetCookies': DEPRECATED! If you're trying to replace core session cookie
handling, you want to create a subclass of MediaWiki\Session\CookieSessionProvider