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2019独角兽企业重金招聘Python工程师标准>>>

 public static function addRecentlyViewed($goodsId)
    {
   if (!empty($_COOKIE['history']))
{
 $history = explode(',', $_COOKIE['history']);

 array_unshift($history, $goodsId);
 $history = array_unique($history);

 while (count($history) > self::$_history_num)
 {
   array_pop($history);
 }

 setcookie('history', implode(',', $history), time() + 3600 * 24 * 30);
}
else
{
 setcookie('history', $goodsId, time() + 3600 * 24 * 30);
}
 }

转载于:https://my.oschina.net/ailingling/blog/220975