Predis to v2.2.2

plugins/cache-redis/Predis/Command/Argument/Geospatial/AbstractBy.php

@@ -0,0 +1,46 @@
+<?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\Argument\Geospatial;
+
+use UnexpectedValueException;
+
+abstract class AbstractBy implements ByInterface
+{
+    /**
+     * @var string[]
+     */
+    private static $unitEnum = ['m', 'km', 'ft', 'mi'];
+
+    /**
+     * @var string
+     */
+    protected $unit;
+
+    /**
+     * {@inheritDoc}
+     */
+    abstract public function toArray(): array;
+
+    /**
+     * @param  string $unit
+     * @return void
+     */
+    protected function setUnit(string $unit): void
+    {
+        if (!in_array($unit, self::$unitEnum, true)) {
+            throw new UnexpectedValueException('Wrong value given for unit');
+        }
+
+        $this->unit = $unit;
+    }
+}