Aggregate multisite RSS and restrict certain content

The bottom line is that you’ll need to have all the post content in one place in order to be able to form it into a single feed. (Querying efficiently across 18 different post tables is more or less impossible.) My go-to method is to use the Sitewide Tags plugin https://wordpress.org/extend/plugins/wordpress-mu-sitewide-tags/, which allows you to … Read more

How to protect post attachments related to a custom post type, from non-logged in users, on 1 subsite of a multisite installation?

Andrew, In the case where your custom post type exists on only one sub-site of your Multi Site installation, you can in your template file in which controls the display and output of your custom post type work with simple conditional functions such as; is_singular(‘post_type_name’); is_user_logged_in(); …and in-fact it might well be as simple as; … Read more

Memory question on WordPress Multisite

No, this has to do with each page load and uses PHP’s memory_get_usage() plugin. Every page load will have a slightly different memory usage. Disabling plugins will decrease it, as the plugin doesn’t have to load on that page. This means that the usage will be different on every blog, and possibly on different pages … Read more