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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Cache\Marshaller;
use Symfony\Component\Cache\Exception\CacheException;
/**
* Serializes/unserializes values using igbinary_serialize() if available, serialize() otherwise.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class DefaultMarshaller implements MarshallerInterface
{
private $useIgbinarySerialize = true;
public function __construct(bool $useIgbinarySerialize = null)
{
if (null === $useIgbinarySerialize) {
$useIgbinarySerialize = \extension_loaded('igbinary') && (\PHP_VERSION_ID < 70400 || version_compare('3.1.6', phpversion('igbinary'), '<='));
} elseif ($useIgbinarySerialize && (!\extension_loaded('igbinary') || (\PHP_VERSION_ID >= 70400 && version_compare('3.1.6', phpversion('igbinary'), '>')))) {
throw new CacheException(\extension_loaded('igbinary') && \PHP_VERSION_ID >= 70400 ? 'Please upgrade the "igbinary" PHP extension to v3.1.6 or higher.' : 'The "igbinary" PHP extension is not loaded.');
}
$this->useIgbinarySerialize = $useIgbinarySerialize;
}
/**
* {@inheritdoc}
*/
public function marshall(array $values, ?array &$failed): array
{
$serialized = $failed = [];
foreach ($values as $id => $value) {
try {
if ($this->useIgbinarySerialize) {
$serialized[$id] = igbinary_serialize($value);
} else {
$serialized[$id] = serialize($value);
}
} catch (\Exception $e) {
$failed[] = $id;
}
}
return $serialized;
}
/**
* {@inheritdoc}
*/
public function unmarshall(string $value)
{
if ('b:0;' === $value) {
return false;
}
if ('N;' === $value) {
return null;
}
static $igbinaryNull;
if ($value === ($igbinaryNull ?? $igbinaryNull = \extension_loaded('igbinary') ? igbinary_serialize(null) : false)) {
return null;
}
$unserializeCallbackHandler = ini_set('unserialize_callback_func', __CLASS__.'::handleUnserializeCallback');
try {
if (':' === ($value[1] ?? ':')) {
if (false !== $value = unserialize($value)) {
return $value;
}
} elseif (false === $igbinaryNull) {
throw new \RuntimeException('Failed to unserialize values, did you forget to install the "igbinary" extension?');
} elseif (null !== $value = igbinary_unserialize($value)) {
return $value;
}
throw new \DomainException(error_get_last() ? error_get_last()['message'] : 'Failed to unserialize values.');
} catch (\Error $e) {
throw new \ErrorException($e->getMessage(), $e->getCode(), \E_ERROR, $e->getFile(), $e->getLine());
} finally {
ini_set('unserialize_callback_func', $unserializeCallbackHandler);
}
}
/**
* @internal
*/
public static function handleUnserializeCallback(string $class)
{
throw new \DomainException('Class not found: '.$class);
}
}