add_editor_style() Adds callback for custom TinyMCE editor stylesheets.
remove_editor_styles() Removes all visual editor stylesheets.
get_editor_stylesheets() Retrieves any registered editor stylesheet URLs.
get_theme_starter_content() Expands a theme's starter content configuration using core-provided data.
add_theme_support() Registers theme support for a given feature.
_custom_header_background_just_in_time() Registers the internal custom header and background routines.
_custom_logo_header_styles() Adds CSS to hide header text for custom logo, based on Customizer setting.
get_theme_support() Gets the theme support arguments passed when registering that support.
remove_theme_support() Allows a theme to de-register its support of a certain feature
_remove_theme_support() Do not use. Removes theme support internally without knowledge of those not used
current_theme_supports() Checks a theme's support for a given feature.
require_if_theme_supports() Checks a theme's support for a given feature before loading the functions which implement it.
register_theme_feature() Registers a theme feature for use in add_theme_support().
get_registered_theme_features() Gets the list of registered theme features.
get_registered_theme_feature() Gets the registration config for a theme feature.
_delete_attachment_theme_mod() Checks an attachment being deleted to see if it's a header or background image.
check_theme_switched() Checks if a theme has been changed and runs 'after_switch_theme' hook on the next WP load.
_wp_customize_include() Includes and instantiates the WP_Customize_Manager class.
_wp_customize_publish_changeset() Publishes a snapshot's changes.
_wp_customize_changeset_filter_insert_post_data() Filters changeset post data upon insert to ensure post_name is intact.
_wp_customize_loader_settings() Adds settings for the customize-loader script.
wp_customize_url() Returns a URL to load the Customizer.
wp_customize_support_script() Prints a script to check whether or not the Customizer is supported,
is_customize_preview() Whether the site is being previewed in the Customizer.
_wp_keep_alive_customize_changeset_dependent_auto_drafts() Makes sure that auto-draft posts get their post_date bumped or status changed
create_initial_theme_features() Creates the initial theme features when the 'setup_theme' action is fired.
wp_is_block_theme() Returns whether the active theme is a block-based theme or not.
wp_theme_get_element_class_name() Given an element name, returns a class name.
_add_default_theme_supports() Adds default theme supports for block themes when the 'after_setup_theme' action fires.
wp_signon() Authenticates and logs a user in with 'remember' capability.
wp_authenticate_username_password() Authenticates a user, confirming the username and password are valid.
wp_authenticate_email_password() Authenticates a user using the email and password.
wp_authenticate_cookie() Authenticates the user using the WordPress auth cookie.
wp_authenticate_application_password() Authenticates the user using an application password.
wp_validate_application_password() Validates the application password credentials passed via Basic Authentication.
wp_authenticate_spam_check() For Multisite blogs, checks if the authenticated user has been marked as a
wp_validate_logged_in_cookie() Validates the logged-in cookie.
count_user_posts() Gets the number of posts a user has written.
count_many_users_posts() Gets the number of posts written by a list of users.
get_current_user_id() Gets the current user's ID.
get_user_option() Retrieves user option that can be either per Site or per Network.
update_user_option() Updates user option with global blog capability.
delete_user_option() Deletes user option with global blog capability.
get_user() Retrieves user info by user ID.
get_users() Retrieves list of users matching criteria.
wp_list_users() Lists all the users of the site, with several options available.
get_blogs_of_user() Gets the sites a user belongs to.
is_user_member_of_blog() Finds out whether a user is a member of a given blog.
add_user_meta() Adds meta data to a user.
delete_user_meta() Removes metadata matching criteria from a user.