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<?php

* This file is part of php-cache organization.

* This source file is subject to the MIT license that is bundled

* with this source code in the file LICENSE.

namespace Cache\SessionHandler;

use Psr\SimpleCache\CacheInterface;

/**

* @author Daniel Bannert <d.bannert@anolilab.de>

class Psr16SessionHandler extends AbstractSessionHandler

{

private CacheInterface $cache;

private int $ttl;

private string $prefix;

/**

* @param array{ttl?: int, prefix?: string} $options

* @throws \InvalidArgumentException

public function __construct(CacheInterface $cache, SessionLockInterface $lock, array $options = [])

{

parent::__construct($lock);

$this->cache = $cache;

if ($diff = array_diff(array_keys($options), ['prefix', 'ttl'])) {

throw new \InvalidArgumentException(\sprintf('The following options are not supported "%s"', implode(', ', $diff)));

}

$this->ttl = isset($options['ttl']) ? (int) $options['ttl'] : 86400;

$this->prefix = isset($options['prefix']) ? (string) $options['prefix'] : 'psr16ses_';

}

protected function doUpdateTimestamp(string $sessionId, string $data): bool

{

$value = $this->cache->get($this->prefix.$sessionId);

if (null === $value) {

return false;

}

return $this->cache->set(

$this->prefix.$sessionId,

$value,

$this->ttl

);

}

/**

* @throws \Psr\SimpleCache\InvalidArgumentException

protected function doRead(string $sessionId): string

{

$data = $this->cache->get($this->prefix.$sessionId, '');

return \is_string($data) ? $data : '';

}

protected function doWrite(string $sessionId, string $data): bool

{

return $this->cache->set($this->prefix.$sessionId, $data, $this->ttl);

}

protected function doDestroy(string $sessionId): bool

{

return $this->cache->delete($this->prefix.$sessionId);

}

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Psr16SessionHandler.php

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