Translations:Manual:Index.php/4/en


 * 1) Ensure the version of PHP is supported, otherwise display an error.
 * 2) First, it includes $webstart, which mainly just includes $setup. This in turn sets up the PHP environment for MediaWiki, such as installing the class autoloader, including the vendor dependencies loading $defaultsettings, and applying the site's $localsettings file.
 * 3) Next, it instantiates the MediaWiki class from $wiki, which is responsible for interpreting URL parameters like "title" and "action" to determine what the current request should do. It then dispatches the relevant Action subclass to do that thing.
 * 4) Finally,   is called, which does things like closing database transactions, and running any deferred updates.