What is WordPress Hook: pre_set_site_transient_{$transient}
The pre_set_site_transient_{$transient} hook is a specific WordPress hook that allows developers to modify the value of a site transient before it is set.
Understanding the Hook: pre_set_site_transient_{$transient}
The pre_set_site_transient_{$transient} hook is located within the set_site_transient function in WordPress. This function is responsible for setting the value of a site transient, which is a temporary data storage mechanism used to store data that takes a long time to compute.
Hook Parameters (if applicable): pre_set_site_transient_{$transient}
The pre_set_site_transient_{$transient} hook accepts the $transient parameter, which represents the name of the transient. Developers can use this parameter to target specific site transients for modification.
Hook Doesn’t Work: pre_set_site_transient_{$transient}
If the pre_set_site_transient_{$transient} hook doesn’t work as expected, it may be due to incorrect usage or conflicts with other functions or plugins. Developers should ensure that the hook is properly implemented and that there are no conflicting modifications to the site transient value.
Best Practices & Usage Notes (if applicable): pre_set_site_transient_{$transient}
When using the pre_set_site_transient_{$transient} hook, developers should be mindful of the potential impact on site performance, as modifying site transients can affect caching and data retrieval. It is recommended to use this hook sparingly and only when necessary to avoid unnecessary overhead.
Usage Example: pre_set_site_transient_{$transient}
“`php
function modify_site_transient_value( $value, $transient ) {
// Modify the value of the site transient before it is set
$modified_value = $value . ‘ modified’;
return $modified_value;
}
add_filter( ‘pre_set_site_transient_{$transient}’, ‘modify_site_transient_value’, 10, 2 );
“`
