Manual:DoMaintenance.php

Details
doMaintenance.php file is a maint-scripts>Special:MyLanguage/Manual:Maintenance scripts|maintenance script to verify the most important files and run some jobs automatically.

Usages
Whenever we write the maintenance script, we add  in the end of file.

Here  loads  doMaintenance.php  file which autoloads MediaWiki classes and configuration to run script smoothly.