grosshat

I am not sure I understand that right. Your DocumentRoot point to different filesystem directories. Does it make sense?

If that is on production, and you cannot enable debug on PHP, you should check out the logs (error logs) of your HTTP server (Apache?).

Do they have the same email as the network admin email address?

A post must have an author, and that author must be logged for doing that. So start to think if your user has been compromised.

At the same time you can set your site as non friendly for searching engine, so while you fix the problems you have no worried about such spam posts.

Yep. So, why does not work when you use the value returned by bloginfo('language')? :/

Why do not build a SQL query to fetch the custom taxonomy?

Do you mean theme when you say ‘template’? On WordPress they are different things:

https://codex.www.ads-software.com/Templates
https://codex.www.ads-software.com/Themes

You have multiple ways for doing that coding.

An easy/clean way might be using a specific theme for the main site, and coding in that functions to fetch the contents you want from the rest of the sites. You would fetch such contents passing the category as a parameter.

If the contents you fetch are just post contents, you also could the feeds by category for fetching them.

I’m not sure I understand what you have and what you want to get. I think you want to run a network with domain mapping. Is it?

Check out this tutorial:
https://wp.tutsplus.com/tutorials/wordpress-multisite-beyond-basics-essentials-and-domain-mapping/

Sorry, I thought it existed. :/

Mmmm… I’ll look at possible solution coding. Not sure about that, but I try.

Opla! I’ve not read right.

Anyway, there is option for that on the same settings. ??

Great! You got your multisite working. ??

What plugin are you using for managing languages?

You can set that manually on the each instance. Sites -> Site -> Edit -> Settings -> Site Upload Space Quota.

Something going wrong. :/

If you give the value to a variable and then make a substr, what do you get?

$iso = ‘en-US’;
$lang = substr( $iso, 0, 2 );
print_r( $lang );

You get the theme editor in the network admin only.

Right. I have forgotten that. I am so much in the habit of using own code to show a link on each site for editing theme, that I have forgotten it is not natively integrated on WordPress.