PHP去除重复图片文件的代码

3. /**

4. * 去除重复的图片文件
5. * by bbs.it-home.org
6. */
7. exec("find . -type f", $lines);

8. $arr = array();

9. $del = array();

10. $n = 0;

11. foreach($lines as $line){
12. $line = trim($line);
13. if(!$line){
14. continue;
15. }
16. $n ++;
17. $md5 = md5_file($line);

18. if(isset($arr[$md5])){

19. $del[] = $line;
20. //echo "$n del $line\n";
21. unlink("{$line}");
22. }else{
23. $arr[$md5] = 1;
24. }
25. }

26. echo "del " . count($del) . " files\n";

27. //echo join("\n", $del);

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