Yes. Yes they can. In my testing and throughout the code you see
switch_to_blog(another_blog);
do_something();
restore_current_blog();
If you weren’t able to do that I think WP would not run.
Related Posts:
- How to add super admin to all sites
- How do I check if the user is a site owner in a network?
- Admin users not able to see network menus
- Add additional Network constants to wp-config.php dynamically
- Add WordPress MU Network Admin via Database
- How do I change the Multisite URL?
- How Can I Centralize Content Usage and Approval in a WordPress Multi-Site installation
- How to hide admin account in BuddyPress? (for security reasons)
- Post and Page Inheritance to subsites in a WordPress Network
- Roles other than Super admin accessing manage_network_themes
- Restrict Admin Capabilities in MultiSite
- Multisite: How to store global options vs. site options?
- Single-user registration to access all sites in WordPress MultiSite Network
- WPMU vs WordPress MultiSite is there a difference anymore?
- Timeout While Upgrading Network in Multi-site
- Uploading Images to Multi-Site Causes Failure to HTTP Error
- ID’s being stripped out of editor for Admin user in Multi-Site
- “Upgrade Network” error: stuck with SSL certificate verification
- Add new domain to ‘My Sites’ using network admin
- How to add multiple existing users to a multisite site?
- Favicon plugin for WordPress running in network mode (multisite)? [closed]
- current_user_can(‘Administrator’) does not return true in multisite if user is Administrator but NOT Super Admin
- Can I manage more wordpress sites with one wordpress administrator page? [closed]
- Add menu page on multisite
- No Network/Super admin after enabling Network
- How to get the site administrator/s by blog id
- Problem in Internationalizing a plugin built for network level usage
- Multisite network admin – URL / redirect error
- Change Username?
- Restrict Admin Capabilities in MultiSite
- WP Multisite – domain mapping to domain.com and separate site to domain.com/help
- Is there a way to run upgrade.php for one blog?
- current_user_can() always returns true if user is super admin
- Include only a domain path in multisite Network
- Possible to enqueue scripts and CSS to Multisite Network dashboard?
- Adding new sites to Multisite won’t register in Dashboard
- Unable to apply theme to WordPress Network Site install
- Four columns in the wp_users table
- WordPress Multisite dashboards redirect to homepage
- Multi-Site Subdomain: Show master site under subdomain if no sub site exists
- How to force change Network site multi language subdirectory base URL?
- Merge Multisites with Shared Network Media Library
- Limit entries number on network/sites.php
- Multisite User cannot access dashboard
- Multisite Subdirectory with same domain subdomain
- How to create a Multi-Network subsite?
- Create Custom Multisite User Role to Reduce Capabilities
- InfiiniteWP and WP Networks (multisite)
- Renaming admin user on multisite install by MySQL
- HTTPS Warning and Certificate Error when Updating Network
- Multisite, with virtual root
- Site’s admin created with wpmu_create_blog accessible only on 2nd attempt
- Where to set individual blog quotas?
- How to exclude specified from all list of Multisite
- How to wordpress multi site [closed]
- Network of multisites in WordPress, create new site with all the contents of the main
- how to have __() translating in languages different from admin?
- MultiSite: new Sites not showing up
- Locking one blog of many in a multi user/blog WordPress installation
- Programmatically creating site in a network
- Is There A Plugin to Create WP Multisite Installs programatically
- switch_to_blog() not functioning while querying post_types, Why?
- WordPress Multisite with subdomains on different domains
- Can’t create a subdomain network – and WP is installed in webroot, not a folder
- WordPress multisite, allow non super admins to create sites
- Forward and mask a WordPress website
- WordPress multisite with same content
- Can I use the same Folder name as a Multisite Blog?
- How can I create network with different domains?
- multisite – unable to connect to network administration
- Add Network Sites are not working
- Function to Load Admin CSS for Super Admin on Multisite
- Getting stylesheet error after setting subdomain to false in multisite
- How to hold posts and accounts for moderation on WordPress Network site
- My Sites link in multisite is incorrect
- Multisite network admin login redirect
- Hook into ‘admin_url’ but only on Mysites admin bar menu
- Multisite network subdomains doesn’t work
- Cannot enable WordPress Network – ‘MULTISITE’ already defined and false
- Change header.php of a specific WordPress Multisite
- Modify new user email notification in network admin screen wp multisite
- WordPress Multisite – Auto enable theme
- Issue when transforming an existing site to multi-site with subfolders setup
- network admin pages not linked to correctly
- How to split database of WordPress multi-site network into multiple database
- WordPress Multisite FQDN Admin Access
- Delete all blogs on multisite
- How to create 30 new sites from an export of a master site?
- Move two independent sites to network
- How to configure CNAMES to be part of a WordPress Network
- Cannot access network admin panel on multi site
- How to apply specific plugins to affect all sites (Multisite Network)
- Admin user getting redirected to /wp-admin/user
- Getting 404 after Update in Multisite
- Pages redirect me to the homepage
- Not an admin on a multisite setup but I want to change the fonts
- 4th Network Site Database Errors?
- How to display update message only to admin
- WordPress Multisite (Network) some site users added to main site users list as subscriber
- List all blogs a user can admin [duplicate]