Tutorial on PHP Creating file instance code _php

Explain PHP Create file instance code:

2. $data =date ("YMD");
3. $dir = "/hom/kyle/file/$data";
4. $filename = "/home/kyle/file/$data/testfile";
5. $filecontent = "This is the content to be written to test space spaces";
6. Determine if the folder exists or create
7. if (!is_dir ($dir)) {
8. mkdir ($dir, 0777);
9. }
10. Determine if the file exists or create
11. if (!file_exists ($filename)) {$handle =fopen ($filename, W);
12. if (! $handle) {
13. echo Create file fail;
14. Exit
15. }else{
16. chmod ($filename, 0777);
17. }
18. if (fwrite ($handle, $filecontent) = = = = FALSE) {
19. echo "Cant write into $filename";
20. Exit
21. }
22. Fclose ($handle);
23. }
24. ?>

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