Extensions/NoTitle/NoTitle.php

<?php

$wgExtensionCredits['parserhook'][] = array(

       'name' => 'No title',
       'author' => 'Nx',
       'description' => 'Adds a magic word to hide the title heading.'

);

$wgHooks['LanguageGetMagic'][] = 'NoTitle::addMagicWordLanguage'; $wgHooks['ParserBeforeTidy'][] = 'NoTitle::checkForMagicWord';

class NoTitle {

 static function addMagicWordLanguage(&$magicWords, $langCode) {
   switch($langCode) {
   default:
     $magicWords['notitle'] = array(0, '__NOTITLE__');
   }
   MagicWord::$mDoubleUnderscoreIDs[] = 'notitle';
   return true;
 }

 static function checkForMagicWord(&$parser, &$text) {
   if ( isset( $parser->mDoubleUnderscores['notitle'] ) ) {
     $parser->mOutput->addHeadItem('<style type="text/css">/*<![CDATA[*/ .firstHeading, .subtitle, #siteSub, #contentSub, .pagetitle { display:none; } /*]]>*/</style>');
   }
   return true;
 }

}