_wp_delete_customize_changeset_dependent_auto_drafts() – Delete auto-draft posts associated with the supplied changeset.
_wp_delete_tax_menu_item() – Serves as a callback for handling a menu item when its original object is deleted.
_WP_Editors::force_uncompressed_tinymce() – Force uncompressed TinyMCE when a custom theme has been defined.
_WP_Editors::get_mce_locale() – Fires when the editor scripts are loaded for later initialization, after all scripts and settings are printed.
_WP_Editors::print_default_editor_scripts() – Print (output) all editor scripts and default settings.
_WP_Editors::wp_mce_translation() – Translates the default TinyMCE strings and returns them as JSON encoded object ready to be loaded with tinymce.addI18n(), or as JS snippet that should run after tinymce.js is loaded.
_wp_expand_nav_menu_post_data() – If a JSON blob of navigation menu data is in POST data, expand it and inject it into `$_POST` to avoid PHP `max_input_vars` limitations. See #14134.
_wp_handle_upload() – Handle PHP uploads in WordPress, sanitizing file names, checking extensions for mime type, and moving the file to the appropriate directory within the uploads directory.
_wp_image_meta_replace_original() – Updates the attached file and image meta data when the original image was edited.
_wp_keep_alive_customize_changeset_dependent_auto_drafts() – Make sure that auto-draft posts get their post_date bumped or status changed to draft to prevent premature garbage-collection.
_wp_menu_item_classes_by_context() – Add the class property classes for the current context, if applicable.
_wp_mysql_week() – Return a MySQL expression for selecting the week number based on the start_of_week option.
_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_remove_unregistered_widgets() – Compares a list of sidebars with their widgets against a whitelist.
_wp_scripts_maybe_doing_it_wrong() – Helper function to output a _doing_it_wrong message when applicable.
_wp_translate_php_url_constant_to_key() – Translate a PHP_URL_* constant to the named array keys PHP uses.
_wp_upgrade_revisions_of_post() – Upgrade the revisions author, add the current post as a revision and set the revisions version to 1
_wp_upload_dir() – A non-filtered, non-cached version of wp_upload_dir() that doesn’t check the path.
_wptexturize_pushpop_element() – Search for disabled element tags. Push element to stack on tag open and pop on tag close.
WordPress core a2z
WordPress core a2z