Predis to v2.2.2

plugins/cache-redis/Predis/Command/Traits/Weights.php

@@ -0,0 +1,61 @@
+<?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\Traits;
+
+use Predis\Command\Command;
+use UnexpectedValueException;
+
+/**
+ * @mixin Command
+ */
+trait Weights
+{
+    /**
+     * @var string
+     */
+    private static $weightsModifier = 'WEIGHTS';
+
+    public function setArguments(array $arguments)
+    {
+        $argumentsLength = count($arguments);
+
+        if (static::$weightsArgumentPositionOffset >= $argumentsLength) {
+            parent::setArguments($arguments);
+
+            return;
+        }
+
+        if (!is_array($arguments[static::$weightsArgumentPositionOffset])) {
+            throw new UnexpectedValueException('Wrong weights argument type');
+        }
+
+        $weightsArray = $arguments[static::$weightsArgumentPositionOffset];
+
+        if (empty($weightsArray)) {
+            unset($arguments[static::$weightsArgumentPositionOffset]);
+            parent::setArguments($arguments);
+
+            return;
+        }
+
+        $argumentsBefore = array_slice($arguments, 0, static::$weightsArgumentPositionOffset);
+        $argumentsAfter = array_slice($arguments, static::$weightsArgumentPositionOffset + 1);
+
+        parent::setArguments(array_merge(
+            $argumentsBefore,
+            [self::$weightsModifier],
+            $weightsArray,
+            $argumentsAfter
+        ));
+    }
+}