How to add custom post types to API?
You can add your custom post type to the API when you register it. Using the ‘book’ post type example from the codex, we just add the show_in_rest argument.
Is there a way to get the metadata of a custom post?
If the metadata shows up when editing posts of the type, then yes, it must have been successfully stored in the DB. There’s two wp functions to retrieve the custom post type’s metadata: get_post_custom_values and get_post_meta.
How to register custom post types in WordPress?
WordPress stores the Post Types in the posts table allowing developers to register Custom Post Types along the ones that already exist. This chapter will show you how to register Custom Post Types, how to retrieve their content from the database, and how to render them to the public.
How to add REST API support for custom content types?
If you need to add REST API support for a custom post type or custom taxonomy you do not control, for example a theme or plugin you are using, you can use the register_post_type_args filter hook that exists since WordPress version 4.6.0. For custom taxnomies it is almost the same.
How to use add action function in WordPress?
To use add_action() when your plugin or theme is built using classes, you need to use the array callable syntax. You would pass the function to add_action() as an array, with $this as the first element, then the name of the class
Can you run classes constructor through add _ action?
I’d like to be able to just run the classes constructor through the add_action. That’s all that needs to be loaded to get the ball rolling. No, you cannot ‘initialise’ or instantiate the class through a hook, not directly.
How to hook into init hook in WordPress?
Let’s say that you have an init () function inside your class, that you want to hook into the WordPress init hook. Put your add_action () call inside your class, and then identify the callback like so: