Manual:Importing revisions

Importing revisions can be done interwiki or by upload.

Database
For each page that is imported in a single XML file, a row in the  table will be created.

Files
Contains WikiImporter, UploadSourceAdapter, WikiRevision, ImportStringSource, and ImportStreamSource classes Implements Special:Import Maintenance script

Configuration settings
List of interwiki prefixes for wikis that will be accepted as sources for Special:Import (for sysops). Optional default target namespace for interwiki imports.