php获取文件夹信息的统计函数

3. //统计文件夹的相关信息

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

41. //格式化输出信息

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

    您查看的路径 : $path

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

74. //输出

75. //print_r($ar);
76. ?>

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 < $kb)
32. {
33. return $size." B";
34. }
35. else if($size < $mb)
36. {
37. return round($size/$kb,2)." KB";
38. }
39. else if($size < $gb)
40. {
41. return round($size/$mb,2)." MB";
42. }
43. else if($size < $tb)
44. {
45. return round($size/$gb,2)." GB";
46. }
47. else
48. {
49. return round($size/$tb,2)." TB";
50. }
51. }
52. echo getRealSize(getDirSize('目录路径'));
53. ?>