What is WordPress Hook: pre_site_transient_{$transient}
The pre_site_transient_{$transient} hook is a specific WordPress hook that allows developers to modify the value of a site transient before it is retrieved.
Understanding the Hook: pre_site_transient_{$transient}
The pre_site_transient_{$transient} hook is located within the WordPress process where site transients are retrieved. It provides a way for developers to intercept the value of a transient and modify it before it is returned.
Hook Parameters (if applicable): pre_site_transient_{$transient}
The pre_site_transient_{$transient} hook accepts the $transient parameter, which represents the name of the transient being retrieved. Developers can use this parameter to target specific transients and modify their values as needed.
Hook Doesn’t Work: pre_site_transient_{$transient}
If the pre_site_transient_{$transient} hook doesn’t work as expected, it may be due to incorrect usage or conflicts with other hooks or functions. Developers should ensure that the hook is being used correctly and that there are no conflicting modifications to the transient value elsewhere in the code.
Best Practices & Usage Notes (if applicable): pre_site_transient_{$transient}
When using the pre_site_transient_{$transient} hook, it’s important to consider the potential impact on site performance. Modifying transient values can affect caching and database queries, so developers should use this hook judiciously and consider the overall impact on site speed and efficiency.
Usage Example: pre_site_transient_{$transient}
“`php
function modify_site_transient_value( $value, $transient ) {
// Modify the value of the transient before it is returned
$modified_value = $value . ‘ modified’;
return $modified_value;
}
add_filter( ‘pre_site_transient_{$transient}’, ‘modify_site_transient_value’, 10, 2 );
“`