first commit

system/DataCaster/Cast/TimestampCast.php

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+<?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 CodeIgniter\I18n\Time;
+
+/**
+ * Class TimestampCast
+ *
+ * (PHP) [Time --> int       ] --> (DB driver) --> (DB column) int
+ *       [     <-- int|string] <-- (DB driver) <-- (DB column) int
+ */
+class TimestampCast extends BaseCast
+{
+    public static function get(
+        mixed $value,
+        array $params = [],
+        ?object $helper = null
+    ): Time {
+        if (! is_int($value) && ! is_string($value)) {
+            self::invalidTypeValueError($value);
+        }
+
+        return Time::createFromTimestamp((int) $value);
+    }
+
+    public static function set(
+        mixed $value,
+        array $params = [],
+        ?object $helper = null
+    ): int {
+        if (! $value instanceof Time) {
+            self::invalidTypeValueError($value);
+        }
+
+        return $value->getTimestamp();
+    }
+}