Title: 6.4.0 | Page 2 of 7 | Developer.WordPress.org --- # New and updated in 6.4.0 Functions Hooks Classes Methods * function[wp_set_option_autoload_values()](https://developer.wordpress.org/reference/functions/wp_set_option_autoload_values/) * Sets the autoload values for multiple options in the database. * Used by [3 functions](https://developer.wordpress.org/reference/functions/wp_set_option_autoload_values/#used-by) | Uses [8 functions](https://developer.wordpress.org/reference/functions/wp_set_option_autoload_values/#uses) | Source: [wp-includes/option.php:397](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/option.php#L397-L505) * method[WP_Font_Face_Resolver::to_theme_file_uri()](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/to_theme_file_uri/) * Converts each ‘file:./’ placeholder into a URI to the font file in the theme. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/to_theme_file_uri/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/to_theme_file_uri/#uses) | Source: [wp-includes/fonts/class-wp-font-face-resolver.php:170](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face-resolver.php#L170-L184) * method[WP_Font_Face_Resolver::to_kebab_case()](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/to_kebab_case/) * Converts all first dimension keys into kebab-case. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/to_kebab_case/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/to_kebab_case/#uses) | Source: [wp-includes/fonts/class-wp-font-face-resolver.php:194](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face-resolver.php#L194-L204) * method[WP_Font_Face::order_src()](https://developer.wordpress.org/reference/classes/wp_font_face/order_src/) * Orders `src` items to optimize for browser support. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/order_src/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/order_src/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:234](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L234-L297) * method[WP_Font_Face::build_font_face_css()](https://developer.wordpress.org/reference/classes/wp_font_face/build_font_face_css/) * Builds the font-family’s CSS. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/build_font_face_css/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_font_face/build_font_face_css/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:307](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L307-L339) * method[WP_Font_Face::compile_src()](https://developer.wordpress.org/reference/classes/wp_font_face/compile_src/) * Compiles the `src` into valid CSS. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/compile_src/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/compile_src/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:349](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L349-L360) * method[WP_Font_Face::compile_variations()](https://developer.wordpress.org/reference/classes/wp_font_face/compile_variations/) * Compiles the font variation settings. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/compile_variations/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/compile_variations/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:370](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L370-L378) * method[WP_Font_Face_Resolver::get_fonts_from_theme_json()](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/get_fonts_from_theme_json/) * Gets fonts defined in theme.json. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/get_fonts_from_theme_json/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/get_fonts_from_theme_json/#uses) | Source: [wp-includes/fonts/class-wp-font-face-resolver.php:28](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face-resolver.php#L28-L37) * method[WP_Font_Face_Resolver::parse_settings()](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/parse_settings/) * Parse theme.json settings to extract font definitions with variations grouped by font-family. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/parse_settings/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/parse_settings/#uses) | Source: [wp-includes/fonts/class-wp-font-face-resolver.php:79](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face-resolver.php#L79-L107) * method[WP_Font_Face_Resolver::maybe_parse_name_from_comma_separated_list()](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/maybe_parse_name_from_comma_separated_list/) * Parse font-family name from comma-separated lists. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/maybe_parse_name_from_comma_separated_list/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/maybe_parse_name_from_comma_separated_list/#uses) | Source: [wp-includes/fonts/class-wp-font-face-resolver.php:120](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face-resolver.php#L120-L126) * method[WP_Font_Face_Resolver::convert_font_face_properties()](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/convert_font_face_properties/) * Converts font-face properties from theme.json format. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/convert_font_face_properties/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face_resolver/convert_font_face_properties/#uses) | Source: [wp-includes/fonts/class-wp-font-face-resolver.php:137](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face-resolver.php#L137-L156) * method[WP_Font_Face::generate_style_element_attributes()](https://developer.wordpress.org/reference/classes/wp_font_face/generate_style_element_attributes/) * Gets the defined element’s attributes. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/generate_style_element_attributes/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/generate_style_element_attributes/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:242](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L242-L248) * method[WP_Font_Face::get_css()](https://developer.wordpress.org/reference/classes/wp_font_face/get_css/) * Gets the `@font-face` CSS styles for locally-hosted font files. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/get_css/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_font_face/get_css/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:211](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L211-L224) * class[WP_Font_Face](https://developer.wordpress.org/reference/classes/wp_font_face/) * Font Face generates and prints `@font-face` styles for given fonts. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:15](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L15-L379) * method[WP_Font_Face::__construct()](https://developer.wordpress.org/reference/classes/wp_font_face/__construct/) * Creates and initializes an instance of WP_Font_Face. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/__construct/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/__construct/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:80](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L80-L88) * method[WP_Font_Face::generate_and_print()](https://developer.wordpress.org/reference/classes/wp_font_face/generate_and_print/) * Generates and prints the `@font-face` styles for the given fonts. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/generate_and_print/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_font_face/generate_and_print/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:73](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L73-L99) * method[WP_Font_Face::validate_fonts()](https://developer.wordpress.org/reference/classes/wp_font_face/validate_fonts/) * Validates each of the font-face properties. