Get all Redis keys in a connection

RedisService.php

<?php

namespace App\Services;

use Illuminate\Support\Facades\Redis;

class RedisService
{
    public static function getValues(string $connection)
    {
        $keys = RedisService::getKeys('active_streams_connection');
        
        if($keys){

            // Laravel will serialize everything from mget.
            $result = Redis::connection($connection)->mget($keys);

            $values = array_map('unserialize', $result);

        }else{

            $values = [];
        }

        return $values;
    }

    public static function getKeys(string $connection): array
    {
        $keys = [];

        // Set the cursor to start at 0 (initial value)
        // The first value [0] returned by SCAN is the cursor to use for the next iteration.
        // When redis returns a 0 again for the cursor, it means there are no more keys to return.
        $cursor = '0';

        // Using a custom connection
        $redis = Redis::connection($connection);

        // Use a loop to retrieve all keys from the cache
        do {
            // Match everything. Returns false if no matches.
            $result = $redis->scan($cursor, 'match', '*');

            if($result){

                // Update cursor
                $cursor = $result[0];

                $keys = [...$keys, ...$result[1]];

            }else{
                $cursor = 0;
            }

        } while ($cursor); // when it's zero again, it'll be a loose false.

        return $keys;
    }
}