public static function checkPurge( $timekey, $key ) {
global $wgRequest, $wgUser, $messageMemc;
$purge = $wgRequest->getVal( 'action' ) === 'purge';
public static function checkPurge( $timekey, $key ) {
global $wgRequest, $wgUser, $messageMemc;
$purge = $wgRequest->getVal( 'action' ) === 'purge';