Predis to v2.2.2

plugins/cache-redis/Predis/Cluster/Hash/PhpiredisCRC16.php

@@ -0,0 +1,42 @@
+<?php
+
+/*
+ * This file is part of the Predis package.
+ *
+ * (c) 2009-2020 Daniele Alessandri
+ * (c) 2021-2023 Till Krüss
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Predis\Cluster\Hash;
+
+use Predis\NotSupportedException;
+
+/**
+ * Hash generator implementing the CRC-CCITT-16 algorithm used by redis-cluster.
+ *
+ * @deprecated 2.1.2
+ */
+class PhpiredisCRC16 implements HashGeneratorInterface
+{
+    public function __construct()
+    {
+        if (!function_exists('phpiredis_utils_crc16')) {
+            // @codeCoverageIgnoreStart
+            throw new NotSupportedException(
+                'This hash generator requires a compatible version of ext-phpiredis'
+            );
+            // @codeCoverageIgnoreEnd
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hash($value)
+    {
+        return phpiredis_utils_crc16($value);
+    }
+}