What is WordPress Hook: edit_{$post_type}_per_page
The edit_{$post_type}_per_page hook in WordPress is used to modify the number of items displayed per page in the admin panel for a specific post type.
Understanding the Hook: edit_{$post_type}_per_page
This hook allows developers to customize the number of items shown per page for a specific post type in the WordPress admin panel. It is located within the WP_List_Table class, which is responsible for displaying lists of items in the admin panel.
Hook Parameters (if applicable): edit_{$post_type}_per_page
The edit_{$post_type}_per_page hook accepts a single parameter, $per_page, which represents the number of items to display per page for the specific post type.
Hook Doesn’t Work: edit_{$post_type}_per_page
If the edit_{$post_type}_per_page hook doesn’t work as expected, it may be due to incorrect implementation or conflicts with other plugins or themes. To troubleshoot, developers should check for any syntax errors in their code and deactivate other plugins or switch to a default theme to identify any conflicts.
Best Practices & Usage Notes (if applicable): edit_{$post_type}_per_page
When using the edit_{$post_type}_per_page hook, developers should be aware that modifying the number of items displayed per page can impact the performance of the admin panel. It is recommended to only adjust this setting when necessary and to consider the potential impact on usability.
edit_{$post_type}_per_page Usage Example
“`php
function custom_post_type_per_page($per_page, $post_type) {
if ($post_type == ‘books’) {
$per_page = 20; // Display 20 books per page
}
return $per_page;
}
add_filter(‘edit_books_per_page’, ‘custom_post_type_per_page’, 10, 2);
“`