/**
* Returns the number of elements of the sorted set stored at the specified key which have
* scores in the range [start,end]. Adding a parenthesis before start or end excludes it
* from the range. +inf and -inf are also valid limits.
*
* @param string $key
* @param string $start
* @param string $end
*
* @return int the size of a corresponding zRangeByScore.
* @link http://redis.io/commands/zcount
* @example
* <pre>
* $redis->zAdd('key', 0, 'val0');
* $redis->zAdd('key', 2, 'val2');
* $redis->zAdd('key', 10, 'val10');
* $redis->zCount('key', 0, 3); // 2, corresponding to array('val0', 'val2')
* </pre>
*/
public function zCount($key, $start, $end)
{
try {
return $this->client->zCount($key, $start, $end);
} catch (Exception $e) {
return $this->handleException($e, __FUNCTION__, func_get_args());
}
}
/**
* Returns the number of elements of the sorted set stored at the specified key which have
* scores in the range [start,end]. Adding a parenthesis before start or end excludes it
* from the range. +inf and -inf are also valid limits.
*
* @param string $key
* @param string $start
* @param string $end
*
* @return int the size of a corresponding zRangeByScore.
* @link http://redis.io/commands/zcount
* @example
* <pre>
* $redis->zAdd('key', 0, 'val0');
* $redis->zAdd('key', 2, 'val2');
* $redis->zAdd('key', 10, 'val10');
* $redis->zCount('key', 0, 3); // 2, corresponding to array('val0', 'val2')
* </pre>
*/
public function zCount($key, $start, $end)
{
$this->appendToLog('ZCOUNT ' . $key . ' ' . $start . ' ' . $end);
return $this->client->zCount($key, $start, $end);
}
