Title: WordPress | Page 23 of 49 | Developer.WordPress.org --- # @package: WordPress * method[WP_Font_Utils::get_allowed_font_mime_types()](https://developer.wordpress.org/reference/classes/wp_font_utils/get_allowed_font_mime_types/) * Returns the expected mime-type values for font files, depending on PHP version. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_utils/get_allowed_font_mime_types/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/get_allowed_font_mime_types/#uses) | Source: [wp-includes/fonts/class-wp-font-utils.php:249](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-utils.php#L249-L258) * method[WP_Font_Utils::maybe_add_quotes()](https://developer.wordpress.org/reference/classes/wp_font_utils/maybe_add_quotes/) * Adds surrounding quotes to font family names that contain special characters. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_utils/maybe_add_quotes/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/maybe_add_quotes/#uses) | Source: [wp-includes/fonts/class-wp-font-utils.php:32](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-utils.php#L32-L41) * method[WP_Font_Utils::sanitize_font_family()](https://developer.wordpress.org/reference/classes/wp_font_utils/sanitize_font_family/) * Sanitizes and formats font family names. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/sanitize_font_family/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/sanitize_font_family/#uses) | Source: [wp-includes/fonts/class-wp-font-utils.php:60](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-utils.php#L60-L78) * method[WP_Font_Utils::get_font_face_slug()](https://developer.wordpress.org/reference/classes/wp_font_utils/get_font_face_slug/) * Generates a slug from font face properties, e.g. `open sans;normal;400;100%;U +0-10FFFF` * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/get_font_face_slug/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/get_font_face_slug/#uses) | Source: [wp-includes/fonts/class-wp-font-utils.php:104](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-utils.php#L104-L157) * method[WP_Font_Utils::sanitize_from_schema()](https://developer.wordpress.org/reference/classes/wp_font_utils/sanitize_from_schema/) * Sanitizes a tree of data using a schema. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/sanitize_from_schema/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/sanitize_from_schema/#uses) | Source: [wp-includes/fonts/class-wp-font-utils.php:175](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-utils.php#L175-L217) * class[WP_Font_Utils](https://developer.wordpress.org/reference/classes/wp_font_utils/) * A class of utilities for working with the Font Library. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_utils/#uses) | Source: [wp-includes/fonts/class-wp-font-utils.php:20](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-utils.php#L20-L259) * method[WP_Font_Collection::get_sanitization_schema()](https://developer.wordpress.org/reference/classes/wp_font_collection/get_sanitization_schema/) * Retrieves the font collection sanitization schema. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_collection/get_sanitization_schema/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/get_sanitization_schema/#uses) | Source: [wp-includes/fonts/class-wp-font-collection.php:247](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-collection.php#L247-L294) * method[WP_Font_Collection::load_from_json()](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_json/) * Loads font collection data from a JSON file or URL. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_json/#used-by) | Uses [8 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_json/#uses) | Source: [wp-includes/fonts/class-wp-font-collection.php:116](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-collection.php#L116-L147) * method[WP_Font_Collection::load_from_file()](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_file/) * Loads the font collection data from a JSON file path. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_file/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_file/#uses) | Source: [wp-includes/fonts/class-wp-font-collection.php:158](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-collection.php#L158-L165) * method[WP_Font_Collection::load_from_url()](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_url/) * Loads the font collection data from a JSON file URL. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_url/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/load_from_url/#uses) | Source: [wp-includes/fonts/class-wp-font-collection.php:176](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-collection.php#L176-L209) * method[WP_Font_Collection::sanitize_and_validate_data()](https://developer.wordpress.org/reference/classes/wp_font_collection/sanitize_and_validate_data/) * Sanitizes and validates the font collection data. * Used by [3 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/sanitize_and_validate_data/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/sanitize_and_validate_data/#uses) | Source: [wp-includes/fonts/class-wp-font-collection.php:220](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-collection.php#L220-L238) * method[WP_Font_Collection::get_data()](https://developer.wordpress.org/reference/classes/wp_font_collection/get_data/) * Retrieves the font collection data. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/get_data/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/get_data/#uses) | Source: [wp-includes/fonts/class-wp-font-collection.php:84](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-collection.php#L84-L105) * class[WP_Font_Collection](https://developer.wordpress.org/reference/classes/wp_font_collection/) * Font Collection class. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/#uses) | Source: [wp-includes/fonts/class-wp-font-collection.php:19](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-collection.php#L19-L295) * method[WP_Font_Collection::__construct()](https://developer.wordpress.org/reference/classes/wp_font_collection/__construct/) * WP_Font_Collection constructor. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_font_collection/__construct/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_font_collection/__construct/#uses) | Source: [wp-includes/fonts/class-wp-font-collection.php:53](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/fonts/class-wp-font-collection.php#L53-L75) * method[WP_Interactivity_API_Directives_Processor::has_and_visits_its_closer_tag()](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/has_and_visits_its_closer_tag/) * Checks whether the current tag has and will visit its matching closer tag. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/has_and_visits_its_closer_tag/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/has_and_visits_its_closer_tag/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:274](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L274-L281) * method[WP_Interactivity_API_Directives_Processor::get_after_opener_tag_and_before_closer_tag_positions()](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_after_opener_tag_and_before_closer_tag_positions/) * Gets the positions right after the opener tag and right before the closer tag in a balanced tag. * Used by [2 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_after_opener_tag_and_before_closer_tag_positions/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_after_opener_tag_and_before_closer_tag_positions/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:135](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L135-L156) * method[WP_Interactivity_API_Directives_Processor::get_balanced_tag_bookmarks()](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_balanced_tag_bookmarks/) * Returns a pair of bookmarks for the current opener tag and the matching closer tag. