Action Hook: Fires before the permalink field in the edit form.

Action Hook: Fires inside the post editor form tag.

Filter Hook: Filters whether to enable the ‘expand’ functionality in the post editor.

Action Hook: Fires before meta boxes with ‘side’ context are output for the ‘page’ post type.

Action Hook: Fires before meta boxes with ‘side’ context are output for all post types other than ‘page’.

Action Hook: Fires after ‘normal’ context meta boxes have been output for the ‘page’ post type.

Action Hook: Fires after ‘normal’ context meta boxes have been output for all post types other than ‘page’.

Action Hook: Fires after all meta box sections have been output, before the closing #post-body div.

Action Hook: Fires after the title field.

Action Hook: Fires after the content editor.

Filter Hook: Filters the post updated messages.

Action Hook: Fires at the beginning of the edit form.

Filter Hook: Filters the title field placeholder text.