What is WordPress Hook: get_terms
The get_terms hook in WordPress is used to retrieve the terms in a given taxonomy or list of taxonomies. It allows developers to modify the terms that are returned from the database before they are parsed and returned to the user.
Understanding the Hook: get_terms
The get_terms hook is located within the get_terms() function in WordPress. This function is used to retrieve the terms for a taxonomy. The hook is placed right before the terms are returned, allowing developers to modify the terms as needed.
Hook Parameters (if applicable): get_terms
The get_terms hook accepts a few parameters, including $terms, $taxonomies, and $args. $terms is an array of terms for the given taxonomy, $taxonomies is an array of taxonomies, and $args is an array of arguments used to retrieve the terms.
Hook Doesn’t Work: get_terms
If the get_terms hook doesn’t work as expected, it could be due to incorrect usage of the hook or conflicts with other functions or plugins. To troubleshoot, developers should check for any errors in their code and ensure that the hook is being used in the correct location within the WordPress process.
Best Practices & Usage Notes (if applicable): get_terms
When using the get_terms hook, developers should be mindful of the potential impact on performance, as modifying the terms can affect the speed at which the page loads. It’s also important to consider the implications of modifying the terms, as this could impact the user experience and functionality of the website.
Usage Example: get_terms
“`php
function custom_get_terms( $terms, $taxonomies, $args ) {
// Modify the terms here
return $terms;
}
add_filter( ‘get_terms’, ‘custom_get_terms’, 10, 3 );
“`
