There are two aspects to site’s URL in WP (baseline case, multisite aside): Which URL it considers “real”, responds to, and uses to generate links. URLs previously generated and persistently stored in content. Former is pretty malleable and as you discovered already is simply a matter of configuration. More so it’s technically easy (and practically … Read more
After looking through Make WordPress, it looks like this is a known issue that won’t be fixed due to scalability concerns with large networks. That same issue linked above recommends doing exactly the solution discussed above. Specifically, that would look something like this: public static function 145561_activate_new_blog($blog_id) { if (is_plugin_active_for_network(plugin_basename(__FILE__))) { // do activation for … Read more
This is right from the codex page, http://codex.wordpress.org/Function_Reference/is_multisite <?php if ( is_multisite() ) { echo ‘Multisite is enabled’; } ?>
wp_get_attachment_image_src() takes ID of attachment “post type” (in quotes because it’s native WP post type so not quite same thing as CPT). Now while users are shared in multisite, posts are not. The ID (94) that points to specific attachment in your main site has no meaning whatsoever in any other site of your multisite. … Read more
Yes. Simply setup new users in the individual sites. What you are using is what’s called a “super admin” that has network level access. Goto the dashboard for the site you would like to add user access and create a new user account to access that site only.
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/
You need to check that when you are activating the plugin. WordPress will send a Boolean flag to let your function know that this is a network wide activation. register_activation_hook( __FILE__, ‘activate’ ); function activate( $network_wide ) { // $network_wide will be TRUE if activation is network wide if ( $network_wide ) { … Do … Read more
You could modify it through the the_author filter: /** * Set the author name as the site title. */ ! is_admin() && add_filter( ‘the_author’, function( $author ) { return get_bloginfo( ‘name’ ); } ); where we change the author name to the site name on the frontend with the help of the get_bloginfo() function.
Yes, that should be enough if you don’t install poorly written plugins or themes. You should use PHP 5.5 and its built-in OPcache and a multisite setup for more sites. This will reduce load time and the resources you need for the sites.
You can use this filter: wpmu_blogs_columns More info: https://developer.wordpress.org/reference/hooks/wpmu_blogs_columns/