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admin/phpMyAdmin/vendor/symfony/cache/Marshaller/DefaultMarshaller.php

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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', $unserializeCallbackHandler);
+        }
+    }
+
+    /**
+     * @internal
+     */
+    public static function handleUnserializeCallback($class)
+    {
+        throw new \DomainException('Class not found: '.$class);
+    }
+}