| add_allowed_options | Adds an array of options to the list of allowed options. | wp-admin/includes/plugin.php |
| create_initial_theme_features | Creates the initial theme features when the 'setup_theme' action is fired. | wp-includes/theme.php |
| esc_xml | Escaping for XML blocks. | wp-includes/formatting.php |
| filter_default_metadata | Filters into default_{$object_type}_metadata and adds in default value. | wp-includes/meta.php |
| generate_block_asset_handle | Generates the name for an asset based on the name of the block
and the field name provided. | wp-includes/blocks.php |
| get_metadata_default | Retrieves default metadata value for the specified meta key and object. | wp-includes/meta.php |
| get_metadata_raw | Retrieves raw metadata value for the specified object. | wp-includes/meta.php |
| get_registered_theme_feature | Gets the registration config for a theme feature. | wp-includes/theme.php |
| get_registered_theme_features | Gets the list of registered theme features. | wp-includes/theme.php |
| register_block_pattern | Registers a new pattern. | wp-includes/class-wp-block-patterns-registry.php |
| register_block_pattern_category | Registers a new pattern category. | wp-includes/class-wp-block-pattern-categories-registry.php |
| register_block_script_handle | Finds a script handle for the selected block metadata field. It detects
when a path to file was provided and finds a corresponding asset file
with details necessary to register the script under automatically
generated handle name. It returns unprocessed script handle otherwise. | wp-includes/blocks.php |
| register_block_style_handle | Finds a style handle for the block metadata field. It detects when a path
to file was provided and registers the style under automatically
generated handle name. It returns unprocessed style handle otherwise. | wp-includes/blocks.php |
| register_block_type_from_metadata | Registers a block type from metadata stored in the `block.json` file. | wp-includes/blocks.php |
| register_core_block_types_from_metadata | Registers core block types using metadata files. | wp-includes/blocks/index.php |
| register_theme_feature | Registers a theme feature for use in add_theme_support(). | wp-includes/theme.php |
| remove_allowed_options | Removes a list of options from the allowed options list. | wp-admin/includes/plugin.php |
| remove_block_asset_path_prefix | Removes the block asset's path prefix if provided. | wp-includes/blocks.php |
| rest_default_additional_properties_to_false | Sets the "additionalProperties" to false by default for all object definitions in the schema. | wp-includes/rest-api.php |
| rest_filter_response_by_context | Filters the response to remove any fields not available in the given context. | wp-includes/rest-api.php |
| rest_get_best_type_for_value | Gets the best type for a value. | wp-includes/rest-api.php |
| rest_get_queried_resource_route | Gets the REST route for the currently queried object. | wp-includes/rest-api.php |
| rest_get_route_for_post | Gets the REST API route for a post. | wp-includes/rest-api.php |
| rest_get_route_for_term | Gets the REST API route for a term. | wp-includes/rest-api.php |
| rest_handle_doing_it_wrong | Handles _doing_it_wrong errors. | wp-includes/rest-api.php |
| rest_handle_multi_type_schema | Handles getting the best type for a multi-type schema. | wp-includes/rest-api.php |
| rest_is_array | Determines if a given value is array-like. | wp-includes/rest-api.php |
| rest_is_integer | Determines if a given value is integer-like. | wp-includes/rest-api.php |
| rest_is_object | Determines if a given value is object-like. | wp-includes/rest-api.php |
| rest_sanitize_array | Converts an array-like value to an array. | wp-includes/rest-api.php |
| rest_sanitize_object | Converts an object-like value to an object. | wp-includes/rest-api.php |
| rest_stabilize_value | Stabilizes a value following JSON Schema semantics. | wp-includes/rest-api.php |
| rest_validate_array_contains_unique_items | Checks if an array is made up of unique items. | wp-includes/rest-api.php |
| unregister_block_pattern | Unregisters a pattern. | wp-includes/class-wp-block-patterns-registry.php |
| unregister_block_pattern_category | Unregisters a pattern category. | wp-includes/class-wp-block-pattern-categories-registry.php |
| validate_theme_requirements | Validates the theme requirements for WordPress version and PHP version. | wp-includes/theme.php |
| wp_admin_viewport_meta | Displays the viewport meta in the admin. | wp-admin/includes/misc.php |
| wp_ajax_toggle_auto_updates | Ajax handler to enable or disable plugin and theme auto-updates. | wp-admin/includes/ajax-actions.php |
| wp_cache_get_multiple | Retrieves multiple values from the cache in one call. | wp-includes/cache.php |
| wp_enqueue_editor_block_directory_assets | Enqueues the assets required for the block directory within the block editor. | wp-includes/script-loader.php |
| wp_filter_content_tags | Filters specific tags in post content and modifies their markup. | wp-includes/media.php |
| wp_get_auto_update_message | Determines the appropriate auto-update message to be displayed. | wp-admin/includes/update.php |
| wp_get_environment_type | Retrieves the current environment type. | wp-includes/load.php |
| wp_get_sitemap_providers | Gets an array of sitemap providers. | wp-includes/sitemaps.php |
| wp_image_file_matches_image_meta | Determines if the image meta data is for the image source file. | wp-includes/media.php |
| wp_image_src_get_dimensions | Determines an image's width and height dimensions based on the source file. | wp-includes/media.php |
| wp_img_tag_add_loading_attr | Adds `loading` attribute to an `img` HTML tag. | wp-includes/media.php |
| wp_img_tag_add_srcset_and_sizes_attr | Adds `srcset` and `sizes` attributes to an existing `img` HTML tag. | wp-includes/media.php |
| wp_img_tag_add_width_and_height_attr | Adds `width` and `height` attributes to an `img` HTML tag. | wp-includes/media.php |
| wp_is_auto_update_enabled_for_type | Checks whether auto-updates are enabled. | wp-admin/includes/update.php |
| wp_is_maintenance_mode | Check if maintenance mode is enabled. | wp-includes/load.php |
| wp_kses_xml_named_entities | Callback for `wp_kses_normalize_entities()` regular expression. | wp-includes/kses.php |
| wp_lazy_loading_enabled | Determines whether to add the `loading` attribute to the specified tag in the specified context. | wp-includes/media.php |
| wp_opcache_invalidate | Attempts to clear the opcode cache for an individual PHP file. | wp-admin/includes/file.php |
| wp_register_sitemap_provider | Registers a new sitemap provider. | wp-includes/sitemaps.php |
| wp_show_heic_upload_error | Callback to enable showing of the user error when uploading .heic images. | wp-includes/media.php |
| wp_sitemaps_get_max_urls | Gets the maximum number of URLs for a sitemap. | wp-includes/sitemaps.php |
| wp_sitemaps_get_server | Retrieves the current Sitemaps server instance. | wp-includes/sitemaps.php |
| wp_theme_auto_update_setting_template | Returns the JavaScript template used to display the auto-update setting for a theme. | wp-admin/themes.php |
| _customizer_mobile_viewport_meta | Adds viewport meta for mobile in Customizer. | wp-admin/includes/misc.php |
| _register_core_block_patterns_and_categories | Registers the core block patterns and categories. | wp-includes/block-patterns.php |
| _wp_register_meta_args_allowed_list | Filters out `register_meta()` args based on an allowed list. | wp-includes/meta.php |