sIsMember, sContains
Description
Checks if value
is a member of the set stored at the key key
.
检查VALUE是否是SET容器中的成员。
Parameters
key value
Return value
BOOL TRUE
if value
is a member of the set at key key
, FALSE
otherwise.
Example
$redis->sAdd('key1' , 'member1'); $redis->sAdd('key1' , 'member2'); $redis->sAdd('key1' , 'member3'); /* 'key1' => {'member1', 'member2', 'member3'}*/ $redis->sIsMember('key1', 'member1'); /* TRUE */ $redis->sIsMember('key1', 'memberX'); /* FALSE */