计算指定文件夹的信息(文件夹数,文件数,文件夹大小)

计算文件夹的大小，包括子文件夹，格式化输出文件夹大小、文件数、子文件夹数信息。

//代码也可以用于统计目录数
//格式化输出目录大小 单位：Bytes，KB，MB，GB

function getDirectorySize($path)
{
$totalsize = 0;
$totalcount = 0;
$dircount = 0;
if ($handle = opendir ($path))
{
while (false !== ($file = readdir($handle)))
{
$nextpath = $path . '/' . $file;
if ($file != '.' && $file != '..' && !is_link ($nextpath))
{
if (is_dir ($nextpath))
{
$dircount++;
$result = getDirectorySize($nextpath);
$totalsize += $result['size'];
$totalcount += $result['count'];
$dircount += $result['dircount'];
}
elseif (is_file ($nextpath))
{
$totalsize += filesize ($nextpath);
$totalcount++;
}
}
}
}
closedir ($handle);
$total['size'] = $totalsize;
$total['count'] = $totalcount;
$total['dircount'] = $dircount;
return $total;
}

function sizeFormat($size)
{
$sizeStr='';
if($size {
return $size." bytes";
}
else if($size {
$size=round($size/1024,1);
return $size." KB";
}
else if($size {
$size=round($size/(1024*1024),1);
return $size." MB";
}
else
{
$size=round($size/(1024*1024*1024),1);
return $size." GB";
}

}

$path="/home/www/htdocs";
$ar=getDirectorySize($path);

echo "

路径 : $path

";
echo "目录大小 : ".sizeFormat($ar['size'])."
";
echo "文件数 : ".$ar['count']."
";
echo "目录术 : ".$ar['dircount']."
";

//print_r($ar);
?>

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