fix_phpmailer_messageid()
Function: Corrects From host on outgoing mail to match the site domain.
Source: wp-includes/ms-functions.php:2274
is_user_spammy()
Function: Determines whether a user is marked as a spammer, based on user login.
Source: wp-includes/ms-functions.php:2287
update_blog_public()
Function: Updates this blog’s ‘public’ setting in the global blogs table.
Source: wp-includes/ms-functions.php:2309
users_can_register_signup_filter()
Function: Determines whether users can self-register, based on Network settings.
Source: wp-includes/ms-functions.php:2320
welcome_user_msg_filter()
Function: Ensures that the welcome message is not empty. Currently unused.
Source: wp-includes/ms-functions.php:2333
force_ssl_content()
Function: Determines whether to force SSL on content.
Source: wp-includes/ms-functions.php:2365
filter_SSL()
Function: Formats a URL to use https.
Source: wp-includes/ms-functions.php:2387
maybe_add_existing_user_to_blog()
Function: Adds a new user to a blog by visiting /newbloguser/{key}/.
Source: wp-includes/ms-functions.php:2166
check_upload_mimes()
Function: Checks an array of MIME types against a list of allowed types.
Source: wp-includes/ms-functions.php:1989
update_posts_count()
Function: Updates a blog’s post count.
Source: wp-includes/ms-functions.php:2016