first commit

system/DataCaster/Cast/BaseCast.php

@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\DataCaster\Cast;
+
+use InvalidArgumentException;
+
+abstract class BaseCast implements CastInterface
+{
+    public static function get(
+        mixed $value,
+        array $params = [],
+        ?object $helper = null
+    ): mixed {
+        return $value;
+    }
+
+    public static function set(
+        mixed $value,
+        array $params = [],
+        ?object $helper = null
+    ): mixed {
+        return $value;
+    }
+
+    protected static function invalidTypeValueError(mixed $value): never
+    {
+        $message = '[' . static::class . '] Invalid value type: ' . get_debug_type($value);
+        if (is_scalar($value)) {
+            $message .= ', and its value: ' . var_export($value, true);
+        }
+
+        throw new InvalidArgumentException($message);
+    }
+}