Available from version 1.16.0
Called at the end of a revision in an XML dump, to add extra metadata.
Define function:
public static function onXmlDumpWriterWriteRevision( $obj, &$out, $row, $text ) { ... }
Attach hook:

In extension.json:

	"Hooks": {
		"XmlDumpWriterWriteRevision": "MyExtensionHooks::onXmlDumpWriterWriteRevision"

For MediaWiki ≤1.25:

$wgHooks['XmlDumpWriterWriteRevision'][] = 'MyExtensionHooks::onXmlDumpWriterWriteRevision';
Called from:File(s): export/XmlDumpWriter.php

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


  • $obj: The XmlDumpWriter object.
  • &$out: The text being output.
  • $row: The database row for the revision.
  • $text: The revision text.