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.
get_space_allowed
Returns the upload quota for the current blog.
get_space_used
Returns the space used by the current site.
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wp_update_network_user_counts
Update the network-wide user count.
wp_update_network_site_counts
Update the network-wide site count.
wp_maybe_update_network_user_counts
Update the network-wide users count.
wp_maybe_update_network_site_counts
Update the count of sites for the current network.
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wp_update_network_counts
Update the network-wide counts for the current network.
wp_schedule_update_network_counts
Schedule update of the network-wide counts for the current network.
filter_SSL
Formats a URL to use https.
force_ssl_content
Whether to force SSL on content.
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welcome_user_msg_filter
Ensure that the welcome message is not empty. Currently unused.
users_can_register_signup_filter
Check whether users can self-register, based on Network settings.
update_blog_public
Update this blog’s ‘public’ setting in the global blogs table.