MW_EXT_Kernel.class.php
public static function getConfig( $config ) {
		$context = RequestContext::getMain()->getConfig();
		$out     = $context->get( $config );

		return $out;
	}
public static function getConfig( $config ) {
		$context = RequestContext::getMain()->getConfig();
		$out     = $context->get( $config );

		return $out;
	}
Wiki Framework: Configuration parameters.

@param $config

@return mixed
@throws \ConfigException