public static function buildFullPage($data){
$sections = "";
$GLOBALS['tid'] = $data['tid'];
$moduleList = $data['moduleList'] ? $data['moduleList'] : $data['module_list'];
$css = base64_decode($data['css']);
usort($moduleList,'self::sortModuleList');
if(!$moduleList)return null;
foreach($moduleList as $module){
if($module['del']==1)break;
$json = json_decode(base64_decode($module['content']),true);
$sections .= self::moduleHandler( $json );
}
$config = HaloEnv::getConfig();
$resourceRoot = $config['img']['root'];
return <<<html
这一整段代码的作用是什么