underscore) magic words. Called by MagicWord.
&$doubleUnderscoreIDs: array of strings
+'GetExtendedMetadata': Get extended file metadata for the API
+&$combinedMeta: Array of the form: 'MetadataPropName' => array(
+'value' => prop value, 'source' => 'name of hook' ).
+$file: File object of file in question
+$context: RequestContext (including language to use)
+$single: Only extract the current language; if false, the prop value should
+be in the metadata multi-language array format:
+mediawiki.org/wiki/Manual:File_metadata_handling#Multi-language_array_format
+&$maxCacheTime: how long the results can be cached
+
'GetFullURL': Modify fully-qualified URLs used in redirects/export/offsite data.
$title: Title object of page
$url: string value as output (out parameter, can modify)
something completely different, after the basic globals have been set up, but
before ordinary actions take place.
$output: $wgOut
-$article: $wgArticle
+$article: Article on which the action will be performed
$title: $wgTitle
$user: $wgUser
$request: $wgRequest
'UserClearNewTalkNotification': Called when clearing the "You have new
messages!" message, return false to not delete it.
$user: User (object) that will clear the message
+$oldid: ID of the talk page revision being viewed (0 means the most recent one)
'UserComparePasswords': Called when checking passwords, return false to
override the default password checks.
$userText: User name of the current user
&$items: Array of user tool links as HTML fragments
+'ValidateExtendedMetadataCache': Called to validate the cached metadata in
+FormatMetadata::getExtendedMeta (return false means cache will be
+invalidated and GetExtendedMetadata hook called again).
+$timestamp: The timestamp metadata was generated
+$file: The file the metadata is for
+
'WantedPages::getQueryInfo': Called in WantedPagesPage::getQueryInfo(), can be
used to alter the SQL query which gets the list of wanted pages.
&$wantedPages: WantedPagesPage object