What is WordPress Hook: deleted_transient
The deleted_transient hook is a specific WordPress hook that is triggered after a transient is deleted from the database. Transients are temporary pieces of data that are stored in the database with a specified expiration time.
Understanding the Hook: deleted_transient
The deleted_transient hook is located within the delete_transient() function in WordPress. This function is responsible for deleting a transient from the database. When this function is called and a transient is successfully deleted, the deleted_transient hook is triggered.
Hook Parameters (if applicable): deleted_transient
The deleted_transient hook does not accept any arguments or parameters. It is a simple action hook that is triggered when a transient is deleted from the database.
Hook Doesn’t Work: deleted_transient
If the deleted_transient hook doesn’t seem to be working, it could be due to a few reasons. Firstly, it’s important to ensure that the delete_transient() function is being called correctly. Additionally, if the transient being deleted does not exist in the database, the hook will not be triggered. It’s also important to check for any conflicts with other plugins or themes that may be affecting the functionality of the hook.
Best Practices & Usage Notes (if applicable): deleted_transient
When using the deleted_transient hook, it’s important to keep in mind that it is specifically related to the deletion of transients from the database. This hook can be useful for performing additional actions or cleanup tasks after a transient has been deleted. However, it’s important to note that this hook is not suitable for modifying the behavior of the delete_transient() function itself.
Usage Example: deleted_transient
“`php
function custom_cleanup_after_transient_deletion( $transient_name ) {
// Perform custom cleanup tasks after a transient is deleted
}
add_action( ‘deleted_transient’, ‘custom_cleanup_after_transient_deletion’ );
“`
In this example, a custom function is hooked to the deleted_transient action. When a transient is deleted from the database, the custom_cleanup_after_transient_deletion function will be called, allowing for additional cleanup tasks to be performed.