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Permissions problem with files in PHP and unlink not deleting all files

I know there has been numerous postings about issues with PHP unlink, and I have tried quite a number of them in the past few days. Nothing seems to work. and it's getting desperate here. I keep receiving 'Permission denied' on the attachments that I extracted and wrote to disk. I am developing using Windows 10, Localhost:8081 using PHP 5.6.40, Wampserver with Apache 2.4.41 That being said, I am logged into my computer as administrator (which I gather doesn't mean a hill of beans to Apache). Here's the flow: I read a email, extract any attachments (files), write them to a folder (which is inside of my project), rename the files (keeping the renamed file in same folder as original folder) to a new name and upload only the newly RENAMED files. And it works well EXCEPT - it will not unlink (delete) the original file. It will unlink the new file (original file renamed), but not the original file. When I extracted the attachments, I wrote them out and issued a chmod(Original file,0777) and so forth (I have tried 0750) thinking that might do the trick since the newly created file deleted. No go. I have tried to rename the original files and move them to another folder, but still does not delete the ORIGINAL file. If I need to add a user or some other thing to Apache etc. please list step-by-step as I am not very versed with Apache. Below is the coding I used to write the file from the extracted attachment. Any help appreciated. It just makes no sense why it deletes the rename file and not the original file.

   $wrkSave = './workToUpload/' . $filename; 
   $fp = fopen($wrkSave, 'w+');
   fwrite($fp, $attachment);
   fclose($fp);
   chmod($wrkSave,0777);
                      
AND this my deletion code:

   $folder_path = './workToUpload'; 
   $files = glob($folder_path . '/*');  
   foreach($files as $file)
    { 
      if (is_file($file))
       { 
        try 
        {
        
          $strNameOnly = str_replace('./workToUpload/','',$file);
          $strFullPath = $_SERVER['DOCUMENT_ROOT'] . '/UPLOADEM/workToUpload/' . $strNameOnly;
          chmod($file,0777);
          unlink($strFullPath); 
          echo 'DELETED FILE: ' . $file . PHP_EOL;
        
        }catch(Exception $e){
            echo 'Message: ' . $e->getMessage() . PHP_EOL;
        }
       }
    }

When I checked to the Apache log and the php log, they just show the error message. I even tried renaming the original file to another folder and still did not delete the original file :(



source https://stackoverflow.com/questions/67781080/permissions-problem-with-files-in-php-and-unlink-not-deleting-all-files

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