Title: 6.9.0 | Page 8 of 9 | Developer.WordPress.org --- # New and updated in 6.9.0 Functions Hooks Classes Methods * function[wp_oembed_add_discovery_links()](https://developer.wordpress.org/reference/functions/wp_oembed_add_discovery_links/) * Adds oEmbed discovery links in the head element of the website. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_oembed_add_discovery_links/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/wp_oembed_add_discovery_links/#uses) | Source: [wp-includes/embed.php:337](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/embed.php#L337-L366) * method[WP_Comment_Query::get_comment_ids()](https://developer.wordpress.org/reference/classes/wp_comment_query/get_comment_ids/) * Used internally to get a list of comment IDs matching the query vars. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_comment_query/get_comment_ids/#used-by) | Uses [12 functions](https://developer.wordpress.org/reference/classes/wp_comment_query/get_comment_ids/#uses) | Source: [wp-includes/class-wp-comment-query.php:553](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/class-wp-comment-query.php#L553-L1007) * function[wp_script_add_data()](https://developer.wordpress.org/reference/functions/wp_script_add_data/) * Adds metadata to a script. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_script_add_data/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_script_add_data/#uses) | Source: [wp-includes/functions.wp-scripts.php:552](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/functions.wp-scripts.php#L552-L554) * function[revoke_super_admin()](https://developer.wordpress.org/reference/functions/revoke_super_admin/) * Revokes Super Admin privileges. * Used by [0 functions](https://developer.wordpress.org/reference/functions/revoke_super_admin/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/revoke_super_admin/#uses) | Source: [wp-includes/capabilities.php:1259](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/capabilities.php#L1259-L1296) * function[get_pending_comments_num()](https://developer.wordpress.org/reference/functions/get_pending_comments_num/) * Gets the number of pending comments on a post or posts. * Used by [5 functions](https://developer.wordpress.org/reference/functions/get_pending_comments_num/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/get_pending_comments_num/#uses) | Source: [wp-admin/includes/comment.php:232](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-admin/includes/comment.php#L232-L269) * function[add_role()](https://developer.wordpress.org/reference/functions/add_role/) * Adds a role, if it does not exist. * Used by [1 function](https://developer.wordpress.org/reference/functions/add_role/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/add_role/#uses) | Source: [wp-includes/capabilities.php:1135](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/capabilities.php#L1135-L1141) * method[WP_Roles::add_role()](https://developer.wordpress.org/reference/classes/wp_roles/add_role/) * Adds a role name with capabilities to the list. * Used by [1 function](https://developer.wordpress.org/reference/classes/wp_roles/add_role/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/classes/wp_roles/add_role/#uses) | Source: [wp-includes/class-wp-roles.php:176](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/class-wp-roles.php#L176-L195) * function[wp_cron()](https://developer.wordpress.org/reference/functions/wp_cron/) * Registers _wp_cron() to run on the {@see ‘shutdown’} action. * Used by [0 functions](https://developer.wordpress.org/reference/functions/wp_cron/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/wp_cron/#uses) | Source: [wp-includes/cron.php:1020](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/cron.php#L1020-L1032) * function[esc_url()](https://developer.wordpress.org/reference/functions/esc_url/) * Checks and cleans a URL. * Used by [323 functions](https://developer.wordpress.org/reference/functions/esc_url/#used-by) | Uses [7 functions](https://developer.wordpress.org/reference/functions/esc_url/#uses) | Source: [wp-includes/formatting.php:4551](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/formatting.php#L4551-L4650) * function[esc_url_raw()](https://developer.wordpress.org/reference/functions/esc_url_raw/) * Sanitizes a URL for database or redirect usage. * Used by [6 functions](https://developer.wordpress.org/reference/functions/esc_url_raw/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/esc_url_raw/#uses) | Source: [wp-includes/formatting.php:4669](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/formatting.php#L4669-L4671) * hook[get_avatar_comment_types](https://developer.wordpress.org/reference/hooks/get_avatar_comment_types/) * Filters the list of allowed comment types for retrieving avatars. * Used by [1 