'FileUpload': When a file upload occurs
$file : Image object representing the file that was uploaded
+$reupload : Boolean indicating if there was a previously another image there or not (since 1.17)
+$hasDescription : Boolean indicating that there was already a description page and a new one from the comment wasn't created (since 1.17)
'FileUndeleteComplete': When a file is undeleted
$title: title object to the file
&$join_conds: join conditions for the tables
$opts: FormOptions for this request
&$query_options: array of options for the database request
+&$select: String '*' or array of columns to select
'SpecialSearchGomatch': called when user clicked the "Go" button and the target
exists
added to the descriptor
$descriptor: (array) the HTMLForm descriptor
-'UploadVerification': additional chances to reject an uploaded file
+'UploadVerification': additional chances to reject an uploaded file. Consider
+ using UploadVerifyFile instead.
string $saveName: destination file name
string $tempName: filesystem path to the temporary file for checks
string &$error: output: message key for message to show if upload canceled
is the message key and the remaining elements are used as parameters to
the message.
+'UploadVerifyFile': extra file verification, based on mime type, etc. Preferred
+ in most cases over UploadVerification.
+object $upload: an instance of UploadBase, with all info about the upload
+string $mime: the uploaded file's mime type, as detected by MediaWiki. Handlers
+ will typically only apply for specific mime types.
+object &$error: output: true if the file is valid. Otherwise, an indexed array
+ representing the problem with the file, where the first element
+ is the message key and the remaining elements are used as parameters to
+ the message.
+
'UploadComplete': Upon completion of a file upload
$uploadBase: UploadBase (or subclass) object. File can be accessed by
$uploadBase->getLocalFile().