每天laravel-20160706|KeyForgotten

<?php

namespace Illuminate\Cache\Events;

class KeyForgotten
{
/**
* The key that was forgotten.
*
* @var string
*/
public $key;// a key

/**
* The tags that were assigned to the key.
*
* @var array
*/
public $tags;// a tags

/**
* Create a new event instance.
*
* @param  string  $key
* @param  array  $tags
* @return void
*/
public function __construct($key, $tags = [])
{
$this->key = $key;
$this->tags = $tags;
}// set key and tag to forgotten
}