php计算指定文件夹信息(文件夹数,文件数,文件夹大小)

3. //格式化输出目录大小 单位：Bytes，KB，MB，GB
4. //也可以用于统计目录数
5. //site bbs.it-home.org
6. function getDirectorySize($path)
7. {
8. $totalsize = 0;
9. $totalcount = 0;
10. $dircount = 0;
11. if ($handle = opendir ($path))
12. {
13. while (false !== ($file = readdir($handle)))
14. {
15. $nextpath = $path . '/' . $file;
16. if ($file != '.' && $file != '..' && !is_link ($nextpath))
17. {
18. if (is_dir ($nextpath))
19. {
20. $dircount++;
21. $result = getDirectorySize($nextpath);
22. $totalsize += $result['size'];
23. $totalcount += $result['count'];
24. $dircount += $result['dircount'];
25. }
26. elseif (is_file ($nextpath))
27. {
28. $totalsize += filesize ($nextpath);
29. $totalcount++;
30. }
31. }
32. }
33. }
34. closedir ($handle);
35. $total['size'] = $totalsize;
36. $total['count'] = $totalcount;
37. $total['dircount'] = $dircount;
38. return $total;
39. }
41. function sizeFormat($size)
42. {
43. $sizeStr='';
44. if($size {
45. return $size." bytes";
46. }
47. else if($size {
48. $size=round($size/1024,1);
49. return $size." KB";
50. }
51. else if($size {
52. $size=round($size/(1024*1024),1);
53. return $size." MB";
54. }
55. else
56. {
57. $size=round($size/(1024*1024*1024),1);
58. return $size." GB";
59. }
61. }
63. $path="/home/www/htdocs";
64. $ar=getDirectorySize($path);
66. echo "

    路径 : $path

    ";
67. echo "目录大小 : ".sizeFormat($ar['size'])."
    ";
68. echo "文件数 : ".$ar['count']."
    ";
69. echo "目录术 : ".$ar['dircount']."
    ";
71. //print_r($ar);
72. ?>

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