<?
02 //代码也可以用于统计目录数
03 //格式化输出目录大小 单位：Bytes，KB，MB，GB
04
05 function getDirectorySize($path)
06 {
07 $totalsize = 0;
08 $totalcount = 0;
09 $dircount = 0;
10 if ($handle = opendir ($path))
11 {
12 while (false !== ($file = readdir($handle)))
13 {
14 $nextpath = $path . '/' . $file;
15 if ($file != '.' && $file != '..' && !is_link ($nextpath))
16 {
17 if (is_dir ($nextpath))
18 {
19 $dircount++;
20 $result = getDirectorySize($nextpath);
21 $totalsize += $result['size'];
22 $totalcount += $result['count'];
23 $dircount += $result['dircount'];
24 }
25 elseif (is_file ($nextpath))
26 {
27 $totalsize += filesize ($nextpath);
28 $totalcount++;
29 }
30 }
31 }
32 }
33 closedir ($handle);
34 $total['size'] = $totalsize;
35 $total['count'] = $totalcount;
36 $total['dircount'] = $dircount;
37 return $total;
38 }
39
40 function sizeFormat($size)
41 {
42 $sizeStr='';
43 if($size<1024)
44 {
45 return $size." bytes";
46 }
47 else if($size<(1024*1024))
48 {
49 $size=round($size/1024,1);
50 return $size." KB";
51 }
52 else if($size<(1024*1024*1024))
53 {
54 $size=round($size/(1024*1024),1);
55 return $size." MB";
56 }
57 else
58 {
59 $size=round($size/(1024*1024*1024),1);
60 return $size." GB";
61 }
62
63 }
64
65 $path="/home/www/htdocs";
66 $ar=getDirectorySize($path);
67
68 echo "<h4>路径 : $path</h4>";
69 echo "目录大小 : ".sizeFormat($ar['size'])."<br>";
70 echo "文件数 : ".$ar['count']."<br>";
71 echo "目录术 : ".$ar['dircount']."<br>";
72
73 //print_r($ar);
74 ?>
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