function createFolder($path)
 {
     if (!is_dir($path)) {
         PW_FileOperate::createFolder(dirname($path));
         @mkdir($path);
         @chmod($path, 0777);
     }
 }
 function createChannel($name, $alias, $theme, $domain)
 {
     $channelId = $this->addChannel($name, $alias, $theme, $domain);
     $channelPath = $this->getChannelPath($alias);
     L::loadClass('fileoperate', 'utility', false);
     PW_FileOperate::createFolder(S::escapePath($channelPath));
     $this->_createChannelFiles($theme, $alias, $name);
     return $channelId;
 }