Overview

Defines wp-admin AJAX handlers for authenticated and unauthenticated requests. Handlers are named wp_ajax_*() and are invoked by admin-ajax.php when the action request parameter matches the suffix.

Usage

Request handlers by sending action=... to admin-ajax.php. The handler name is wp_ajax_{action} (or wp_ajax_nopriv_{action} for unauthenticated requests).

$.post(ajaxurl, {
  action: "get_comments",
  post_id: 123,
  _ajax_nonce: myNonce
});

AJAX Handlers

• wp_ajax_nopriv_heartbeat() — Administration API: Core Ajax handlers
• wp_ajax_fetch_list() — Filters Heartbeat Ajax response in no-privilege environments.
• wp_ajax_ajax_tag_search() — Handles tag search via AJAX.
• wp_ajax_wp_compression_test() — Filters the minimum number of characters required to fire a tag search via Ajax.
• wp_ajax_imgedit_preview() — Handles image editor previews via AJAX.
• wp_ajax_oembed_cache() — Handles oEmbed caching via AJAX.
• wp_ajax_autocomplete_user() — Handles user autocomplete via AJAX.
• wp_ajax_get_community_events() — This filter is documented in wp-admin/user-new.php */
• wp_ajax_dashboard_widgets() — Handles dashboard widgets via AJAX.
• wp_ajax_logged_in() — Handles Customizer preview logged-in status via AJAX.
• wp_ajax_delete_comment() — This filter is documented in wp-admin/includes/meta-boxes.php */
• wp_ajax_delete_tag() — Handles deleting a tag via AJAX.
• wp_ajax_delete_link() — Handles deleting a link via AJAX.
• wp_ajax_delete_meta() — Handles deleting meta via AJAX.
• wp_ajax_delete_post() — Handles deleting a post via AJAX.
• wp_ajax_trash_post() — Handles sending a post to the Trash via AJAX.
• wp_ajax_untrash_post() — Handles restoring a post from the Trash via AJAX.
• wp_ajax_delete_page() — Handles deleting a page via AJAX.
• wp_ajax_dim_comment() — Handles dimming a comment via AJAX.
• wp_ajax_add_link_category() — Handles adding a link category via AJAX.
• wp_ajax_add_tag() — Handles adding a tag via AJAX.
• wp_ajax_get_tagcloud() — Handles getting a tagcloud via AJAX.
• wp_ajax_get_comments() — Handles getting comments via AJAX.
• wp_ajax_replyto_comment() — Handles replying to a comment via AJAX.
• wp_ajax_edit_comment() — Handles editing a comment via AJAX.
• wp_ajax_add_menu_item() — Handles adding a menu item via AJAX.
• wp_ajax_add_meta() — This filter is documented in wp-admin/includes/nav-menu.php */
• wp_ajax_add_user() — Handles adding a user via AJAX.
• wp_ajax_closed_postboxes() — Handles closed post boxes via AJAX.
• wp_ajax_hidden_columns() — Handles hidden columns via AJAX.
• wp_ajax_update_welcome_panel() — Handles updating whether to display the welcome panel via AJAX.
• wp_ajax_menu_get_metabox() — Handles for retrieving menu meta boxes via AJAX.
• wp_ajax_wp_link_ajax() — This filter is documented in wp-admin/includes/nav-menu.php */
• wp_ajax_menu_locations_save() — Handles saving menu locations via AJAX.
• wp_ajax_meta_box_order() — Handles saving the meta box order via AJAX.
• wp_ajax_menu_quick_search() — Handles menu quick searching via AJAX.
• wp_ajax_get_permalink() — Handles retrieving a permalink via AJAX.
• wp_ajax_sample_permalink() — Handles retrieving a sample permalink via AJAX.
• wp_ajax_inline_save() — Handles Quick Edit saving a post from a list table via AJAX.
• wp_ajax_inline_save_tax() — This filter is documented in wp-admin/includes/class-wp-posts-list-table.php */
• wp_ajax_find_posts() — Handles querying posts for the Find Posts modal via AJAX.
• wp_ajax_widgets_order() — Handles saving the widgets order via AJAX.
• wp_ajax_save_widget() — Handles saving a widget via AJAX.
• wp_ajax_update_widget() — Fires early when editing the widgets displayed in sidebars.
• wp_ajax_delete_inactive_widgets() — Handles removing inactive widgets via AJAX.
• wp_ajax_media_create_image_subsizes() — This action is documented in wp-admin/includes/ajax-actions.php */
• wp_ajax_upload_attachment() — Handles uploading attachments via AJAX.
