Title: Object type specific registration hooks in 6.0 Author: Milana Cap Published: May 2, 2022 Last modified: May 3, 2022 --- [ ](https://profiles.wordpress.org/milana_cap/) [Milana Cap](https://profiles.wordpress.org/milana_cap/) 1:26 pm _on_ May 2, 2022 Tags: [6.0 ( 76 )](https://make.wordpress.org/core/tag/6-0/), [dev-notes ( 647 )](https://make.wordpress.org/core/tag/dev-notes/), [dev-notes-6.0 ( 20 )](https://make.wordpress.org/core/tag/dev-notes-6-0/) # Object type specific registration hooks in 6.0 If you’ve ever worked with post types in WordPress, chances are you’ve used `register_post_type_args` filterFilter Filters are one of the two types of Hooks [https://codex.wordpress.org/Plugin_API/Hooks](https://codex.wordpress.org/Plugin_API/Hooks). They provide a way for functions to modify data of other functions. They are the counterpart to Actions. Unlike Actions, filters are meant to work in an isolated manner, and should never have side effects such as affecting global variables and output. where you had to perform post type check. In WordPress 6.0 you won’t have to do that any more as new object type hooksHooks In WordPress theme and development, hooks are functions that can be applied to an action or a Filter in WordPress. Actions are functions performed when a certain event occurs in WordPress. Filters allow you to modify certain functions. Arguments used to hook both filters and actions look the same. are introduced. Similar to other dynamic hooks, these will allow you to directly hook into your custom post types and custom taxonomies. New filters: * `register_{$post_type}_post_type_args `– Filters the arguments for registering a specific post type. * `register_{$taxonomy}_taxonomy_args` – Filters the arguments for registering a specific taxonomyTaxonomy A taxonomy is a way to group things together. In WordPress, some common taxonomies are category, link, tag, or post format. [https://codex.wordpress.org/Taxonomies#Default_Taxonomies](https://codex.wordpress.org/Taxonomies#Default_Taxonomies).. New actions: * `registered_post_type_{$post_type}` – Fires **_after_** a specific post type is registered. * `registered_taxonomy_{$taxonomy}` – Fires **_after_** a specific taxonomy is registered. For more info see [#53212](https://core.trac.wordpress.org/ticket/53212). [#6-0](https://make.wordpress.org/core/tag/6-0/), [#dev-notes](https://make.wordpress.org/core/tag/dev-notes/), [#dev-notes-6-0](https://make.wordpress.org/core/tag/dev-notes-6-0/) ### Share this: * [ Threads ](https://make.wordpress.org/core/2022/05/02/object-type-specific-registration-hooks-in-6-0/?share=threads) * [ Mastodon ](https://make.wordpress.org/core/2022/05/02/object-type-specific-registration-hooks-in-6-0/?share=mastodon) * [ Bluesky ](https://make.wordpress.org/core/2022/05/02/object-type-specific-registration-hooks-in-6-0/?share=bluesky) * [ X ](https://make.wordpress.org/core/2022/05/02/object-type-specific-registration-hooks-in-6-0/?share=x) * [ Facebook ](https://make.wordpress.org/core/2022/05/02/object-type-specific-registration-hooks-in-6-0/?share=facebook) * [ LinkedIn ](https://make.wordpress.org/core/2022/05/02/object-type-specific-registration-hooks-in-6-0/?share=linkedin) 1. ![](https://secure.gravatar.com/avatar/8cf7655071f82970f9635a0c7e7646551756c333b57166083e506a72cad98916? s=32&d=mm&r=g) 2. [David Anderson](https://profiles.wordpress.org/davidanderson/) 1:55 pm _on_ May 2, 2022 3. I don’t understand this. An extra filterFilter Filters are one of the two types of Hooks [https://codex.wordpress.org/Plugin_API/Hooks](https://codex.wordpress.org/Plugin_API/Hooks). They provide a way for functions to modify data of other functions. They are the counterpart to Actions. Unlike Actions, filters are meant to work in an isolated manner, and should never have side effects such as affecting global variables and output. to save 1 line of code – but not a good precedent, because either now the same precedent should be applied everywhere, or we now have inconsistency in which some filters will have multiple versions to spare coders doing a 1-line check, and some won’t. 4. * ![](https://secure.gravatar.com/avatar/302e4aa5f4f537d66a3fae116fd93d32de1a1a4178680ee08ac021289127a3dd? s=32&d=mm&r=g) * [wpexplorer](https://profiles.wordpress.org/wpexplorer/) 4:05 am _on_ May 27, 2022 * I totally agree. And if you are modifying multiple post types you would just stick to the original filterFilter Filters are one of the two types of Hooks [https://codex.wordpress.org/Plugin_API/Hooks](https://codex.wordpress.org/Plugin_API/Hooks). They provide a way for functions to modify data of other functions. They are the counterpart to Actions. Unlike Actions, filters are meant to work in an isolated manner, and should never have side effects such as affecting global variables and output. and use a switch statement rather than multiple functions. * ![](https://secure.gravatar.com/avatar/ff75a9abbbd0a7cb3c8dac5d040917e40e9ea510f5aa22ff6e2320a9bab8a874? s=32&d=mm&r=g) * [drzraf](https://profiles.wordpress.org/drzraf/) 1:28 pm _on_ May 27, 2022 * New hooksHooks In WordPress theme and development, hooks are functions that can be applied to an action or a Filter in WordPress. Actions are functions performed when a certain event occurs in WordPress. Filters allow you to modify certain functions. Arguments used to hook both filters and actions look the same. are often good (and 6.0 is a new major version)… but in this case: - It’s a significant hook (which, if failing to run (on = WP 6.0 instead of a broader versions support. 5. ![](https://secure.gravatar.com/avatar/ff75a9abbbd0a7cb3c8dac5d040917e40e9ea510f5aa22ff6e2320a9bab8a874? s=32&d=mm&r=g) 6. [drzraf](https://profiles.wordpress.org/drzraf/) 1:30 pm _on_ May 27, 2022 7. …. 8. * It only spares one line and add nothing that couldn’t be accomplished before 9. It’s typical of a hook that will make easier, for careless pluginPlugin A plugin is a piece of software containing a group of functions that can be added to a WordPress website. They can extend functionality or add new features to your WordPress websites. WordPress plugins are written in the PHP programming language and integrate seamlessly with WordPress. These can be free in the WordPress.org Plugin Directory [https://wordpress.org/plugins/](https://wordpress.org/plugins/) or can be cost- based plugin from a third-party. developers, to quickly restrict their plugins to >= WP 6.0 only. Comments are closed. # Post navigation [← Performance Chat Agenda: 3 May 2022](https://make.wordpress.org/core/2022/05/02/performance-chat-agenda-3-may-2022/) [New features for working with patterns and themes in WordPress 6.0 →](https://make.wordpress.org/core/2022/05/02/new-features-for-working-with-patterns-and-themes-in-wordpress-6-0/)