chadicus / marvel-api-client

src/Cache/ArrayCache.php

<?php

namespace Chadicus\Marvel\Api\Cache;

use Psr\Http\Message\RequestInterface;
use Psr\Http\Message\ResponseInterface;
use Zend\Diactoros\Request;
use Zend\Diactoros\Response;
use DominionEnterprises\Util\Arrays;

/**
 * Concrete implementation of Cache using an array.
 */
final class ArrayCache extends AbstractCache implements CacheInterface
{
    /**
     * Array containing the cached responses.
     *
     * @var array
     */
    private $cache;

    /**
     * Construct a new instance of ArrayCache.
     *
     * @param integer $defaultTimeToLive The default time to live in seconds.
     *
     * @throws \InvalidArgumentException Throw if $defaultTimeToLive is not an integer between 0 and 86400.
     */
    public function __construct(int $defaultTimeToLive = CacheInterface::MAX_TTL)

Unknown type hint "int" found for $defaultTimeToLive

    {
        $this->setDefaultTTL($defaultTimeToLive);
        $this->cache = [];
    }

    /**
     * Store the api $response as the cached result of the api $request.
     *
     * @param RequestInterface  $request    The request for which the response will be cached.
     * @param ResponseInterface $response   The reponse to cache.
     * @param integer           $timeToLive The time in seconds that the cache should live.
     *
     * @return void
     *
     * @throws \InvalidArgumentException Throw if $timeToLive is not an integer between 0 and 86400.
     */
    public function set(RequestInterface $request, ResponseInterface $response, int $timeToLive = null)

Unknown type hint "int" found for $timeToLive

    {
        $timeToLive = self::ensureTTL($timeToLive ?: $this->getDefaultTTL());

        $this->cache[(string)$request->getUri()] = ['response' => $response, 'expires' => time() + $timeToLive];
    }

    /**
     * Retrieve the cached results of the api $request.
     *
     * @param RequestInterface $request A request for which the response may be cached.
     *
     * @return ResponseInterface|null
     */
    public function get(RequestInterface $request)
    {
        $id = (string)$request->getUri();
        $cache = Arrays::get($this->cache, $id);
        if ($cache === null) {
            return null;
        }

        if ($cache['expires'] >= time()) {
            return $cache['response'];
        }

        unset($this->cache[$id]);
        return null;
    }

    /**
     * Clears this cache.
     *
     * @return void
     */
    public function clear()
    {
        $this->cache = [];
    }
}