PHP计算一个文件夹的大小

http://blog.1dnet.net/?post=839

1. //http://blog.1dnet.net
2. function dirSize($directoty){
3. $dir_size=0;
5. if($dir_handle=@opendir($directoty))
6. {
7. while($filename=readdir($dir_handle)){
8. $subFile=$directoty.DIRECTORY_SEPARATOR.$filename;
9. if($filename=='.'||$filename=='..'){
10. continue;
11. }elseif (is_dir($subFile))
12. {
13. $dir_size+=dirSize($subFile);
14. }elseif (is_file($subFile)){
15. $dir_size+=filesize($subFile);
16. }
17. }
18. closedir($dir_handle);
19. }
20. return ($dir_size);
21. }
23. $dir_size=dirSize("xym");
24. echo round($dir_size/pow(1024,1),2)."KB";
25. ?>

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