SDK Form demonstrator

lib/symfony/polyfill-intl-icu/DateFormat/YearTransformer.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Polyfill\Intl\Icu\DateFormat;
+
+/**
+ * Parser and formatter for year format.
+ *
+ * @author Igor Wiedler <igor@wiedler.ch>
+ *
+ * @internal
+ */
+class YearTransformer extends Transformer
+{
+    public function format(\DateTime $dateTime, int $length): string
+    {
+        if (2 === $length) {
+            return $dateTime->format('y');
+        }
+
+        return $this->padLeft($dateTime->format('Y'), $length);
+    }
+
+    public function getReverseMatchingRegExp(int $length): string
+    {
+        return 2 === $length ? '\d{2}' : '\d{1,4}';
+    }
+
+    public function extractDateOptions(string $matched, int $length): array
+    {
+        return [
+            'year' => (int) $matched,
+        ];
+    }
+}