(PECL event >= 1.2.6-beta)
Event::setTimer — Re-configures timer event
   Re-configures timer event. Note, this function doesn't invoke obsolete
   libevent's
   event_set
   . It calls
   event_assign
   instead.
  
base
    The event base to associate with.
cb
    The timer event callback. See Event callbacks .
arg
    Custom data. If specified, it will be passed to the callback when event triggers.
   Returns true on success or false on failure.