function](https://developer.wordpress.org/reference/hooks/get_avatar_comment_types/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/get_avatar_comment_types/#uses) | Source: [wp-includes/link-template.php:4355](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/link-template.php#L4355-L4355) * function[wp_check_invalid_utf8()](https://developer.wordpress.org/reference/functions/wp_check_invalid_utf8/) * Checks for invalid UTF8 in a string. * Used by [5 functions](https://developer.wordpress.org/reference/functions/wp_check_invalid_utf8/#used-by) | Uses [3 functions](https://developer.wordpress.org/reference/functions/wp_check_invalid_utf8/#uses) | Source: [wp-includes/formatting.php:1127](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/formatting.php#L1127-L1147) * hook[wp_mail](https://developer.wordpress.org/reference/hooks/wp_mail/) * Filters the wp_mail() arguments. * Used by [1 function](https://developer.wordpress.org/reference/hooks/wp_mail/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/wp_mail/#uses) | Source: [wp-includes/pluggable.php:209](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/pluggable.php#L209-L209) * function[wp_mail()](https://developer.wordpress.org/reference/functions/wp_mail/) * Sends an email, similar to PHP’s mail function. * Used by [28 functions](https://developer.wordpress.org/reference/functions/wp_mail/#used-by) | Uses [10 functions](https://developer.wordpress.org/reference/functions/wp_mail/#uses) | Source: [wp-includes/pluggable.php:189](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/pluggable.php#L189-L669) * function[sanitize_url()](https://developer.wordpress.org/reference/functions/sanitize_url/) * Sanitizes a URL for database or redirect usage. * Used by [51 functions](https://developer.wordpress.org/reference/functions/sanitize_url/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/sanitize_url/#uses) | Source: [wp-includes/formatting.php:4689](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/formatting.php#L4689-L4691) * function[safecss_filter_attr()](https://developer.wordpress.org/reference/functions/safecss_filter_attr/) * Filters an inline style attribute and removes disallowed rules. * Used by [4 functions](https://developer.wordpress.org/reference/functions/safecss_filter_attr/#used-by) | Uses [5 functions](https://developer.wordpress.org/reference/functions/safecss_filter_attr/#uses) | Source: [wp-includes/kses.php:2648](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/kses.php#L2648-L3072) * function[wp_register_script()](https://developer.wordpress.org/reference/functions/wp_register_script/) * Registers a new script. * Used by [6 functions](https://developer.wordpress.org/reference/functions/wp_register_script/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_register_script/#uses) | Source: [wp-includes/functions.wp-scripts.php:278](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/functions.wp-scripts.php#L278-L292) * function[wp_enqueue_script()](https://developer.wordpress.org/reference/functions/wp_enqueue_script/) * Enqueues a script. * Used by [52 functions](https://developer.wordpress.org/reference/functions/wp_enqueue_script/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_enqueue_script/#uses) | Source: [wp-includes/functions.wp-scripts.php:473](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/functions.wp-scripts.php#L473-L496) * class[WP_Feed_Cache_Transient](https://developer.wordpress.org/reference/classes/wp_feed_cache_transient/) * Core class used to implement feed cache transients. * Used by [0 functions](https://developer.wordpress.org/reference/classes/wp_feed_cache_transient/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/classes/wp_feed_cache_transient/#uses) | Source: [wp-includes/class-wp-feed-cache-transient.php:17](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/class-wp-feed-cache-transient.php#L17-L138) * hook[get_{$adjacent}_post_where](https://developer.wordpress.org/reference/hooks/get_adjacent_post_where/) * Filters the WHERE clause in the SQL for an adjacent post query. * Used by [1 function](https://developer.wordpress.org/reference/hooks/get_adjacent_post_where/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/get_adjacent_post_where/#uses) | Source: [wp-includes/link-template.php:1990](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/link-template.php#L1990-L1990) * hook[get_{$adjacent}_post_sort](https://developer.wordpress.org/reference/hooks/get_adjacent_post_sort/) * Filters the ORDER BY clause in the SQL for an adjacent post query. * Used by [1 function](https://developer.wordpress.org/reference/hooks/get_adjacent_post_sort/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/hooks/get_adjacent_post_sort/#uses) | Source: [wp-includes/link-template.php:2012](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/link-template.php#L2012-L2012) * function[wp_style_add_data()](https://developer.wordpress.org/reference/functions/wp_style_add_data/) * Adds metadata to a CSS stylesheet. * Used by [2 functions](https://developer.wordpress.org/reference/functions/wp_style_add_data/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/wp_style_add_data/#uses) | Source: [wp-includes/functions.wp-styles.php:244](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/functions.wp-styles.php#L244-L246) * function[has_action()](https://developer.wordpress.org/reference/functions/has_action/) * Checks if any action has been registered for a hook. * Used by [28 functions](https://developer.wordpress.org/reference/functions/has_action/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/has_action/#uses) | Source: [wp-includes/plugin.php:599](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/plugin.php#L599-L601) * function[_wp_filter_build_unique_id()](https://developer.wordpress.org/reference/functions/_wp_filter_build_unique_id/) * Builds a unique string ID for a hook callback function. * Used by [3 functions](https://developer.wordpress.org/reference/functions/_wp_filter_build_unique_id/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/_wp_filter_build_unique_id/#uses) | Source: [wp-includes/plugin.php:1002](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/plugin.php#L1002-L1024) * function[has_filter()](https://developer.wordpress.org/reference/functions/has_filter/) * Checks if any filter has been registered for a hook. * Used by [28 functions](https://developer.wordpress.org/reference/functions/has_filter/#used-by) | Uses [0 functions](https://developer.wordpress.org/reference/functions/has_filter/#uses) | Source: [wp-includes/plugin.php:287](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/plugin.php#L287-L295) * function[wp_get_user_contact_methods()](https://developer.wordpress.org/reference/functions/wp_get_user_contact_methods/) * Sets up the user contact methods. * Used by [4 functions](https://developer.wordpress.org/reference/functions/wp_get_user_contact_methods/#used-by) | Uses [1 function](https://developer.wordpress.org/reference/functions/wp_get_user_contact_methods/#uses) | Source: [wp-includes/user.php:3043](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/user.php#L3043-L3055) * function[count_many_users_posts()](https://developer.wordpress.org/reference/functions/count_many_users_posts/) * Gets the number of posts written by a list of users. * Used by [1 function](https://developer.wordpress.org/reference/functions/count_many_users_posts/#used-by) | Uses [6 functions](https://developer.wordpress.org/reference/functions/count_many_users_posts/#uses) | Source: [wp-includes/user.php:661](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/user.php#L661-L713) * function[get_taxonomy_template()](https://developer.wordpress.org/reference/functions/get_taxonomy_template/) * Retrieves path of custom taxonomy term template in current or parent template. * Used by [0 functions](https://developer.wordpress.org/reference/functions/get_taxonomy_template/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/get_taxonomy_template/#uses) | Source: [wp-includes/template.php:349](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/template.php#L349-L369) * function[get_the_author_meta()](https://developer.wordpress.org/reference/functions/get_the_author_meta/) * Retrieves the requested data of the author of the current post. * Used by [23 functions](https://developer.wordpress.org/reference/functions/get_the_author_meta/#used-by) | Uses [2 functions](https://developer.wordpress.org/reference/functions/get_the_author_meta/#uses) | Source: [wp-includes/author-template.php:167](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/author-template.php#L167-L196) * function[get_the_modified_author()](https://developer.wordpress.org/reference/functions/get_the_modified_author/) * Retrieves the author who last edited the current post. * Used by [1 function](https://developer.wordpress.org/reference/functions/get_the_modified_author/#used-by) | Uses [4 functions](https://developer.wordpress.org/reference/functions/get_the_modified_author/#uses) | Source: [wp-includes/author-template.php:94](https://github.com/WordPress/wordpress-develop/blob/7.1/src/wp-includes/author-template.php#L94-L114) [Previous Page](https://developer.wordpress.org/reference/since/6.9.0/page/7/?output_format=md) [1](https://developer.wordpress.org/reference/since/6.9.0/?output_format=md) … [6](https://developer.wordpress.org/reference/since/6.9.0/page/6/?output_format=md) [7](https://developer.wordpress.org/reference/since/6.9.0/page/7/?output_format=md) 8 [9](https://developer.wordpress.org/reference/since/6.9.0/page/9/?output_format=md) [Next 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