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"
Called from: File(s): export/XmlDumpWriter.php
Interface: XmlDumpWriterWriteRevisionHook.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.