Filters the contents of the email notification sent when the network admin email address is changed.
send_network_admin_email_change_email
Filters whether to send the network admin email change notification email.
new_network_admin_email_content
Filters the text of the email sent when a change of network admin email address is attempted.
wp_network_admin_email_change_notification
Send an email to the old network admin email address when the network admin email address changes.
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update_network_option_new_admin_email
Send a confirmation request email when a change of network admin email address is attempted.
subdirectory_reserved_names
Filters reserved site names on a sub-directory Multisite installation.
get_subdirectory_reserved_names
Retrieves a list of reserved site on a sub-directory Multisite installation.
wp_is_large_network
This filter is documented in wp-includes/ms-functions.php
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wp_is_large_network
Whether or not we have a large network.
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.
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get_space_allowed
Returns the upload quota for the current blog.
get_space_allowed
Filters the upload quota for the current site.
pre_get_space_used
Filters the amount of storage space used by the current site, in megabytes.