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                沒有數據類型的區別,也就是所有數據類型都有這些操作。 如果對key使用set或del命令,那么也會移除expire_time。尤其是set命令,這個在編寫程序的時候需要注意一下。 // exists 檢測是否存在某值 ~~~ $redis->exists('test:foo'); ~~~ // del 刪除 ~~~ $redis->del('test:foo'); ~~~ // expire 設置key-value的時效性,ttl 獲取剩余有效期,persist 重新設置為永久存儲 ~~~ $redis->expire('test:foo', 1); // 設置有效期 $redis->ttl('test:foo'); // 返回有效期值 ~~~ // type 類型檢測。字符串返回string,列表返回list,set表返回set/zset,hash表返回hash ~~~ $redis->type('test:foo'); ~~~ redis 的key,一般使用英文半角冒號(:)作為分隔,如 (test:list:item:one)
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