zsum name score_start score_end

Returns the sum of elements of the sorted set stored at the specified key which have scores in the range [start,end].

Parameters

• name - The name of the zset.
• score_start - The minimum score related to keys(inclusive), empty string means -inf(no limit).
• score_end - The maximum score related to keys(inclusive), empty string means +inf(no limit).

Return Value

Example

All SSDB commands are described by PHP API Doc.