_admin_notice_post_locked() – Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
_get_path_to_translation_from_lang_dir() – Gets the path to a translation file in the languages directory for the current locale.
_get_path_to_translation() – Gets the path to a translation file for loading a textdomain just in time.
_get_plugin_data_markup_translate() – Sanitizes plugin data, optionally adds markup, optionally translates.
_post_format_get_term() – Remove the post format prefix from the name property of the term object created by get_term().
_post_format_get_terms() – Remove the post format prefix from the name property of the term objects created by get_terms().
_post_format_wp_get_object_terms() – Remove the post format prefix from the name property of the term objects created by wp_get_object_terms().
_preview_theme_stylesheet_filter() – Private function to modify the current stylesheet when previewing a theme
_preview_theme_template_filter() – Private function to modify the current template when previewing a theme
_prime_comment_caches() – Adds any comments from the given IDs to the cache that do not already exist in cache.
_prime_network_caches() – Adds any networks from the given IDs to the cache that do not already exist in cache.
_prime_post_caches() – Adds any posts from the given IDs to the cache that do not already exist in cache
_prime_site_caches() – Adds any sites from the given IDs to the cache that do not already exist in cache.
_prime_term_caches() – Adds any terms from the given IDs to the cache that do not already exist in cache.
_reset_front_page_settings_for_post() – Reset the page_on_front, show_on_front, and page_for_post settings when a linked page is deleted or trashed.
_update_posts_count_on_delete() – Handler for updating the current site’s posts count when a post is deleted.
_update_posts_count_on_transition_post_status() – Handler for updating the current site’s posts count when a post status changes.
_wp_auto_add_pages_to_menu() – Automatically add newly published page objects to menus with that as an option.
_wp_block_editor_posts_page_notice() – Outputs a notice when editing the page for posts in the block editor (internal use only).
_WP_Editors::print_default_editor_scripts() – Print (output) all editor scripts and default settings.
_wp_personal_data_cleanup_requests() – Cleans up failed and expired requests before displaying the list table.
_wp_post_revision_data() – Returns a post array ready to be inserted into the posts table as a post revision.
_wp_post_thumbnail_class_filter_add() – Adds ‘_wp_post_thumbnail_class_filter’ callback to the ‘wp_get_attachment_image_attributes’ filter hook. Internal use only.
_wp_post_thumbnail_class_filter_remove() – Removes the ‘_wp_post_thumbnail_class_filter’ callback from the ‘wp_get_attachment_image_attributes’ filter hook. Internal use only.
_wp_post_thumbnail_class_filter() – Adds a ‘wp-post-image’ class to post thumbnails. Internal use only.
_wp_privacy_completed_request() – Marks a request as completed by the admin and logs the current timestamp.
_wp_privacy_requests_screen_options() – Was used to add options for the privacy requests screens before they were separate files.
_wp_privacy_send_erasure_fulfillment_notification() – Notify the user when their erasure request is fulfilled.
_wp_privacy_send_request_confirmation_notification() – Notify the site administrator via email when a request is confirmed.
_wp_privacy_settings_filter_draft_page_titles() – Appends ‘(Draft)’ to draft page titles in the privacy page dropdown so that unpublished content is obvious.
_wp_translate_php_url_constant_to_key() – Translate a PHP_URL_* constant to the named array keys PHP uses.
_wptexturize_pushpop_element() – Search for disabled element tags. Push element to stack on tag open and pop on tag close.
