Title: wp-includes/deprecated.php | Page 2 of 9 | Developer.WordPress.org --- # File: wp-includes/deprecated.php * function[_wp_theme_json_webfonts_handler()](https://developer.wordpress.org/reference/functions/_wp_theme_json_webfonts_handler/) * Runs the theme.json webfonts handler. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_wp_theme_json_webfonts_handler/#used-by) | Uses [16 functions](https://developer.wordpress.org/reference/functions/_wp_theme_json_webfonts_handler/#uses) | Source: [wp-includes/deprecated.php:5416](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L5416-L5888) * function[wp_global_styles_render_svg_filters()](https://developer.wordpress.org/reference/functions/wp_global_styles_render_svg_filters/) * Renders the SVG filters supplied by theme.json. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_global_styles_render_svg_filters/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/wp_global_styles_render_svg_filters/#uses) | Source: [wp-includes/deprecated.php:5291](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L5291-L5309) * function[_inject_theme_attribute_in_block_template_content()](https://developer.wordpress.org/reference/functions/_inject_theme_attribute_in_block_template_content/) * Parses wp_template content and injects the active theme’s stylesheet as a theme attribute into each wp_template_part * Used by [0 functions](https://developer.wordpress.org/reference/functions/_inject_theme_attribute_in_block_template_content/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/_inject_theme_attribute_in_block_template_content/#uses) | Source: [wp-includes/deprecated.php:6061](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L6061-L6092) * function[_remove_theme_attribute_in_block_template_content()](https://developer.wordpress.org/reference/functions/_remove_theme_attribute_in_block_template_content/) * Parses a block template and removes the theme attribute from each template part. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_remove_theme_attribute_in_block_template_content/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/_remove_theme_attribute_in_block_template_content/#uses) | Source: [wp-includes/deprecated.php:6104](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L6104-L6132) * function[wp_get_loading_attr_default()](https://developer.wordpress.org/reference/functions/wp_get_loading_attr_default/) * Gets the default value to use for a `loading` attribute on an element. * Used by [1 function](https://developer.wordpress.org/reference/functions/wp_get_loading_attr_default/#used-by) | Uses [9 functions](https://developer.wordpress.org/reference/functions/wp_get_loading_attr_default/#uses) | Source: [wp-includes/deprecated.php:4703](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4703-L4772) * function[_wp_multiple_block_styles()](https://developer.wordpress.org/reference/functions/_wp_multiple_block_styles/) * Allows multiple block styles. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_wp_multiple_block_styles/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/_wp_multiple_block_styles/#uses) | Source: [wp-includes/deprecated.php:4473](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4473-L4476) * function[the_block_template_skip_link()](https://developer.wordpress.org/reference/functions/the_block_template_skip_link/) * Prints the skip-link script & styles. * Used by [0 functions](https://developer.wordpress.org/reference/functions/the_block_template_skip_link/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/the_block_template_skip_link/#uses) | Source: [wp-includes/deprecated.php:6143](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L6143-L6241) * function[wp_add_iframed_editor_assets_html()](https://developer.wordpress.org/reference/functions/wp_add_iframed_editor_assets_html/) * Inject the block editor assets that need to be loaded into the editor’s iframe as an inline script. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_add_iframed_editor_assets_html/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_add_iframed_editor_assets_html/#uses) | Source: [wp-includes/deprecated.php:4329](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4329-L4331) * function[wp_sanitize_script_attributes()](https://developer.wordpress.org/reference/functions/wp_sanitize_script_attributes/) * Sanitizes an attributes array into an attributes string to be placed inside a“ tag. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_sanitize_script_attributes/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_sanitize_script_attributes/#uses) | Source: [wp-includes/deprecated.php:6521](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L6521-L6535) * function[wp_update_https_detection_errors()](https://developer.wordpress.org/reference/functions/wp_update_https_detection_errors/) * Runs a remote HTTPS request to detect whether HTTPS supported, and stores potential errors. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_update_https_detection_errors/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/wp_update_https_detection_errors/#uses) | Source: [wp-includes/deprecated.php:5984](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L5984-L6008) * hook[pre_wp_update_https_detection_errors](https://developer.wordpress.org/reference/hooks/pre_wp_update_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_update_https_detection_errors/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/pre_wp_update_https_detection_errors/#uses) | Source: [wp-includes/deprecated.php:5999](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L5999-L5999) * function[wp_img_tag_add_loading_attr()](https://developer.wordpress.org/reference/functions/wp_img_tag_add_loading_attr/) * Adds `loading` attribute to an `img` HTML tag. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_img_tag_add_loading_attr/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/wp_img_tag_add_loading_attr/#uses) | Source: [wp-includes/deprecated.php:4785](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4785-L4810) * function[wp_slash_strings_only()](https://developer.wordpress.org/reference/functions/wp_slash_strings_only/) * Adds slashes to only string values in an array of values. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_slash_strings_only/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_slash_strings_only/#uses) | Source: [wp-includes/deprecated.php:4126](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4126-L4128) * function[addslashes_strings_only()](https://developer.wordpress.org/reference/functions/addslashes_strings_only/) * Adds slashes only if the provided value is a string. * Used by [0 functions](https://developer.wordpress.org/reference/functions/addslashes_strings_only/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/addslashes_strings_only/#uses) | Source: [wp-includes/deprecated.php:4141](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4141-L4143) * function[_excerpt_render_inner_columns_blocks()](https://developer.wordpress.org/reference/functions/_excerpt_render_inner_columns_blocks/) * Render inner blocks from the `core/columns` block for generating an excerpt. