ZINTERCARDReturn the cardinality of the intersection of the given sorted sets.
| 语法 | ZINTERCARD numkeys key [key ...] [LIMIT limit] |
| 分组 | zset |
| 参数个数 | -3 |
| 起始版本 | 1.0.0 |
| 标志 | readonly |
| 复杂度 | O(sum of the source cardinalities) — LIMIT does not short-circuit the gather, only the combine |
| Redis 兼容性 | full |