Hot answers tagged multisite
Google App Engine is a third party host and dealing with them is really off topic here. That error is a simple permission and/or file error and has nothing to do with WordPress itself. You're beter off asking at Google http://googlecloudplatform.github.io/appengine-php-wordpress-starter-project/ or trying https://wordpress.org/plugins/google-app-engine/
It sounds like it's not possible with stock WordPress Multisite to have a subdomain network from a WordPress-in-a-subdirectory installation: WordPress must run from the root of your webfolder (i.e. public_html) for subdomains to work correctly. They will not work from within a subdirectory. -- Before You Create a Network
Yes, get_site_option() is for data about the whole network. The irritation comes from a mixed vocabulary: what was a site once is a network nowadays, and what was a blog once is now a site in a network. wp_get_sites() for example is from version 3.7, it fetches sites in a network, not all networks in an installation. So a site in wp_get_sites() is not the ...
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