Manual:FixDefaultJsonContentPages.php

Details
fixDefaultJsonContentPages.php fixes instances of JSON pages prior to them being the. ContentHandler is part of the MediaWiki core since version 1.21. This script finds JSON pages in  and   namespace and fixes page content model in database.

This script runs by default when you runs. It process 100 items in a batch.

Options/Arguments
This script does not take any options or arguments.