Something

function wfGetSiteNotice() {    global $wgUser, $wgSiteNotice;    $fname = 'wfGetSiteNotice';    wfProfileIn( $fname );    $siteNotice = '';            if( wfRunHooks( 'SiteNoticeBefore', array( &$siteNotice ) ) ) {        if( is_object( $wgUser ) && $wgUser->isLoggedIn() ) {            $siteNotice = wfGetCachedNotice( 'sitenotice' );            $siteNotice = !$siteNotice ? $wgSiteNotice : $siteNotice;        } else {            $anonNotice = wfGetCachedNotice( 'anonnotice' );            if( !$anonNotice ) {                $siteNotice = wfGetCachedNotice( 'sitenotice' );                $siteNotice = !$siteNotice ? $wgSiteNotice : $siteNotice;            } else {                $siteNotice = $anonNotice;            }        }    }    wfRunHooks( 'SiteNoticeAfter', array( &$siteNotice ) );    wfProfileOut( $fname );    return $siteNotice;}