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backend/vendor/symfony/validator/Constraints/CharsetValidator.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\Component\Validator\Constraints;
+
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+use Symfony\Component\Validator\Exception\UnexpectedValueException;
+
+/**
+ * @author Alexandre Daubois <alex.daubois@gmail.com>
+ */
+final class CharsetValidator extends ConstraintValidator
+{
+    public function validate(mixed $value, Constraint $constraint): void
+    {
+        if (!$constraint instanceof Charset) {
+            throw new UnexpectedTypeException($constraint, Charset::class);
+        }
+
+        if (null === $value) {
+            return;
+        }
+
+        if (!\is_string($value) && !$value instanceof \Stringable) {
+            throw new UnexpectedValueException($value, 'string');
+        }
+
+        if (!\in_array(mb_detect_encoding($value, $constraint->encodings, true), (array) $constraint->encodings, true)) {
+            $this->context->buildViolation($constraint->message)
+                ->setParameter('{{ detected }}', mb_detect_encoding($value, strict: true))
+                ->setParameter('{{ encodings }}', implode(', ', (array) $constraint->encodings))
+                ->setCode(Charset::BAD_ENCODING_ERROR)
+                ->addViolation();
+        }
+    }
+}