Removes the specified members from the sorted set stored at key. Non existing members are ignored.

An error is returned when key exists and does not hold a sorted set.

@return

@integer-reply, specifically:

• The number of members removed from the sorted set, not including non existing members.

@history

• >= 2.4: Accepts multiple elements. In Redis versions older than 2.4 it was possible to remove a single member per call.

@examples

ZADD myzset 1 "one"
ZADD myzset 2 "two"
ZADD myzset 3 "three"
ZREM myzset "two"
ZRANGE myzset 0 -1 WITHSCORES