Manual:Hooks/DifferenceEngineShowEmptyOldContent

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DifferenceEngineShowEmptyOldContent
Available from version 1.29.0 (Gerrit change 298026)
Allows extensions to change the diff table body (without header) in cases when there is no old revision or the old and new revisions are identical.
Define function:
public static function onDifferenceEngineShowEmptyOldContent( DifferenceEngine $differenceEngine ) { ... }
Attach hook:

In extension.json:

{
	"Hooks": {
		"DifferenceEngineShowEmptyOldContent": "MyExtensionHooks::onDifferenceEngineShowEmptyOldContent"
	}
}

For MediaWiki ≤1.25:

$wgHooks['DifferenceEngineShowEmptyOldContent'][] = 'MyExtensionHooks::onDifferenceEngineShowEmptyOldContent';
Called from:File(s): diff/DifferenceEngine.php
Function(s): getDiffBody

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

Details[edit]

  • $differenceEngine: DifferenceEngine object