WP extension (enhancement) (tag)
| add_theme_support() | Registers support for new theme features in WordPress (support for thumbnails, post formats, etc.). |
| register_post_meta() | Registers a meta key for posts (post custom field). |
| register_post_status() | Function for creating a new or editing an old post status, based on the provided parameters. |
| register_post_type() | Creates a new post type or changes an existing one. |
| register_taxonomy() | Creates a new custom WordPress taxonomy. Allows you to change an existing taxonomy. |
| register_term_meta() | Registers a meta-field for the specified taxonomy. |
| wp_install_defaults() | Creates default content for a newly installed site: basic categories, posts, pages, etc. |