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redis下如何设置set之类的过期时间

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Release： 2016-06-06 20:43:17
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比如说用redis做一个浏览计数器，但访问过的同一个人在30分钟内只计数一次，我打算用set集合实现，把访问id放入集合，30分钟后让这个集合自动过期，但貌似没找到相关语法，大家是怎么做的？或其他的思路？

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比如说用redis做一个浏览计数器，但访问过的同一个人在30分钟内只计数一次，我打算用set集合实现，把访问id放入集合，30分钟后让这个集合自动过期，但貌似没找到相关语法，大家是怎么做的？或其他的思路？

设置key的过期时间
expire

redis下如何设置set之类的过期时间

http://redis.io 搜 expire
英文看不懂？
http://www.cnblogs.com/ikodota/archive/2012/03/05/php_redis_cn.html
搜 expire

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php redis
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