if($MemInfo[&#39;usergroup&#39;]<>1){
	   $UpdateArr			  =	array();
	   $UpdateArr[&#39;field&#39;]	=	array();
	   $UpdateArr[&#39;field&#39;][&#39;usergroup&#39;]    =    4;
	   $UpdateArr[&#39;field&#39;][&#39;username_style_cache&#39;]    =    $MemInfo[&#39;username&#39;];
	   $UpdateArr[&#39;where&#39;]					    =    array(&#39;id&#39;,$MemInfo[&#39;id&#39;]);

	   $update = $PowerBB->member->UpdateMember($UpdateArr);
}