What is WordPress Hook: pre_category_description
The pre_category_description hook in WordPress is used to modify the category description before it is displayed on the category archive page. This hook allows developers to alter the category description content dynamically before it is rendered on the front end.
Understanding the Hook: pre_category_description
The pre_category_description hook is located within the get_term_field() function in WordPress. This function is responsible for retrieving the value of a specific field from a term.
Hook Parameters (if applicable): pre_category_description
The pre_category_description hook does not accept any parameters. It simply allows developers to modify the category description content before it is displayed.
Hook Doesn’t Work: pre_category_description
If the pre_category_description hook doesn’t work as expected, it could be due to incorrect implementation or conflicts with other functions or plugins. 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): pre_category_description
When using the pre_category_description hook, developers should be mindful of the potential impact on performance, as modifying the category description content dynamically can add processing overhead. It is also important to consider the user experience and ensure that any modifications made to the category description enhance the overall presentation of the category archive page.
pre_category_description Usage Example: pre_category_description
“`php
function custom_category_description( $description, $category_id ) {
// Modify the category description here
return $description;
}
add_filter( ‘pre_category_description’, ‘custom_category_description’, 10, 2 );
“`
