/**
* Returns the rank of a given member in the specified sorted set, starting at 0 for the item
* with the smallest score. zRevRank starts at 0 for the item with the largest score.
*
* @param string $key
* @param string $member
*
* @return int the item's score.
* @link http://redis.io/commands/zrank
* @example
* <pre>
* $redis->delete('z');
* $redis->zAdd('key', 1, 'one');
* $redis->zAdd('key', 2, 'two');
* $redis->zRank('key', 'one'); // 0
* $redis->zRank('key', 'two'); // 1
* $redis->zRevRank('key', 'one'); // 1
* $redis->zRevRank('key', 'two'); // 0
* </pre>
*/
public function zRank($key, $member)
{
try {
return $this->client->zRank($key, $member);
} catch (Exception $e) {
return $this->handleException($e, __FUNCTION__, func_get_args());
}
}
/**
* Returns the rank of a given member in the specified sorted set, starting at 0 for the item
* with the smallest score. zRevRank starts at 0 for the item with the largest score.
*
* @param string $key
* @param string $member
*
* @return int the item's score.
* @link http://redis.io/commands/zrank
* @example
* <pre>
* $redis->delete('z');
* $redis->zAdd('key', 1, 'one');
* $redis->zAdd('key', 2, 'two');
* $redis->zRank('key', 'one'); // 0
* $redis->zRank('key', 'two'); // 1
* $redis->zRevRank('key', 'one'); // 1
* $redis->zRevRank('key', 'two'); // 0
* </pre>
*/
public function zRank($key, $member)
{
$this->appendToLog('ZRANK ' . $key . ' ' . $member);
return $this->client->zRank($key, $member);
}
