for testing and deploying your application
for finding and fixing issues
for empowering human code reviews
<?php
declare(strict_types=1);
namespace RateLimit;
use Redis;
final class RedisRateLimiter extends AbstractTTLRateLimiter
{
/** @var Redis */
private $redis;
public function __construct(Redis $predis, string $keyPrefix = '')
if (!\extension_loaded('redis')) {
throw new \RuntimeException('Redis extension is not loaded.');
}
parent::__construct($keyPrefix);
$this->redis = $predis;
protected function getCurrent(string $key): int
return (int) $this->redis->get($key);
protected function updateCounter(string $key, int $interval): int
$current = $this->redis->incr($key);
if ($current === 1) {
$this->redis->expire($key, $interval);
return $current;
protected function ttl(string $key): int
return max((int) ceil($this->redis->pttl($key) / 1000), 0);
nikolaposa /
rate-limit
