EventBase::free
  (PECL event >= 1.10.0)
EventBase::free — Free resources allocated for this event base
  
 
  说明
  
   public
   EventBase::free(): void
  
  警告
   
    The
    EventBase::free()
    method doesn't destruct the object itself. To destruct the
    object completely call
    unset()
    , or assign null.
   
   
    This method does not deallocate or detach any of the events that are
    currently associated with the EventBase object, or
    close any of their sockets - beware.