Since wordpress multisite uses different tables for all blogs, it is very inefficient to get all recent articles of all blogs (content aggregation) on display time since you have to query all blogs, sort the articles by date and display the ammount you need. Plugins like WordPress Post Indexer (https://premium.wpmudev.org/project/post-indexer) additional write all posts into … Read more
You’d have to make you site categories slug match your theme categories folder names. Here’s how to filter themes: Hide a theme on list of themes in wp-admin without editing core files And then, supposing a site has the category a-p and the themes are stored in themes/a-p/, this will filter them out: add_filter( ‘all_themes’, … Read more
Network Activate does pretty much what you thought it does: It activates the plugin on all sites in the network. It also takes it out of the default Plugin view on the plugins screen for all those sites, so they no longer have the option to either activate it or deactivate it. So if you’re … Read more
It works for the whole network, not for a specific sub site. Basically that mechanism is intended to be used when there is a software upgrade, time in which you don’t want to have visitors on the site that might result in some data corruption (especialy logged in users, but not only).
When you’re adding the wildcard subdomain, you need to make sure it is registered last in your ANAME records. Then make sure all of the static subdomains (webmail.domainname.com, cpanel.domainname.com, etc) appear before it. When using wildcard subdomains, the server starts at the top of the list and works its way down. If all you have … Read more
Add to your functions.php file the following code, this will hook into your admin header section and will place the style you chose accordingly to the matching site. add_action(‘admin_enqueue_scripts’, ‘my_admin_background’); function my_admin_background() { wp_enqueue_style( ‘custom-style’, get_template_directory_uri() . ‘/css/custom_script.css’ ); global $blog_id; $color=””; if ($blog_id == 1) { $color=”white”; } elseif ($blog_id == 2) { $color=”red”; … Read more
The wpseo_opengraph_image filter can only be used to modify the existing og:image. Otherwise, you will need to hook into the wpseo_opengraph action to add a different image. Here’s an example of adding an image from a custom field on the post object (assuming you’re using ACF here). function my_wpseo_opengraph() { global $post; if (isset($post)) { … Read more
As far as I remember the users in multisite are shared. They are tracked in one database table and use same cookie for authentication. The more practical approach is to track not merely login status, but capabilities. Users should be exposed to actions/information that they can perform/see, according to their Role on specific site. You … Read more
It is a fact of life that you will have to deal with some spam on any site. There are other ways of combating spam: such as a Q&A Captcha (the site asks the user a question such as “What is the name of the site?” and the user has to answer it correctly: very … Read more
I began using Multisite just a few months ago, and am really loving it. You’re going to want to use the sub-domain structure if you have a host that supports it. I use a Media Temple Grid Server plan. It will allow you to create a subdomain and then mask it with a symbolic link. … Read more