ibase_free_event_handler — Cancels a registered event handler
说明bool ibase_free_event_handler ( resource $event )
This function causes the registered event handler specified by event to be cancelled. The callback function will no longer be called for the events it was registered to handle.
An event resource, created by ibase_set_event_handler().
成功时返回 TRUE， 或者在失败时返回 FALSE.
- ibase_set_event_handler() - Register a callback function to be called when events are posted