IQParts\Cache\Adapter\MemoryAdapter

Complexity

Total Complexity

12

Size/Duplication

Total Lines	81
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	delete()	0	3	1
A	get()	0	16	4
A	ttl()	0	6	2
A	set()	0	5	2
A	keys()	0	9	3

<?php
declare(strict_types=1);

namespace IQParts\Cache\Adapter;

final class MemoryAdapter implements CacheAdapterInterface
{
    /**
     * @var array
     */
    private $data = [];
    /**
     * @var array
     */
    private $timeToLive = [];

    /**
     * @param string $key
     * @return mixed
     */
    public function get(string $key)
    {
        if (!isset($this->data[$key])) {
            return null;
        }

        if (!isset($this->timeToLive[$key])) {
            return $this->data[$key];
        }

        if ($this->ttl($key) > 0) {
            return $this->data[$key];
        }

        unset($this->timeToLive[$key], $this->data[$key]);
        return null;
    }

    /**
     * @param string $key
     * @param $value
     * @param int|null $ttl
     * @return void
     */
    public function set(string $key, $value, int $ttl = null): void
    {
        $this->data[$key] = $value;
        if ($ttl !== null) {
            $this->timeToLive[$key] = time() + $ttl;
        }
    }

    /**
     * @param string $key
     * @return void
     */
    public function delete(string $key): void
    {
        unset($this->data[$key], $this->timeToLive[$key]);
    }

    /**
     * @param string $key
     * @return mixed
     */
    public function keys($key = '*')
    {
        $matches = [];
        foreach ($this->data as $name => $value) {
            if (fnmatch($key, $name)) {
                $matches[] = $name;
            }
        }
        return $matches;
    }

    /**
     * @param $key
     * @return int
     */
    public function ttl($key): int
    {
        if (isset($this->timeToLive[$key])) {
            return max($this->timeToLive[$key] - time(), 0);
        }
        return self::NO_TTL;
    }
}