These is the install file for the Validator extension. Extension page on mediawiki.org: https://www.mediawiki.org/wiki/Extension:Validator Latest version of the install file: https://gerrit.wikimedia.org/r/gitweb?p=mediawiki/extensions/Validator.git;a=blob;f=INSTALL == Requirements == Validator requires: * MediaWiki 1.16 or above ( MediaWiki 1.19 or above recommended) * PHP 5.2 or above (PHP 5.3 or above recommended) == Download == Release packages: https://code.google.com/p/mwvalidator/downloads/list git clone https://gerrit.wikimedia.org/r/p/mediawiki/extensions/Validator.git == Installation == Once you have downloaded the code, place the ''Validator'' directory within your MediaWiki 'extensions' directory. Then add the following code to your [[Manual:LocalSettings.php|LocalSettings.php]] file: # Validator require_once( "$IP/extensions/Validator/Validator.php" ); This should be done before any extension using Validator.