What is WordPress Hook: rest_{$this->post_type}_trashable
The rest_{$this->post_type}_trashable hook in WordPress is used to determine whether a specific post type supports being sent to the trash. This hook allows developers to modify the behavior of trashing posts for a specific post type.
Understanding the Hook: rest_{$this->post_type}_trashable
The rest_{$this->post_type}_trashable hook is located within the wp-includes/post.php file in WordPress. It is called within the wp_trash_post function, which is responsible for moving a post to the trash.
Hook Parameters (if applicable): rest_{$this->post_type}_trashable
The rest_{$this->post_type}_trashable hook does not accept any arguments or parameters.
Hook Doesn’t Work: rest_{$this->post_type}_trashable
If the rest_{$this->post_type}_trashable hook doesn’t work as expected, it may be due to conflicts with other plugins or themes that modify the trashing behavior of post types. To troubleshoot, developers should deactivate other plugins and switch to a default theme to see if the issue persists.
Best Practices & Usage Notes (if applicable): rest_{$this->post_type}_trashable
When using the rest_{$this->post_type}_trashable hook, developers should be aware of any custom post types they have created and ensure that the hook is implemented specifically for those post types. It is also important to consider the implications of trashing posts, as it may affect the functionality of the website or application.
Usage Example: rest_{$this->post_type}_trashable
“`php
function custom_post_type_trashable( $trashable, $post ) {
if ( ‘custom_post_type’ === $post->post_type ) {
$trashable = false;
}
return $trashable;
}
add_filter( ‘rest_{$this->post_type}_trashable’, ‘custom_post_type_trashable’, 10, 2 );
“`
