Custom Types (category)
| add_post_type_support() | Register support of certain features for a post type. |
| get_post_permalink() | Retrieves the permalink for a post of a custom post type. |
| get_post_type() | Retrieves the post type of the current post or of a given post. |
| get_post_type_archive_link() | Retrieves the permalink for a post type archive. |
| get_post_type_object() | Retrieves a post type object by name. |
| get_post_types() | Gets data (objects) of registered post types. Not the posts themselves, but the post types data. |
| get_the_post_type_description() | Retrieves the description for a post type archive. |
| is_post_type_archive() | Checks if current user is on the archive page of custom post type. |
| is_post_type_hierarchical() | Checks if the post type is hierarchical. |
| is_post_type_viewable() | Determines whether a post type is considered "viewable". |
| post_type_archive_title() | Display or retrieve title for a post type archive. |
| post_type_exists() | Determines whether the specified post type is registered. |
| post_type_supports() | Check a post type's support for a given feature. |
| register_post_type() | Creates a new post type or changes an existing one. |
| remove_post_type_support() | Remove support for a feature from a post type. |
| set_post_type() | Update the post type for the post ID. |
| unregister_post_type() | Unregisters (deletes) a post type. |