PHP modifies the program code of the file and all file suffixes under the file_PHP tutorial

2. //This file and the file in the directory to be changed are placed in the same folder.
3. //The main purpose of the code is to change the file suffix in batches. Since the Taobao data package image types are different, it needs to be changed to the appropriate one
4. define("STA",".gif");/ /Original file format
5. define("END",".jpg");//Format to be changed
6. $dir = "./";
7. $ arr = allfile($dir);
8. foreach($arr as $t)
9. {
10. $t=str_replace(".//","",$ t);
11. if(substr_count($t,STA)>0)
12. {
13. $f2=str_replace(STA,"",$t);
14. rename($t,$f2.END);
15. }
16. }
18. //Get all files in the directory Function
19. function allfile($dir)
20. {
21.               $files=array();                                                                                                            
{
22.                                                                                                                                                                           if($handle) {
23. While (FALSE! == ($ File = Readdir ($ Handle)) {
24. if ($ file! =. && $ file! = ..) {
25. $filename = $dir . "/" . $file; $filename;
26.                                                                                 {
27.                                                                                                                                                                                                                        >                                                                                                                                                                                                                                                      .
                closedir($handle);                                                                            >
30. http://www.bkjia.com/PHPjc/486104.html
31. www.bkjia.com
32. true
33. http: //www.bkjia.com/PHPjc/486104.html
34. TechArticle
35. ?php //This file is placed in the same folder as the file in the directory to be changed. //The main purpose of the code is to batch change the file suffix. Due to the different types of Taobao data packet pictures, it is necessary to...