php 循环创建目录

function mk_mkdir($path){
         $dirs = explode("/", $path);
         $current_dir = "";
         foreach($dirs as $dir){
                   $current_dir .= $dir."/";
                   if(!file_exists($current_dir))
                   {
                            @mkdir($current_dir, 0777);
                   }
          }
}