php获取文件夹信息的统计函数

4. //统计文件夹的相关信息
5. //统计目录数
6. //格式化输出目录大小 单位：Bytes，KB，MB，GB
8. function getFolderSize($path)
9. {
10. $totalsize = 0;
11. $totalcount = 0;
12. $dircount = 0;
13. if ($handle = opendir ($path))
14. {
15. while (false !== ($file = readdir($handle)))
16. {
17. $nextpath = $path . '/' . $file;
18. if ($file != '.' && $file != '..' && !is_link ($nextpath))
19. {
20. if (is_dir ($nextpath))
21. {
22. $dircount++;
23. $result = getFolderSize($nextpath);
24. $totalsize += $result['size'];
25. $totalcount += $result['count'];
26. $dircount += $result['dircount'];
27. }
28. elseif (is_file ($nextpath))
29. {
30. $totalsize += filesize ($nextpath);
31. $totalcount++;
32. }
33. }
34. }
35. }
36. closedir ($handle);
37. $total['size'] = $totalsize;
38. $total['count'] = $totalcount;
39. $total['dircount'] = $dircount;
40. return $total;
41. }

42. //格式化输出信息

43. function sizeFormat($size)
44. {
45. $sizeStr='';
46. if($size {
47. return $size." bytes";
48. }
49. else if($size {
50. $size=round($size/1024,1);
51. return $size." KB";
52. }
53. else if($size {
54. $size=round($size/(1024*1024),1);
55. return $size." MB";
56. } bbs.it-home.org
57. else
58. {
59. $size=round($size/(1024*1024*1024),1);
60. return $size." GB";
61. }
63. }
65. $path="/var/www";
66. $ar=getFolderSize($path);
68. echo "

    您查看的路径 : $path

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

72. //输出

73. //print_r($ar);
74. ?>

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例2，php获取文件夹大小的函数

2. // 获取文件夹大小
3. function getDirSize($dir)
4. {
5. $handle = opendir($dir);
6. while (false!==($FolderOrFile = readdir($handle)))
7. {
8. if($FolderOrFile != "." && $FolderOrFile != "..")
9. {
10. if(is_dir("$dir/$FolderOrFile"))
11. {
12. $sizeResult += getDirSize("$dir/$FolderOrFile");
13. }
14. else
15. {
16. $sizeResult += filesize("$dir/$FolderOrFile");
17. }
18. }
19. }
20. closedir($handle);
21. return $sizeResult;
22. }
23. // 单位自动转换函数
24. function getRealSize($size)
25. {
26. $kb = 1024; // Kilobyte
27. $mb = 1024 * $kb; // Megabyte
28. $gb = 1024 * $mb; // Gigabyte
29. $tb = 1024 * $gb; // Terabyte
31. if($size {
32. return $size." B";
33. }
34. else if($size {
35. return round($size/$kb,2)." KB";
36. }
37. else if($size {
38. return round($size/$mb,2)." MB";
39. }
40. else if($size {
41. return round($size/$gb,2)." GB";
42. }
43. else
44. {
45. return round($size/$tb,2)." TB";
46. }
47. }
48. echo getRealSize(getDirSize('目录路径'));
49. ?>

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