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php浏览历史记录

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Release: 2016-05-25 17:12:48
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	/**
	 * 商品历史浏览记录
	 * $data 商品记录信息
	 */
	private function _history($data)
	{
		if(!$data || !is_array($data))
		{
			return false;
		}
		
		//判断cookie类里面是否有浏览记录
	    if($this->_request->getCookie('history'))
	    {
			$history = unserialize($this->_request->getCookie('history'));
			array_unshift($history, $data); //在浏览记录顶部加入

			/* 去除重复记录 */
			$rows = array();
			foreach ($history as $v)
			{
				if(in_array($v, $rows))
				{
					continue;
				}
				$rows[] = $v;
			}

			/* 如果记录数量多余5则去除 */
    	    while (count($rows) > 5)
		    {
		        array_pop($rows); //弹出
		    }

    		setcookie('history',serialize($rows),time() + 3600 * 24 * 30,'/');
    	}
    	else
    	{
    		$history = serialize(array($data));

    		setcookie('history',$history,time() + 3600 * 24 * 30,'/');
    	}
	}
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