What is WordPress Hook: edit_{$taxonomy}_per_page
The edit_{$taxonomy}_per_page hook in WordPress is used to modify the number of items displayed per page in the admin list table for a specific taxonomy.
Understanding the Hook: edit_{$taxonomy}_per_page
The edit_{$taxonomy}_per_page hook is located within the WP_Term_Query class in the WordPress core. It allows developers to customize the number of items displayed per page for a specific taxonomy in the admin panel.
Hook Parameters (if applicable): edit_{$taxonomy}_per_page
The edit_{$taxonomy}_per_page hook accepts two parameters: $per_page and $taxonomy. The $per_page parameter is used to set the number of items displayed per page, while the $taxonomy parameter specifies the taxonomy for which the modification applies.
Hook Doesn’t Work: edit_{$taxonomy}_per_page
If the edit_{$taxonomy}_per_page hook doesn’t work as expected, it may be due to incorrect implementation or conflicts with other plugins or themes. To troubleshoot, developers should check for any syntax errors in their code and ensure that the hook is being added in the appropriate location.
Best Practices & Usage Notes (if applicable): edit_{$taxonomy}_per_page
When using the edit_{$taxonomy}_per_page hook, developers should be mindful of the potential impact on performance, especially when modifying the number of items displayed per page for large taxonomies. It is recommended to thoroughly test any changes and consider the user experience implications of displaying a large number of items per page.
Usage Example: edit_{$taxonomy}_per_page
“`php
function custom_taxonomy_per_page( $per_page, $taxonomy ) {
if ( ‘product_category’ === $taxonomy ) {
$per_page = 20; // Set the number of items displayed per page for the ‘product_category’ taxonomy to 20
}
return $per_page;
}
add_filter( ‘edit_product_category_per_page’, ‘custom_taxonomy_per_page’, 10, 2 );
“`
