Translations:Manual:RefreshLinks.php/2/en

refreshLinks.php file is a maintenance script to [re]fill pagelinks, categorylinks, imagelinks tables. You should run it if you found that Categories are empty or don't show all pages, if "What links here?" doesn't work well or in some other link-related trouble. Additionally this script purges links that point to non-existing pages from the tables pagelinks, imagelinks, categorylinks, templatelinks, externallinks, iwlinks, langlinks, redirect, and page_props.