[李景山php]每天laravel-20160906|Dispatcher-6

/**
     * Broadcast the given event class.
     *
     * @param  \Illuminate\Contracts\Broadcasting\ShouldBroadcast  $event
     * @return void
     */protectedfunctionbroadcastEvent($event)
    {// why use this function name is broadcast// event class means event instanceif ($this->queueResolver) {// use this queueResolver function$connection = $eventinstanceof ShouldBroadcastNow ? 'sync' : null;// determine this instance about$queue = method_exists($event, 'onQueue') ? $event->onQueue() : null;// determine method_exits$this->resolveQueue()->connection($connection)->pushOn($queue, 'Illuminate\Broadcasting\BroadcastEvent', [
                'event' => serialize(clone$event),
            ]);// good look bad use ,maybe
        }
    }

    /**
     * Get all of the listeners for a given event name.
     *
     * @param  string  $eventName
     * @return array
     */publicfunctiongetListeners($eventName)
    {// Get all of the listeners for a given event name.$wildcards = $this->getWildcardListeners($eventName);// get the wild card by eventsName use this function ,that name is cardlisters// first use eventNameif (! isset($this->sorted[$eventName])) {
            $this->sortListeners($eventName);// use this sort Listeners
        }// if isset eventsName never be sort ,return array_merge($this->sorted[$eventName], $wildcards);// array_merge
    }

    /**
     * Get the wildcard listeners for the event.
     *
     * @param  string  $eventName
     * @return array
     */protectedfunctiongetWildcardListeners($eventName)
    {$wildcards = [];// getWildcardListeners() set the listenerforeach ($this->wildcards as$key => $listeners) {// foreach $this->wildcards as keyif (Str::is($key, $eventName)) {// determine is a str$wildcards = array_merge($wildcards, $listeners); // get the array_merge
            }
        }

        return$wildcards;
    }
// first get listener,second get the wildcard listener

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