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• Linux is case sensitive, have you specified paths correctly to match the case of the folders on the file system?
• Is the folder within your webroot - if not, you may have to edit the apache config to set apache permissions for accessing that folder (not just the folder permissions)
• Have you looked in the error.log to see what the error output is from PHP. Windows typically has display errors on, this might not be on for a Linux server by default so you'd be missing the error output.

Looking briefly at your code, though not knowing anything else like file name, folder name - you check for file extensions but have not lowercased all (input extension and array to compare with) to ensure case sensitivity is not an issue here. For example file.JPG and file.jpeg will not match your array.

Secondly youn don't check the result of move_uploaded_file, this might help to be sure it succeeded at this point, or not. As mentioned earlier, do check the error log.

Just to add, this code is full of security vulnerabilities - fine for starting out learning but I wouldn't go putting this into production anywhere.

You are setting $project['ccname'] within the inner while loop. But the loop will not be entered, if there are no child categories. It is also wasteful, because you are overwriting it again and again in every loop iteration.

Formatting Json manually can lead to confusion and is prone to errors.

A better solution is to use json_encode.

here are the lines you should change:

The restore link points to the wrong php file.

Replace:

I think the problem lies with the following lines:

Reason:-

id is treated as unique identifier in jQuery.Since all spansin your code have same id, that's why code only working for first-one.

Solution:-

Convert id to class in your HTML code like below:-

And change # to . in jQuery like below:-

Few things you can check to make this proper. As this is a file resource so you have to think outside the code also. I know from last 5 days you have done a lot of R&D and might have finished all below mentioned steps but try these one more time. I hope it will solve your problem.

1. where you are uploading is having proper write permission or not
2. make error reporting available on top of the code
3. create error log wherever you are using move_uploaded_file
4. check with breakpoints wether your code is reaching till uploading point of code or not
5. as said in comments of your question check what move_uploaded_file function returns.

6. Check this link also for step by step error check on file upload

   php_value upload_max_filesize = 16G

   php_value post_max_size = 16G

   php_value max_input_time 3600

   php_value max_execution_time 3600

Enter this code in your .htaccess with changing value as you need.