[李景山php]每天laravel-20160902|Dispatcher-2

/**
     * Register an event listener with the dispatcher.
     *
     * @param  string|array  $events
     * @param  mixed  $listener
     * @param  int  $priority
     * @return void
     */
    public function listen($events, $listener, $priority = 0)
    {// Register an event listener use dispathcer
        foreach ((array) $events as $event) {// loop this events as event
            if (Str::contains($event, '*')) {// determine this string is has this * char
                $this->setupWildcardListen($event, $listener);// if has this *, setup the wildcard listen
            } else {// ele
                $this->listeners[$event][$priority][] = $this->makeListener($listener);// make listener to event
                // this listener
                unset($this->sorted[$event]); // unset event
            }
        }
    }