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/validate_fonts/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/validate_fonts/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:109](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L109-L125) * method[WP_Font_Face::validate_font_face_declarations()](https://developer.wordpress.org/reference/classes/wp_font_face/validate_font_face_declarations/) * Validates each font-face declaration (property and value pairing). * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_face/validate_font_face_declarations/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_font_face/validate_font_face_declarations/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:135](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L135-L197) * method[WP_Font_Face::get_style_element()](https://developer.wordpress.org/reference/classes/wp_font_face/get_style_element/) * Gets the style element for wrapping the `@font-face` CSS. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/get_style_element/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_face/get_style_element/#uses) | Source: [wp-includes/fonts/class-wp-font-face.php:229](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/fonts/class-wp-font-face.php#L229-L233) * function[wp_remove_surrounding_empty_script_tags()](https://developer.wordpress.org/reference/functions/wp_remove_surrounding_empty_script_tags/) * Removes leading and trailing _empty_ script tags. * Used by [10 functions](https://developer.wordpress.org/reference/functions/wp_remove_surrounding_empty_script_tags/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/wp_remove_surrounding_empty_script_tags/#uses) | Source: [wp-includes/script-loader.php:3652](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/script-loader.php#L3652-L3677) * function[_remove_theme_attribute_from_template_part_block()](https://developer.wordpress.org/reference/functions/_remove_theme_attribute_from_template_part_block/) * Removes the `theme` attribute from a given template part block. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_remove_theme_attribute_from_template_part_block/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/_remove_theme_attribute_from_template_part_block/#uses) | Source: [wp-includes/block-template-utils.php:584](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/block-template-utils.php#L584-L591) * function[_inject_theme_attribute_in_template_part_block()](https://developer.wordpress.org/reference/functions/_inject_theme_attribute_in_template_part_block/) * Injects the active theme’s stylesheet as a `theme` attribute into a given template part block. * Used by [1 function](https://developer.wordpress.org/reference/functions/_inject_theme_attribute_in_template_part_block/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/_inject_theme_attribute_in_template_part_block/#uses) | Source: [wp-includes/block-template-utils.php:567](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/block-template-utils.php#L567-L574) * method[WP_Style_Engine::get_url_or_value_css_declaration()](https://developer.wordpress.org/reference/classes/wp_style_engine/get_url_or_value_css_declaration/) * Style value parser that constructs a CSS definition array comprising a single CSS property and value. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_style_engine/get_url_or_value_css_declaration/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_style_engine/get_url_or_value_css_declaration/#uses) | Source: [wp-includes/style-engine/class-wp-style-engine.php:734](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/style-engine/class-wp-style-engine.php#L734-L756) * function[wp_enqueue_block_template_skip_link()](https://developer.wordpress.org/reference/functions/wp_enqueue_block_template_skip_link/) * Enqueues the skip-link styles. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_enqueue_block_template_skip_link/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/wp_enqueue_block_template_skip_link/#uses) | Source: [wp-includes/theme-templates.php:110](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/theme-templates.php#L110-L130) * hook[pre_wp_get_https_detection_errors](https://developer.wordpress.org/reference/hooks/pre_wp_get_https_detection_errors/) * Short-circuits the process of detecting errors related to HTTPS support. * Used by [1 function](https://developer.wordpress.org/reference/hooks/pre_wp_get_https_detection_errors/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_wp_get_https_detection_errors/#uses) | Source: [wp-includes/https-detection.php:106](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/https-detection.php#L106-L106) * function[wp_get_https_detection_errors()](https://developer.wordpress.org/reference/functions/wp_get_https_detection_errors/) * Runs a remote HTTPS request to detect whether HTTPS supported, and stores potential errors. * Used by [3 functions](https://developer.wordpress.org/reference/functions/wp_get_https_detection_errors/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/wp_get_https_detection_errors/#uses) | Source: [wp-includes/https-detection.php:94](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/https-detection.php#L94-L158) * method[WP_Post_Type::get_autosave_rest_controller()](https://developer.wordpress.org/reference/classes/wp_post_type/get_autosave_rest_controller/) * Gets the REST API autosave controller for this post type. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_post_type/get_autosave_rest_controller/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_post_type/get_autosave_rest_controller/#uses) | Source: [wp-includes/class-wp-post-type.php:944](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/class-wp-post-type.php#L944-L972) * method[WP_Post_Type::get_revisions_rest_controller()](https://developer.wordpress.org/reference/classes/wp_post_type/get_revisions_rest_controller/) * Gets the REST API revisions controller for this post type. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_post_type/get_revisions_rest_controller/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_post_type/get_revisions_rest_controller/#uses) | Source: [wp-includes/class-wp-post-type.php:905](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/class-wp-post-type.php#L905-L932) * method[WP_REST_Template_Autosaves_Controller::get_item_schema()](https://developer.wordpress.org/reference/classes/wp_rest_template_autosaves_controller/get_item_schema/) * Retrieves the autosave’s schema, conforming to JSON Schema. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_rest_template_autosaves_controller/get_item_schema/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_rest_template_autosaves_controller/get_item_schema/#uses) | Source: [wp-includes/rest-api/endpoints/class-wp-rest-template-autosaves-controller.php:272](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/rest-api/endpoints/class-wp-rest-template-autosaves-controller.php#L272-L280) * method[WP_REST_Template_Autosaves_Controller::prepare_links()](https://developer.wordpress.org/reference/classes/wp_rest_template_autosaves_controller/prepare_links/) * Prepares links for the request. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_rest_template_autosaves_controller/prepare_links/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_rest_template_autosaves_controller/prepare_links/#uses) | Source: [wp-includes/rest-api/endpoints/class-wp-rest-template-autosaves-controller.php:252](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/rest-api/endpoints/class-wp-rest-template-autosaves-controller.php#L252-L263) [Previous 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