cybermercenario

Thank you for the warning but this server is only for development purposes. In my case the easiest way is to operate with www-data.

Thank you for a quick reply.

One never stop learning. ??
I thought it is enough to add www-data to that group.

As www-data is the user that web server on Ubuntu (Apache) use by default, what I have to do is change the owner to www-data with
chown -R www-data:group1 /var/www/webfolder/

right?

Now it works like a charm. Very useful. Thank you for this plugin.

Problem solved.
My mistake. I had code outside of <?php