signup_nonce_check() Processes the signup nonce created in signup_nonce_fields().
maybe_redirect_404() Corrects 404 redirects when NOBLOGREDIRECT is defined.
maybe_add_existing_user_to_blog() Adds a new user to a blog by visiting /newbloguser/{key}/.
add_existing_user_to_blog() Adds a user to a blog based on details from maybe_add_existing_user_to_blog().
add_new_user_to_blog() Adds a newly created user to the appropriate blog
fix_phpmailer_messageid() Corrects From host on outgoing mail to match the site domain.
is_user_spammy() Determines whether a user is marked as a spammer, based on user login.
update_blog_public() Updates this blog's 'public' setting in the global blogs table.
users_can_register_signup_filter() Determines whether users can self-register, based on Network settings.
welcome_user_msg_filter() Ensures that the welcome message is not empty. Currently unused.
force_ssl_content() Determines whether to force SSL on content.
filter_SSL() Formats a URL to use https.
wp_schedule_update_network_counts() Schedules update of the network-wide counts for the current network.
wp_update_network_counts() Updates the network-wide counts for the current network.
wp_maybe_update_network_site_counts() Updates the count of sites for the current network.
wp_maybe_update_network_user_counts() Updates the network-wide users count.
wp_update_network_site_counts() Updates the network-wide site count.
wp_update_network_user_counts() Updates the network-wide user count.
get_space_used() Returns the space used by the current site.
get_space_allowed() Returns the upload quota for the current blog.
get_upload_space_available() Determines if there is any upload space left in the current blog's quota.
is_upload_space_available() Determines if there is any upload space left in the current blog's quota.
upload_size_limit_filter() Filters the maximum upload file size allowed, in bytes.
wp_is_large_network() Determines whether or not we have a large network.
get_subdirectory_reserved_names() Retrieves a list of reserved site on a sub-directory Multisite installation.
update_network_option_new_admin_email() Sends a confirmation request email when a change of network admin email address is attempted.
wp_network_admin_email_change_notification() Sends an email to the old network admin email address when the network admin email address changes.
wp_kses() Filters text content and strips out disallowed HTML.
wp_kses_one_attr() Filters one HTML attribute and ensures its value is allowed.
wp_kses_allowed_html() Returns an array of allowed HTML tags and attributes for a given context.
wp_kses_hook() You add any KSES hooks here.
wp_kses_version() Returns the version number of KSES.
wp_kses_split() Searches for HTML tags, no matter how malformed.
wp_kses_uri_attributes() Returns an array of HTML attribute names whose value contains a URL.
_wp_kses_split_callback() Callback for `wp_kses_split()`.
wp_kses_split2() Callback for `wp_kses_split()` for fixing malformed HTML tags.
wp_kses_attr() Removes all attributes, if none are allowed for this element.
wp_kses_attr_check() Determines whether an attribute is allowed.
wp_kses_hair() Builds an attribute list from string containing attributes.
wp_kses_attr_parse() Finds all attributes of an HTML element.
wp_kses_hair_parse() Builds an attribute list from string containing attributes.
wp_kses_check_attr_val() Performs different checks for attribute values.
wp_kses_bad_protocol() Sanitizes a string and removed disallowed URL protocols.
wp_kses_no_null() Removes any invalid control characters in a text string.
wp_kses_stripslashes() Strips slashes from in front of quotes.
wp_kses_array_lc() Converts the keys of an array to lowercase.
wp_kses_html_error() Handles parsing errors in `wp_kses_hair()`.
wp_kses_bad_protocol_once() Sanitizes content from bad protocols and other characters.
wp_kses_bad_protocol_once2() Callback for `wp_kses_bad_protocol_once()` regular expression.
wp_kses_normalize_entities() Converts and fixes HTML entities.