wp_unschedule_hook ( $hook )
- (string) hook Action hook, the execution of which will be unscheduled.
Defined at:Change Log:
- (int|bool) On success an integer indicating number of events unscheduled (0 indicates no events were registered on the hook), false if unscheduling fails.
- Introduced in WordPress: 4.9.0
- Deprecated in WordPress: —
Unschedules all events attached to the hook.Can be useful for plugins when deactivating to clean up the cron queue.
Warning: This function may return Boolean FALSE, but may also return a non-Boolean
value which evaluates to FALSE. For information about casting to booleans see the
[PHP documentation](https://www.php.net/manual/en/language.types.boolean.php). Use
the `===` operator for testing the return value of this function.