php遍历目录

function zx($dir){
    if(is_dir($dir)){
         $filesnames = scandir($dir);
         foreach ($filesnames as $name) {

             if($name!='.'&&$name!='..'){
             echo $name;

             }
             if($name!='.'&&$name!='..'){
             if(is_dir($name)){
                 zx($name);
             }else{
                 echo '这是文件';
             }
            }
             echo '<br>';

     }
    }

}

zx("C:\wamp\www\zx");