Multisite

Fires after a network site has its deletion flag removed.

Fires immediately after a user is added to a site.

Fires immediately after an existing user is added to a site.

Fires after the Multisite DB upgrade for each site is complete.

Fires after site signup information has been written to the database.

Fires after a user's signup information has been written to the database.

Fires when the 'archived' status is added to a site.

Filters a blog option value.

Filters the redirect URL for 404s on the main site.

Filters whether a user should be added to a site.

Fires immediately after a site has been removed from the object cache.

Fires before a network site is flagged for deletion.

Filters whether a site name is taken.

Filters whether to update network site or user counts when a new site is created.

Fires after a site is retrieved.

Filters the upload quota for the current site.

Fires when a custom bulk action should be handled.

Filters whether an email address is unsafe.

Fires when the 'flagged for deletion' status is added to a site.

Fires when the 'spam' status is removed from a site.

Fires when the 'spam' status is added to a site.

Fires when the 'flagged for deletion' status is removed from a site.

Fires when the 'mature' status is added to a site.

Filters the minimum site name length required when validating a site signup.

Filters available network-wide administration menu options.

Fires the requested handler action.

Filters the contents of the email notification sent when the network admin email address is changed.

Fires at the end of the site info form in network admin.

Fires after a new user has been created via the network site-new.php page.

Fires at the end of the new site form in network admin.

Fires after the list table on the Users screen in the Multisite Network Admin.

Fires after a user has been created via the network site-users.php page.

Filters a specific, non-default, site-updated message in the Network admin.

Fires after a new user has been created via the network user-new.php page.

Fires at the end of the new user form in network admin.

Filters the text of the email sent when a change of network admin email address is attempted.

Filters the content of the email sent to the Multisite network administrator when a new site is created.

Filters the message body of the new site activation email sent to the network administrator.

Filters the new site name during registration.

Filters the message body of the new user activation email sent to the network administrator.

Filters the amount of storage space used by the current site, in megabytes.

Fires immediately before a new user is created via the network site-new.php page.

Filters the check for whether a site is initialized before the database is accessed.

Filters whether to redirect the request to the Network Admin.

Fires before a user is removed from a site.

Filters whether to send the network admin email change notification email.

Filters whether to send an email to the Multisite network administrator when a new site is created.

Filters whether to show the Add Existing User form on the Multisite Users screen.

Filters whether to show the Add New User form on the Multisite Users screen.

Filters the metadata for a site signup.

Filters the metadata for a user signup.

Filters reserved site names on a sub-directory Multisite installation.

Fires when the blog is switched.

Fires when the 'archived' status is removed from a site.

Fires when the 'mature' status is removed from a site.

Fires after the current blog's 'public' setting is updated.

Filters the content of the welcome email sent to the site administrator after site activation.

Filters the subject of the welcome email sent to the site administrator after site activation.

Filters the content of the welcome email after user activation.

Filters the subject of the welcome email after user activation.

Fires after the network options are updated.

Fires once a site has been deleted from the database.

Fires when a site's initialization routine should be executed.

Filters the arguments for initializing a site.

Fires once a site has been inserted into the database.

Filters whether the network is considered large.

Filters passed site data in order to normalize it.

Fires when a site's uninitialization routine should be executed.

Fires once a site has been updated in the database.

Fires when data should be validated for a site prior to inserting or updating in the database.

Fires before a site should be deleted from the database.

Fires immediately after a site is activated.

Fires immediately after a new user is activated.

Fires after the blog details are updated.

Filters the upload base directory to delete when the site is deleted.

Filters the tables to drop when the site is deleted.

Fires immediately after a new user is created.

Fires at the end of the Network Settings form, before the submit button.

Filters whether to bypass the new site email notification.

Filters the message content of the new blog notification email.

Filters the subject of the new blog notification email.

Filters whether to bypass the email notification for new user sign-up.

Filters the content of the notification email for new user sign-up.

Filters the subject of the notification email of new user signup.

Fires after the site options are updated.

Fires before the footer on the network upgrade screen.

Fires after each site has been upgraded.

Filters site details and error messages following registration.

Filters the validated user registration details.

Filters whether to bypass the welcome email sent to the site administrator after site activation.

Filters whether to bypass the welcome email after user activation.

Fires just before the action handler in several Network Admin screens.

Fires at the end of the Edit Site form, before the submit button.