< Manual:Hooks
| GetDifferenceEngine | |
|---|---|
| Available from version 1.25.0 (Gerrit change 166143) Allows custom difference engine extensions such as Extension:WikEdDiff. | |
| Define function: | public static function onGetDifferenceEngine( $context, $old, $new, $refreshCache, $unhide, &$differenceEngine ) { ... }
|
| Attach hook: | In extension.json:
{
"Hooks": {
"GetDifferenceEngine": "MyExtensionHooks::onGetDifferenceEngine"
}
}
|
| Called from: | File(s): content/ContentHandler.php |
| Interface: | GetDifferenceEngineHook.php |
For more information about attaching hooks, see Manual:Hooks.
For examples of extensions using this hook, see Category:GetDifferenceEngine extensions.
Details
Called when getting a new difference engine interface object. Return false for valid object in $differenceEngine or true for the default difference engine.
- $context: IContextSource context to be used for diff
- $old: Revision ID to show and diff with
- $new: Either a revision ID or one of the strings 'cur', 'prev' or 'next'
- $refreshCache: If set, refreshes the diff cache
- $unhide: If set, allow viewing deleted revs
- &$differenceEngine: output parameter, difference engine object to be used for diff
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