Displays a navigation menu.
wpmu_current_site
This deprecated function managed much of the site and network loading in multisite.
get_current_site_name
This deprecated function formerly set the site_name property of the $current_site object.
ms_not_installed
Displays a failure message.
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ms_site_check
Filters checking the status of the current blog.
ms_site_check
Checks status of current blog.
is_subdomain_install
Whether a subdomain configuration is enabled.
subdirectory_reserved_names
Filters reserved site names on a sub-directory Multisite installation.
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upload_size_limit_filter
Filters the maximum upload file size allowed, in bytes.
is_upload_space_available
Determines if there is any upload space left in the current blog’s quota.
get_upload_space_available
Determines if there is any upload space left in the current blog’s quota.
blog_redirect_404
Filters the redirect URL for 404s on the main site.
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global_terms
Maintains a canonical list of terms by syncing terms created for each blog with the global terms table.
make_ham_user
Fires after the user is marked as a HAM user. Opposite of SPAM.
make_spam_user
Fires after the user is marked as a SPAM user.