+ /**
+ * Filter the number of items to be displayed on each page of the list table.
+ *
+ * The dynamic hook name, $option, refers to the per page option depending
+ * on the type of list table in use. Possible values may include:
+ * 'edit_comments_per_page', 'sites_network_per_page', 'site_themes_network_per_page',
+ * 'themes_netework_per_page', 'users_network_per_page', 'edit_{$post_type}', etc.
+ *
+ * @since 2.9.0
+ *
+ * @param int $per_page Number of items to be displayed. Default 20.
+ */