What permissions does a PHP script need to upload a file to the server?

When uploading a file to the server using a PHP script, the script needs to have write permissions on the directory where the file will be uploaded. This means that the directory should have the correct permissions set to allow the PHP script to write to it. Typically, setting the directory permissions to 755 should be sufficient for most cases.

// Ensure the directory has the correct permissions for file uploads
chmod("upload_directory", 0755);

// Your file upload code here