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_balanced_tag_bookmarks/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_balanced_tag_bookmarks/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:169](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L169-L183) * method[WP_Interactivity_API_Directives_Processor::skip_to_tag_closer()](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/skip_to_tag_closer/) * Skips processing the content between tags. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/skip_to_tag_closer/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/skip_to_tag_closer/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:200](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L200-L219) * method[WP_Interactivity_API_Directives_Processor::next_balanced_tag_closer_tag()](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/next_balanced_tag_closer_tag/) * Finds the matching closing tag for an opening tag. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/next_balanced_tag_closer_tag/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/next_balanced_tag_closer_tag/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:236](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L236-L263) * method[WP_Interactivity_API_Directives_Processor::get_content_between_balanced_template_tags()](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_content_between_balanced_template_tags/) * Returns the content between two balanced template tags. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_content_between_balanced_template_tags/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/get_content_between_balanced_template_tags/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:49](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L49-L61) * class[WP_Interactivity_API_Directives_Processor](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/) * Class used to iterate over the tags of an HTML string and help process the directive attributes. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:18](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L18-L282) * method[WP_Interactivity_API_Directives_Processor::set_content_between_balanced_tags()](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/set_content_between_balanced_tags/) * Sets the content between two balanced tags. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/set_content_between_balanced_tags/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/set_content_between_balanced_tags/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:73](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L73-L87) * method[WP_Interactivity_API_Directives_Processor::append_content_after_template_tag_closer()](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/append_content_after_template_tag_closer/) * Appends content after the closing tag of a template tag. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/append_content_after_template_tag_closer/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api_directives_processor/append_content_after_template_tag_closer/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php:102](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api-directives-processor.php#L102-L119) * method[WP_Interactivity_API::data_wp_text_processor()](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_text_processor/) * Processes the `data-wp-text` directive. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_text_processor/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_text_processor/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api.php:1214](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api.php#L1214-L1241) * method[WP_Interactivity_API::get_router_animation_styles()](https://developer.wordpress.org/reference/classes/wp_interactivity_api/get_router_animation_styles/) * Returns the CSS styles for animating the top loading bar in the router. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_interactivity_api/get_router_animation_styles/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/get_router_animation_styles/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api.php:1250](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api.php#L1250-L1280) * method[WP_Interactivity_API::print_router_loading_and_screen_reader_markup()](https://developer.wordpress.org/reference/classes/wp_interactivity_api/print_router_loading_and_screen_reader_markup/) * Deprecated. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/print_router_loading_and_screen_reader_markup/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/print_router_loading_and_screen_reader_markup/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api.php:1288](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api.php#L1288-L1293) * method[WP_Interactivity_API::data_wp_router_region_processor()](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_router_region_processor/) * Processes the `data-wp-router-region` directive. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_router_region_processor/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_router_region_processor/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api.php:1327](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api.php#L1327-L1347) * method[WP_Interactivity_API::data_wp_each_processor()](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_each_processor/) * Processes the `data-wp-each` directive. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_each_processor/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_each_processor/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api.php:1363](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api.php#L1363-L1454) * method[WP_Interactivity_API::data_wp_bind_processor()](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_bind_processor/) * Processes the `data-wp-bind` directive. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_bind_processor/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_bind_processor/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api.php:1024](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api.php#L1024-L1074) * method[WP_Interactivity_API::data_wp_class_processor()](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_class_processor/) * Processes the `data-wp-class` directive. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_class_processor/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/classes/wp_interactivity_api/data_wp_class_processor/#uses) | Source: [wp-includes/interactivity-api/class-wp-interactivity-api.php:1087](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/interactivity-api/class-wp-interactivity-api.php#L1087-L1112) [Previous Page](https://developer.wordpress.org/reference/package/wordpress/page/22/?output_format=md) [1](https://developer.wordpress.org/reference/package/wordpress/?output_format=md)… [21](https://developer.wordpress.org/reference/package/wordpress/page/21/?output_format=md) [22](https://developer.wordpress.org/reference/package/wordpress/page/22/?output_format=md) 23 [24](https://developer.wordpress.org/reference/package/wordpress/page/24/?output_format=md) [25](https://developer.wordpress.org/reference/package/wordpress/page/25/?output_format=md)… [49](https://developer.wordpress.org/reference/package/wordpress/page/49/?output_format=md) [Next 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