Predis to v2.2.2

plugins/cache-redis/Predis/Command/Redis/Search/FTALTER.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\Command\Redis\Search;
+
+use Predis\Command\Argument\Search\SchemaFields\FieldInterface;
+use Predis\Command\Command as RedisCommand;
+
+class FTALTER extends RedisCommand
+{
+    public function getId()
+    {
+        return 'FT.ALTER';
+    }
+
+    public function setArguments(array $arguments)
+    {
+        [$index, $schema] = $arguments;
+        $commandArguments = (!empty($arguments[2])) ? $arguments[2]->toArray() : [];
+
+        $schema = array_reduce($schema, static function (array $carry, FieldInterface $field) {
+            return array_merge($carry, $field->toArray());
+        }, []);
+
+        array_unshift($schema, 'SCHEMA', 'ADD');
+
+        parent::setArguments(array_merge(
+            [$index],
+            $commandArguments,
+            $schema
+        ));
+    }
+}