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                ~~~ /*Hash,表結構,創建更新同操作*/ $redis->hset('key','field','value');//增,改,將哈希表key中的域field的值設為value,不存在創建,存在就覆蓋【1 | 0】 $redis->hget('key','field');//查,取值【value|false】 $arr = array('one'=>1,2,3,'name'=>'tom',4);$arr2 = array('one',0,1,'name',2); $redis->hMset('key',$arr);//增,改,設置多值$arr為(索引|關聯)數組,$arr[key]=field, [ true ] $redis->hMget('key',$arr2);//查,獲取指定下標的field,[$arr | false] ["one"=>1,0=>2,1=>3,"name"=>"tom",2=>4] $redis->hGetAll('key');//查,返回哈希表key中的所有域和值。[當key不存在時,返回一個空表] $redis->hKeys('key');//查,返回哈希表key中的所有域。[當key不存在時,返回一個空表] $redis->hVals('key');//查,返回哈希表key中的所有值。[當key不存在時,返回一個空表] $redis->hDel('key',$arr2);//刪,刪除指定下標的field,不存在的域將被忽略,[num | false] ~~~ ~~~ $redis->hExists('key','field');//查看hash中是否存在field,[1 | 0] $redis->hIncrBy('key','field',$int_num);//為哈希表key中的域field的值加上量(+|-)num,[new_num | false] $redis->hLen('key');//返回哈希表key中域的數量。[ num | 0] ~~~ ? //hIncrByFloat(key field increment) - 為哈希表key中的域field加上浮點數增量increment ? $redis->hIncrByFloat('h','x', 1.5); //1.5 ? $redis->hIncrByFloat('h', 'x', 1.5); //3.0 ? //hSetNx(hash field value);-當且僅當第二個參數-\[域:field\]未存在于哈希表的情況下,將它的值設置為value,第一個參數hash不存在時新建 返回boolean ? $redis->hSetNx('h', 'key1', 'hello'); ? hScan(key,cursor \[,MATCH pattern\] \[,COUNT count\]);// 迭代hash鍵 用法和作用同scan ? hStrLen(key field);// 返回哈希表key中,與給定域field相關聯的值的字符串長度 返回number 0表示key或者field不存在
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