What is WordPress Hook: display_post_states
The display_post_states hook is a specific WordPress hook that allows developers to modify the display of post states in the post list table. This can be useful for adding custom post states based on specific criteria or conditions.
Understanding the Hook: display_post_states
The display_post_states hook is located within the WP_Post_List_Table class in the wp-admin/includes/class-wp-list-table.php file. It is called within the single_row() method, which is responsible for generating the HTML for a single row in the post list table.
Hook Parameters (if applicable): display_post_states
The display_post_states hook does not accept any arguments or parameters.
Hook Doesn’t Work: display_post_states
If the display_post_states hook doesn’t work as expected, it could be due to a conflict with another plugin or theme that is also modifying the post states. It’s recommended to deactivate other plugins and switch to a default theme to troubleshoot the issue.
Best Practices & Usage Notes (if applicable): display_post_states
When using the display_post_states hook, it’s important to consider the impact on the user interface and user experience. Adding too many custom post states can clutter the post list table and make it difficult for users to quickly identify the status of each post.
Usage Example: display_post_states
“`php
function custom_display_post_states( $post_states, $post ) {
if ( $post->post_type === ‘product’ ) {
$post_states[‘featured’] = ‘Featured’;
}
return $post_states;
}
add_filter( ‘display_post_states’, ‘custom_display_post_states’, 10, 2 );
“`