--- /dev/null
+<?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;
+
+/**
+ * Compresses values using gzdeflate().
+ *
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class DeflateMarshaller implements MarshallerInterface
+{
+ private $marshaller;
+
+ public function __construct(MarshallerInterface $marshaller)
+ {
+ if (!\function_exists('gzdeflate')) {
+ throw new CacheException('The "zlib" PHP extension is not loaded.');
+ }
+
+ $this->marshaller = $marshaller;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function marshall(array $values, ?array &$failed): array
+ {
+ return array_map('gzdeflate', $this->marshaller->marshall($values, $failed));
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function unmarshall(string $value)
+ {
+ if (false !== $inflatedValue = @gzinflate($value)) {
+ $value = $inflatedValue;
+ }
+
+ return $this->marshaller->unmarshall($value);
+ }
+}