• wp_ajax_image_editor() — Handles image editing via AJAX.
• wp_ajax_set_post_thumbnail() — Handles setting the featured image via AJAX.
• wp_ajax_get_post_thumbnail_html() — Handles retrieving HTML for the featured image via AJAX.
• wp_ajax_set_attachment_thumbnail() — Handles setting the featured image for an attachment via AJAX.
• wp_ajax_date_format() — Handles formatting a date via AJAX.
• wp_ajax_time_format() — Handles formatting a time via AJAX.
• wp_ajax_wp_fullscreen_save_post() — Handles saving posts from the fullscreen editor via AJAX.
• wp_ajax_wp_remove_post_lock() — Handles removing a post lock via AJAX.
• wp_ajax_dismiss_wp_pointer() — Filters the post lock window duration.
• wp_ajax_get_attachment() — Handles getting an attachment via AJAX.
• wp_ajax_query_attachments() — Handles querying attachments via AJAX.
• wp_ajax_save_attachment() — Filters the arguments passed to WP_Query during an Ajax
• wp_ajax_save_attachment_compat() — Handles saving backward compatible attachment attributes via AJAX.
• wp_ajax_save_attachment_order() — This filter is documented in wp-admin/includes/media.php */
• wp_ajax_send_attachment_to_editor() — Handles sending an attachment to the editor via AJAX.
• wp_ajax_send_link_to_editor() — This filter is documented in wp-admin/includes/media.php */
• wp_ajax_heartbeat() — This filter is documented in wp-admin/includes/media.php */
• wp_ajax_get_revision_diffs() — Filters the nonces to send to the New/Edit Post screen.
• wp_ajax_save_user_color_scheme() — Handles auto-saving the selected color scheme for
• wp_ajax_query_themes() — Handles getting themes from themes_api() via AJAX.
• wp_ajax_parse_embed() — This filter is documented in wp-admin/includes/class-wp-theme-install-list-table.php */
• wp_ajax_parse_media_shortcode() — function wp_ajax_parse_media_shortcode(
• wp_ajax_destroy_sessions() — Handles destroying multiple open sessions for a user via AJAX.
• wp_ajax_crop_image() — Handles cropping an image via AJAX.
• wp_ajax_generate_password() — This filter is documented in wp-admin/includes/class-custom-image-header.php */
• wp_ajax_nopriv_generate_password() — Handles generating a password in the no-privilege context via AJAX.
• wp_ajax_save_wporg_username() — Handles saving the user’s WordPress.org username via AJAX.
• wp_ajax_install_theme() — Handles installing a theme via AJAX.
• wp_ajax_update_theme() — Handles updating a theme via AJAX.
• wp_ajax_delete_theme() — Handles deleting a theme via AJAX.
• wp_ajax_install_plugin() — Handles installing a plugin via AJAX.
• wp_ajax_activate_plugin() — Handles activating a plugin via AJAX.
• wp_ajax_update_plugin() — Handles updating a plugin via AJAX.
• wp_ajax_delete_plugin() — Handles deleting a plugin via AJAX.
• wp_ajax_search_plugins() — Handles searching plugins via AJAX.
• wp_ajax_search_install_plugins() — @var WP_Plugins_List_Table $wp_list_table */
• wp_ajax_edit_theme_plugin_file() — @var WP_Plugin_Install_List_Table $wp_list_table */
• wp_ajax_wp_privacy_export_personal_data() — Handles exporting a user’s personal data via AJAX.
• wp_ajax_wp_privacy_erase_personal_data() — Filters the array of exporter callbacks.
• wp_ajax_health_check_dotorg_communication() — Filters the array of personal data eraser callbacks.
• wp_ajax_health_check_background_updates() — Handles site health checks on background updates via AJAX.
• wp_ajax_health_check_loopback_requests() — Handles site health checks on loopback requests via AJAX.
• wp_ajax_health_check_site_status_result() — Handles site health check to update the result status via AJAX.
• wp_ajax_health_check_get_sizes() — Handles site health check to get directories and database sizes via AJAX.
• wp_ajax_rest_nonce() — Handles renewing the REST API nonce via AJAX.
• wp_ajax_toggle_auto_updates() — Handles enabling or disable plugin and theme auto-updates via AJAX.
• wp_ajax_send_password_reset() — This filter is documented in wp-admin/includes/class-wp-plugins-list-table.php */