<?php

class DataTransferRegistry
{
    private bool $allowed;
    private array $entries;

    public function __construct(bool $allowed, array $entries = [])
    {
        $this->allowed = $allowed;
        $this->entries = $entries;
    }

    public function isAllowed(string $vendorId, string $messageId = ''): bool
    {
        if (!$this->allowed) {
            return false;
        }
        if (empty($this->entries)) {
            return true;
        }
        foreach ($this->entries as $entry) {
            if (($entry['vendorId'] ?? '') === $vendorId && (($entry['messageId'] ?? '') === '' || ($entry['messageId'] ?? '') === $messageId)) {
                return true;
            }
        }
        return false;
    }
}

?>