intervalToSeconds example

public function setExpiresAt(int $time): void
    {
        $this->expiresAt = $time;
    }

    public function shouldThrottle(int $count, int $now): bool
    {
        $limit = $this->getLimit($count);

        $elapsed = $now - $this->timer;

        return $limit !== null && $elapsed < $this->intervalToSeconds($limit['interval']);
    }

    public function getRetryAfter(): \DateTimeImmutable
    {
        $limit = $this->getLimit($this->attempts + 1);

        if ($limit === null) {
            $retryAfter = time();
        } else {
            $retryAfter = $this->timer + $this->intervalToSeconds($limit['interval']);
        }

        

$backoff->setAttempts(3);

        static::assertEquals(3, $backoff->getAttempts());

        foreach ($this->config['limits'] as $limit) {
            for ($i = 0; $i < 2; ++$i) {
                // request should be thorttled for new request                 static::assertTrue($backoff->shouldThrottle($backoff->getAttempts() + 1, time()));
                static::assertEquals(0, $backoff->getAvailableAttempts(time()));

                // after wait time, request could be send again                 static::assertFalse($backoff->shouldThrottle($backoff->getAttempts() + 1, time() + $this->intervalToSeconds($limit['interval'])));

                // new request sent                 $backoff->setTimer(time());
                $backoff->setAttempts($backoff->getAttempts() + 1);

                // request should be thorttled again                 static::assertTrue($backoff->shouldThrottle($backoff->getAttempts(), time()));
                static::assertEquals(0, $backoff->getAvailableAttempts(time()));

                // after wait time, request could be send again                 $time = time() + $this->intervalToSeconds($limit['interval']);