A

__autoload() – Autoloader compatibility callback.

__clear_multi_author_cache() – Helper function to clear the cache for number of authors.

__return_empty_array() – Returns an empty array.

_access_denied_splash() – Displays an access denied message when a user tries to view a site’s dashboard they do not have access to.

_add_post_type_submenus() – Add submenus for post types.

_add_themes_utility_last() – Adds the (theme) ‘Editor’ link to the bottom of the Appearance menu.

_admin_bar_bump_cb() – Default admin bar callback.

_admin_notice_post_locked() – Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.

_admin_search_query() – Displays the search query.

_ajax_wp_die_handler() – Kills WordPress execution and displays Ajax response with an error message.

_autop_newline_preservation_helper() – Newline preservation help function for wpautop

_cleanup_image_add_caption() – Private preg_replace callback used in image_add_caption()

_delete_attachment_theme_mod() – Checks an attachment being deleted to see if it’s a header or background image.

_deprecated_argument() – Mark a function argument as deprecated and inform when it has been used.

_filter_query_attachment_filenames() – Filter the SQL clauses of an attachment query to include filenames.

_fix_attachment_links() – Replace hrefs of attachment anchors with up-to-date permalinks.

_get_additional_user_keys() – Returns a list of meta keys to be (maybe) populated in wp_update_user().

_get_admin_bar_pref() – Retrieve the admin bar display preference of a user.

_get_cron_array() – Retrieve cron info array option.

_get_post_ancestors() – Retrieve post ancestors.

_links_add_base() – Callback to add a base url to relative links in passed content.

_links_add_target() – Callback to add a target attribute to all links in passed content.

_redirect_to_about_wordpress() – Redirect to the About WordPress page after a successful upgrade.

_remove_qs_args_if_not_in_url() – Removes arguments from a query string if they are not present in a URL DO NOT use this in plugin code.

_set_cron_array() – Updates the CRON option with the new CRON array.

_thickbox_path_admin_subfolder() – Thickbox image paths for Network Admin.

_upgrade_cron_array() – Upgrade a Cron info array.

_wp_add_global_attributes() – Helper function to add global attributes to a tag in the allowed html list.

_wp_admin_bar_init() – Instantiate the admin bar object and set it up as a global for access elsewhere.

_wp_admin_html_begin() –

_wp_ajax_add_hierarchical_term() – Ajax handler for adding a hierarchical term.

_wp_ajax_delete_comment_response() – Sends back current comment total and new page links if they need to be updated.

_wp_ajax_menu_quick_search() – Prints the appropriate response to a menu quick search.

_wp_auto_add_pages_to_menu() – Automatically add newly published page objects to menus with that as an option.

_wp_call_all_hook() – Call the ‘all’ hook, which will process the functions hooked into it.

_wp_credits_add_profile_link() – Retrieve the link to a contributor’s WordPress.org profile page.

_WP_Dependency::add_data() – Add handle data.

_wp_get_allowed_postdata() – Returns only allowed post data fields

_wp_get_attachment_relative_path() – Get the attachment path relative to the upload directory.

_wp_keep_alive_customize_changeset_dependent_auto_drafts() – Make sure that auto-draft posts get their post_date bumped or status changed to draft to prevent premature garbage-collection.

_wp_privacy_account_request_confirmed_message() – Return request confirmation message HTML.

_wp_privacy_account_request_confirmed() – Update log when privacy request is confirmed.

_wp_privacy_action_request_types() – Get all user privacy request types.

_wp_register_meta_args_whitelist() – Filter out `register_meta()` args based on a whitelist.

absint() – Convert a value to non-negative integer.

Abstract_WC_Order_Data_Store_CPT::clear_caches() – Clear any caches.

Abstract_WC_Order_Data_Store_CPT::clear_caches() – Clear any caches.

Abstract_WC_Order_Data_Store_CPT::create() – Method to create a new order in the database.

Abstract_WC_Order_Data_Store_CPT::create() – Method to create a new order in the database.

Abstract_WC_Order_Data_Store_CPT::delete_items() – Remove all line items (products, coupons, shipping, taxes) from the order.

Abstract_WC_Order_Data_Store_CPT::delete_items() – Remove all line items (products, coupons, shipping, taxes) from the order.

Abstract_WC_Order_Data_Store_CPT::delete() – Method to delete an order from the database.

Abstract_WC_Order_Data_Store_CPT::delete() – Method to delete an order from the database.

Abstract_WC_Order_Data_Store_CPT::get_payment_token_ids() – Get token ids for an order.

