apply_filters( 'sensei_quiz_cache_key_lesson_id', $lesson_id ) → {int}
Filter the lesson ID that keys a user's cached quiz data.
The cached answers, grades, and feedback build their keys through this filter, on reads, writes, and invalidations.
Parameters:
| Name | Type | Description |
|---|---|---|
$lesson_id |
int | Lesson ID. |
- Since:
- $$next-version$$
- Source:
Returns:
Lesson ID to key the cache by.
- Type
- int