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[yaffs-website] / vendor / symfony / validator / Constraints / DateValidator.php
diff --git a/vendor/symfony/validator/Constraints/DateValidator.php b/vendor/symfony/validator/Constraints/DateValidator.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\Context\ExecutionContextInterface;
+use Symfony\Component\Validator\Constraint;
+use Symfony\Component\Validator\ConstraintValidator;
+use Symfony\Component\Validator\Exception\UnexpectedTypeException;
+
+/**
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class DateValidator extends ConstraintValidator
+{
+    const PATTERN = '/^(\d{4})-(\d{2})-(\d{2})$/';
+
+    /**
+     * Checks whether a date is valid.
+     *
+     * @param int $year  The year
+     * @param int $month The month
+     * @param int $day   The day
+     *
+     * @return bool Whether the date is valid
+     *
+     * @internal
+     */
+    public static function checkDate($year, $month, $day)
+    {
+        return checkdate($month, $day, $year);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function validate($value, Constraint $constraint)
+    {
+        if (!$constraint instanceof Date) {
+            throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Date');
+        }
+
+        if (null === $value || '' === $value || $value instanceof \DateTime) {
+            return;
+        }
+
+        if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
+            throw new UnexpectedTypeException($value, 'string');
+        }
+
+        $value = (string) $value;
+
+        if (!preg_match(static::PATTERN, $value, $matches)) {
+            if ($this->context instanceof ExecutionContextInterface) {
+                $this->context->buildViolation($constraint->message)
+                    ->setParameter('{{ value }}', $this->formatValue($value))
+                    ->setCode(Date::INVALID_FORMAT_ERROR)
+                    ->addViolation();
+            } else {
+                $this->buildViolation($constraint->message)
+                    ->setParameter('{{ value }}', $this->formatValue($value))
+                    ->setCode(Date::INVALID_FORMAT_ERROR)
+                    ->addViolation();
+            }
+
+            return;
+        }
+
+        if (!self::checkDate($matches[1], $matches[2], $matches[3])) {
+            if ($this->context instanceof ExecutionContextInterface) {
+                $this->context->buildViolation($constraint->message)
+                    ->setParameter('{{ value }}', $this->formatValue($value))
+                    ->setCode(Date::INVALID_DATE_ERROR)
+                    ->addViolation();
+            } else {
+                $this->buildViolation($constraint->message)
+                    ->setParameter('{{ value }}', $this->formatValue($value))
+                    ->setCode(Date::INVALID_DATE_ERROR)
+                    ->addViolation();
+            }
+        }
+    }
+}