Abstract_WC_Order_Data_Store_CPT::get_payment_token_ids() – Get token ids for an order.

Abstract_WC_Order_Data_Store_CPT::get_post_excerpt() – Excerpt for post.

Abstract_WC_Order_Data_Store_CPT::get_post_excerpt() – Excerpt for post.

Abstract_WC_Order_Data_Store_CPT::get_post_status() – Get the status to save to the post object.

Abstract_WC_Order_Data_Store_CPT::get_post_status() – Get the status to save to the post object.

Abstract_WC_Order_Data_Store_CPT::get_post_status() – Get the status to save to the post object.

Abstract_WC_Order_Data_Store_CPT::get_post_status() – Get the status to save to the post object.

Abstract_WC_Order_Data_Store_CPT::get_post_title() – Get a title for the new post type.

Abstract_WC_Order_Data_Store_CPT::get_post_title() – Get a title for the new post type.

Abstract_WC_Order_Data_Store_CPT::read_items() – Read order items of a specific type from the database for this order.

Abstract_WC_Order_Data_Store_CPT::read_items() – Read order items of a specific type from the database for this order.

Abstract_WC_Order_Data_Store_CPT::read_order_data() – Read order data. Can be overridden by child classes to load other props.

Abstract_WC_Order_Data_Store_CPT::read_order_data() – Read order data. Can be overridden by child classes to load other props.

Abstract_WC_Order_Data_Store_CPT::read() – Method to read an order from the database.

Abstract_WC_Order_Data_Store_CPT::read() – Method to read an order from the database.

Abstract_WC_Order_Data_Store_CPT::update_payment_token_ids() – Update token ids for an order.

Abstract_WC_Order_Data_Store_CPT::update_payment_token_ids() – Update token ids for an order.

Abstract_WC_Order_Data_Store_CPT::update_post_meta() – Helper method that updates all the post meta for an order based on it’s settings in the WC_Order class.

Abstract_WC_Order_Data_Store_CPT::update_post_meta() – Helper method that updates all the post meta for an order based on it’s settings in the WC_Order class.

Abstract_WC_Order_Data_Store_CPT::update() – Method to update an order in the database.

Abstract_WC_Order_Data_Store_CPT::update() – Method to update an order in the database.

Abstract_WC_Order_Item_Type_Data_Store::clear_cache() – Clear meta cache.

Abstract_WC_Order_Item_Type_Data_Store::clear_cache() – Clear meta cache.

Abstract_WC_Order_Item_Type_Data_Store::create() – Create a new order item in the database.

Abstract_WC_Order_Item_Type_Data_Store::create() – Create a new order item in the database.

Abstract_WC_Order_Item_Type_Data_Store::delete() – Remove an order item from the database.

Abstract_WC_Order_Item_Type_Data_Store::delete() – Remove an order item from the database.

Abstract_WC_Order_Item_Type_Data_Store::read() – Read a order item from the database.

Abstract_WC_Order_Item_Type_Data_Store::read() – Read a order item from the database.

Abstract_WC_Order_Item_Type_Data_Store::save_item_data() – Saves an item’s data to the database / item meta.

Abstract_WC_Order_Item_Type_Data_Store::save_item_data() – Saves an item’s data to the database / item meta.

Abstract_WC_Order_Item_Type_Data_Store::update() – Update a order item in the database.

Abstract_WC_Order_Item_Type_Data_Store::update() – Update a order item in the database.

AbstractBlock::register_block_type() – Registers the block type with WordPress.

AbstractBlock::register_block_type() – Registers the block type with WordPress.

AbstractDynamicBlock::get_attributes() – Get block attributes.

AbstractDynamicBlock::get_attributes() – Get block attributes.

AbstractDynamicBlock::get_schema_align() – Get the schema for the alignment property.

AbstractDynamicBlock::get_schema_align() – Get the schema for the alignment property.

AbstractDynamicBlock::get_schema_boolean() – Get the schema for a boolean value.

AbstractDynamicBlock::get_schema_boolean() – Get the schema for a boolean value.

AbstractDynamicBlock::get_schema_list_ids() – Get the schema for a list of IDs.

AbstractDynamicBlock::get_schema_list_ids() – Get the schema for a list of IDs.

AbstractDynamicBlock::get_schema_number() – Get the schema for a numeric value.

AbstractDynamicBlock::get_schema_number() – Get the schema for a numeric value.

AbstractDynamicBlock::get_schema_string() – Get the schema for a string value.

AbstractDynamicBlock::get_schema_string() – Get the schema for a string value.

AbstractDynamicBlock::register_block_type() – Registers the block type with WordPress.