MediaWiki

1. Open Link in new window

$wgExternalLinkTarget = '_blank';

1. Benutzerregistrierung deaktivieren

$wgWhitelistAccount = array ( "user" => 0, "sysop" => 1, "developer" => 1 );
$wgGroupPermissions['*']['createaccount'] = false;
$wgGroupPermissions['*']['createtalk'] = false;

1. Disable anonymous editing and talk

$wgGroupPermissions['*']['edit'] = false;
$wgDisableAnonTalk = true;

1. Anonymous users can't create pages

$wgGroupPermissions['*']['createpage'] = false;
$wgShowIPinHeader = false;

1. DELETE FOOTER

$wgHooks['SkinTemplateOutputPageBeforeExec'][] = function( $sk, &$tpl ) {
       # Remove existing entries
       $tpl->data['footerlinks']['places'] = array();
       return true;
};

unset( $wgFooterIcons['poweredby'] );