comparison vendor/symfony/validator/Constraints/DateValidator.php @ 0:4c8ae668cc8c

Initial import (non-working)
author Chris Cannam
date Wed, 29 Nov 2017 16:09:58 +0000
parents
children 129ea1e6d783
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-1:000000000000 0:4c8ae668cc8c
1 <?php
2
3 /*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\Validator\Constraints;
13
14 use Symfony\Component\Validator\Constraint;
15 use Symfony\Component\Validator\ConstraintValidator;
16 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
17
18 /**
19 * @author Bernhard Schussek <bschussek@gmail.com>
20 */
21 class DateValidator extends ConstraintValidator
22 {
23 const PATTERN = '/^(\d{4})-(\d{2})-(\d{2})$/';
24
25 /**
26 * Checks whether a date is valid.
27 *
28 * @param int $year The year
29 * @param int $month The month
30 * @param int $day The day
31 *
32 * @return bool Whether the date is valid
33 *
34 * @internal
35 */
36 public static function checkDate($year, $month, $day)
37 {
38 return checkdate($month, $day, $year);
39 }
40
41 /**
42 * {@inheritdoc}
43 */
44 public function validate($value, Constraint $constraint)
45 {
46 if (!$constraint instanceof Date) {
47 throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Date');
48 }
49
50 if (null === $value || '' === $value || $value instanceof \DateTimeInterface) {
51 return;
52 }
53
54 if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
55 throw new UnexpectedTypeException($value, 'string');
56 }
57
58 $value = (string) $value;
59
60 if (!preg_match(static::PATTERN, $value, $matches)) {
61 $this->context->buildViolation($constraint->message)
62 ->setParameter('{{ value }}', $this->formatValue($value))
63 ->setCode(Date::INVALID_FORMAT_ERROR)
64 ->addViolation();
65
66 return;
67 }
68
69 if (!self::checkDate($matches[1], $matches[2], $matches[3])) {
70 $this->context->buildViolation($constraint->message)
71 ->setParameter('{{ value }}', $this->formatValue($value))
72 ->setCode(Date::INVALID_DATE_ERROR)
73 ->addViolation();
74 }
75 }
76 }