php 创建多级目录

        if(!mkdir($dir, 0777)){
            return FALSE;
        }
    }

    return TRUE;
}

  $path="/aa/bb/cc/cd"; //要创建的目录
   $mode=0755; //创建目录的模式
   createdir($path,$mode);//测试

function mkdirs($dir, $mode = 0777)
{
    $dirArray = explode("/",$dir);
    $dirArray = array_filter($dirArray);
  
    $created = "";
    foreach($dirArray as $key => $value){
        if(!empty($created)){
            $created .= "/".$value;
            if(!is_dir($created)){
                mkdir($created,$mode);
            }
        }else{
            if(!is_dir($value)){
                mkdir($value,$mode);
            }
            $created .= $value;
        }
    }
}
?>
//代码应用实例
$path="abc/ff/ss/";
mkdirs($path,$mode = 0777);