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_excerpt_render_inner_columns_blocks/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/_excerpt_render_inner_columns_blocks/#uses) | Source: [wp-includes/deprecated.php:4232](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4232-L4236) * function[wp_sensitive_page_meta()](https://developer.wordpress.org/reference/functions/wp_sensitive_page_meta/) * Display a `noindex,noarchive` meta tag and referrer `strict-origin-when-cross- origin` meta tag. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_sensitive_page_meta/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_sensitive_page_meta/#uses) | Source: [wp-includes/deprecated.php:4210](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4210-L4217) * function[wp_get_user_request_data()](https://developer.wordpress.org/reference/functions/wp_get_user_request_data/) * Return the user request object for the specified request ID. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_get_user_request_data/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_get_user_request_data/#uses) | Source: [wp-includes/deprecated.php:4001](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4001-L4004) * function[_get_path_to_translation()](https://developer.wordpress.org/reference/functions/_get_path_to_translation/) * Gets the path to a translation file for loading a textdomain just in time. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_get_path_to_translation/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/_get_path_to_translation/#uses) | Source: [wp-includes/deprecated.php:4397](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4397-L4411) * function[_get_path_to_translation_from_lang_dir()](https://developer.wordpress.org/reference/functions/_get_path_to_translation_from_lang_dir/) * Gets the path to a translation file in the languages directory for the current locale. * Used by [1 function](https://developer.wordpress.org/reference/functions/_get_path_to_translation_from_lang_dir/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/_get_path_to_translation_from_lang_dir/#uses) | Source: [wp-includes/deprecated.php:4427](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4427-L4462) * function[_filter_query_attachment_filenames()](https://developer.wordpress.org/reference/functions/_filter_query_attachment_filenames/) * Filter the SQL clauses of an attachment query to include filenames. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_filter_query_attachment_filenames/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/_filter_query_attachment_filenames/#uses) | Source: [wp-includes/deprecated.php:4544](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4544-L4548) * function[_wp_register_meta_args_whitelist()](https://developer.wordpress.org/reference/functions/_wp_register_meta_args_whitelist/) * Filters out `register_meta()` args based on an allowed list. * Used by [0 functions](https://developer.wordpress.org/reference/functions/_wp_register_meta_args_whitelist/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/_wp_register_meta_args_whitelist/#uses) | Source: [wp-includes/deprecated.php:4072](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4072-L4076) * function[wp_queue_comments_for_comment_meta_lazyload()](https://developer.wordpress.org/reference/functions/wp_queue_comments_for_comment_meta_lazyload/) * Queues comments for metadata lazy-loading. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_queue_comments_for_comment_meta_lazyload/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_queue_comments_for_comment_meta_lazyload/#uses) | Source: [wp-includes/deprecated.php:4663](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4663-L4676) * function[print_embed_styles()](https://developer.wordpress.org/reference/functions/print_embed_styles/) * Prints the CSS in the embed iframe header. * Used by [0 functions](https://developer.wordpress.org/reference/functions/print_embed_styles/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/print_embed_styles/#uses) | Source: [wp-includes/deprecated.php:5896](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L5896-L5905) * function[wp_make_content_images_responsive()](https://developer.wordpress.org/reference/functions/wp_make_content_images_responsive/) * Filters ‘img’ elements in post content to add ‘srcset’ and ‘sizes’ attributes. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_make_content_images_responsive/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_make_content_images_responsive/#uses) | Source: [wp-includes/deprecated.php:4017](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L4017-L4022) * function[print_emoji_styles()](https://developer.wordpress.org/reference/functions/print_emoji_styles/) * Prints the important emoji-related styles. * Used by [0 functions](https://developer.wordpress.org/reference/functions/print_emoji_styles/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/print_emoji_styles/#uses) | Source: [wp-includes/deprecated.php:5913](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L5913-L5939) * function[wp_ajax_press_this_add_category()](https://developer.wordpress.org/reference/functions/wp_ajax_press_this_add_category/) * Ajax handler for creating new category from Press This. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_ajax_press_this_add_category/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/wp_ajax_press_this_add_category/#uses) | Source: [wp-includes/deprecated.php:3980](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L3980-L3989) * function[wp_ajax_press_this_save_post()](https://developer.wordpress.org/reference/functions/wp_ajax_press_this_save_post/) * Ajax handler for saving a post from Press This. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_ajax_press_this_save_post/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/wp_ajax_press_this_save_post/#uses) | Source: [wp-includes/deprecated.php:3963](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L3963-L3972) * hook[parent_post_rel_link](https://developer.wordpress.org/reference/hooks/parent_post_rel_link/) * Used by [0 functions](https://developer.wordpress.org/reference/hooks/parent_post_rel_link/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/parent_post_rel_link/#uses) | Source: [wp-includes/deprecated.php:2819](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L2819-L2819) * hook[{$boundary}_post_rel_link](https://developer.wordpress.org/reference/hooks/boundary_post_rel_link/) * Used by [0 functions](https://developer.wordpress.org/reference/hooks/boundary_post_rel_link/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/boundary_post_rel_link/#uses) | Source: [wp-includes/deprecated.php:2745](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L2745-L2745) * hook[added_usermeta](https://developer.wordpress.org/reference/hooks/added_usermeta/) * Used by [0 functions](https://developer.wordpress.org/reference/hooks/added_usermeta/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/added_usermeta/#uses) | Source: [wp-includes/deprecated.php:2408](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/deprecated.php#L2408-L2408) [Previous Page](https://developer.wordpress.org/reference/files/wp-includes/deprecated.php/?output_format=md) [1](https://developer.wordpress.org/reference/files/wp-includes/deprecated.php/?output_format=md) 2 [3](https://developer.wordpress.org/reference/files/wp-includes/deprecated.php/page/3/?output_format=md) [4](https://developer.wordpress.org/reference/files/wp-includes/deprecated.php/page/4/?output_format=md)… 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