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Homephp教程php手册回昨天的删除目录方法

昨天看见一个贴子问怎么删除目录,以前一直可以,但昨天出了问题,原来他只是把他下级的文件删了后就删

目录所以如果多几级就有问题。

我的这个只能暂时凑活着用,如果你的目录没有十几层的话应该没有问题的吧~,但我不熟悉递归只能做到

deltree($path);rmdir($path)才能删除这个目录能不能做到直接deltree($path);就删除这个目录??

function deltree($pathdir)
{
echo $pathdir;//我调试时用的

if(is_empty_dir($pathdir))//如果是空的
    {
    rmdir($pathdir);//直接删除
    }
    else
    {//否则读这个目录,除了.和..外
        $d=dir($pathdir);
        while($a=$d->read())
        {
        if(is_file($pathdir.'/'.$a) && ($a!='.') && ($a!='..')){unlink($pathdir.'/'.$a);}
        //如果是文件就直接删除
        if(is_dir($pathdir.'/'.$a) && ($a!='.') && ($a!='..'))
        {//如果是目录
            if(!is_empty_dir($pathdir.'/'.$a))//是否为空
            {//如果不是,调用自身,不过是原来的路径+他下级的目录名
            deltree($pathdir.'/'.$a);
            }
            if(is_empty_dir($pathdir.'/'.$a))
            {//如果是空就直接删除
            rmdir($pathdir.'/'.$a);
            }
        }
        }
        $d->close();
        
    echo "必须先删除目录下的所有文件";//我调试时用的
    
    }

}

function is_empty_dir($pathdir)
{//判断目录是否为空,我的方法不是很好吧?只是看除了.和..之外有其他东西不是为空,PHP有没有给出什么

函数?
$d=opendir($pathdir);
$i=0;
    while($a=readdir($d))
    {
    $i++;
    }
closedir($d);
if($i>2){return false;}
else return true;
}



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