Admin Panel (category)

Allows adding extra fields (custom fields or metadata fields) to the taxonomy item (term) editing page.

Allows you to register a meta box for any post type. Fires after all built-in meta boxes have been added.

Allows you to add custom CSS classes to the body tag in the site's admin panel.

Allows you to enqueue scripts and styles for all admin panel pages.

Fires while notices (messages and errors) are displayed at the top of an admin panel page. The attached function must output HTML.

Allows script code (or any text) to be output in the admin footer.

Fires when scripts are printed in the footer of a particular admin page.

Fires when scripts are printed on a particular admin page.

Allows you to change the title (<title> meta tag) of an admin page.

Allows you to add a custom field to an image (the field's HTML on the attachment editing screen).

An admin event hook that fires after the elements required to identify the current screen have been set up. It passes a WP_Screen object as its parameter.

Allows you to add a marker (state or label) to a post in the admin Posts table.

Allows you to change the placeholder text in the Title field when adding a new post.

Fires on a particular admin page. The page on which the hook fires is specified by (page_hook).

Fires when a particular admin page loads.

Fires when a plugin admin page is loaded (rarely used).

Fires for each custom column in the media table. Allows you to specify the value to display in a custom table column.

Allows you to remove or add links displayed below each plugin name in the admin Plugins table, such as Activate, Deactivate, and Delete.

Allows you to remove/add links displayed below the post title in the admin Posts table (for example: Edit, Quick Edit, Trash, View).

Fires immediately before the “Publish” (“Update”) button in the admin panel's “Publish” box. This hook can be used to add custom text before the button.

Allows you to change messages displayed when a post is updated or added.

Filters the final URL to which WordPress redirects the user when a post is saved, published, or updated.

Fires when an upgrader finishes. It can be used to perform an action after a plugin, theme, WordPress core, or language pack update.

Allows you to change the links (actions) displayed in a user's row in the Users list table in the admin panel.

Filters the query arguments used to retrieve users for the Users list table in the admin area.

Fires at the end (in the footer) of every admin page, before scripts are output.

Allows you to change the site status string displayed in the Sites list table in the network admin area.

Allows you to change the HTML block containing the “Thank you for creating with WordPress” text displayed at the bottom left of the admin area.

Allows you to change the HTML (content) of the Featured Image meta box.

Allows you to change the WordPress version displayed in the bottom-right corner of the admin area.

Allows you to retain only the required blocks in the Block Editor (Gutenberg).

Allows removing blocks (leaving only those permitted) for all types of block editors.

Allows you to change or extend the list of block attributes that support Block Bindings.

Allows you to add/remove/change Gutenberg block categories.

Allows changing block editor settings for all editor types.

Allows you to add Block Editor styles and scripts shared by the front end and back end, including inside the iframe.

Allows you to add styles or scripts to the block editor (Gutenberg) on the post editing screen.

Allows you to remove core WordPress Customizer components, such as the menus and widgets sections.

Deprecated hook that fires while built-in meta boxes are registered. Use add_meta_boxes since version 3.7.0.

Fires after all meta boxes (before the closing div#post-body tag) on the post editing screen in the admin area, allowing HTML to be added. Outputs nothing by default.

Allows you to remove the month selection drop-down from a post list table.

Fires after all meta boxes in the normal position but before those in the advanced position, allowing the displayed content to be controlled. Fires when adding or editing any post type except pages (post_type = page). Outputs nothing by default.

Fires after the visual editor, allowing the displayed content to be controlled. Outputs nothing by default.

Fires after the post title input field and its permalink, allowing the displayed content to be controlled. Outputs nothing by default.

Fires after the post title input field but before the post permalink is displayed, allowing the output content to be changed.

Fires before the post title input field, allowing the displayed content to be changed.

Fires after all meta boxes in the normal position but before those in the advanced position on the post editing screen in the admin area, allowing HTML to be added. Fires only when adding/editing a page (post_type = page). Outputs nothing by default.

Allows you to change the list of registered columns in the Posts table.

Allows you to change the list of registered columns in the admin post table for any post type except page.

Allows you to change the list of page actions in the Pages table.

Allows you to add HTML attributes to the <form> tag of the post publishing form in the admin area.

Allows you to change the set of meta fields in the Custom Fields meta box dropdown.

Allows you to change the number of custom fields displayed in the drop-down list in the meta-fields meta box on the post editing screen.

Fires before the meta boxes in the sidebar (side position) when editing a page (post_type = page), allowing the displayed content to be changed.

Fires before the meta boxes in the sidebar (side position) when editing posts and other post types except pages, allowing the displayed content to be changed.

Allows you to change the HTML of an image inserted into the editor using the “Add Media” button. Works in the Classic Editor.

Allows arbitrary CSS styles (a CSS file) to be added to the WordPress TinyMCE visual editor.

Allows you to configure the WordPress text editor — Quicktags.

Changes the HTML markup of the WordPress editor (the HTML to which TinyMCE and Quicktags are then attached).

Sets preliminary content/text for the WordPress editor — the default text.

Determines which editor (which tab) should be displayed by default: TinyMCE or HTML.

Sets the compression quality of generated JPG files.

Allows you to change the site locale (ex: en_US), which is retrieved by the get_locale() function.

Allows you to change the metadata (link, version, and so on) displayed for each plugin in the Plugins table.