Manual:Rebuildall.php

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Details
rebuildall.php file is a maintenance script to rebuild the links and indices used for searching your site.

You should run this script after importing some data into your wiki. It will populate the categorylinks, pagelinks, and imagelinks tables and refresh the search index. It will not import or "register" images (even if they are in upload directory and there are articles referencing them). You should use the or  scripts to do this.

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