HyperLog method

Method name Parameter Description Notes
pfAdd $key, $elements Add the specified element to the HyperLogLog. Pass in an indexed array
pfCount $key Returns the cardinality estimate for a given HyperLogLog.
pfMerge $deStKey, array $sourceKeys Combine multiple HyperLogLogs into one HyperLogLog Pass in an indexed array

Instance


go(function () {
    $redis = new \EasySwoole\Redis\Redis(new \EasySwoole\Redis\Config\RedisConfig([
        'host'      => '127.0.0.1',
        'port'      => '6379',
        'auth'      => 'easyswoole',
        'serialize' => \EasySwoole\Redis\Config\RedisConfig::SERIALIZE_NONE
    ]));;

    $key = [
        'hp1',
        'hp2',
        'hp3',
        'hp4',
        'hp5',
    ];
    $redis->del($key[0]);
    $redis->del($key[1]);
    $data = $redis->pfAdd($key[0], [1, 2, 2, 3, 3]);
    var_dump($data);

    $redis->pfAdd($key[1], [1, 2, 2, 3, 3]);
    $data = $redis->pfCount([$key[0], $key[1]]);
    var_dump($data);

    $data = $redis->pfMerge($key[2], [$key[0], $key[1]]);
    var_dump($data);
});