DateValidator.php in Plug 7

Namespace

Symfony\Component\Validator\Constraints

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/DateValidator.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <[e-mail]>
 *
 * 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;

/**
 * @author Bernhard Schussek <[e-mail]>
 *
 * @api
 */
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)) {
      $this
        ->buildViolation($constraint->message)
        ->setParameter('{{ value }}', $this
        ->formatValue($value))
        ->setCode(Date::INVALID_FORMAT_ERROR)
        ->addViolation();
      return;
    }
    if (!self::checkDate($matches[1], $matches[2], $matches[3])) {
      $this
        ->buildViolation($constraint->message)
        ->setParameter('{{ value }}', $this
        ->formatValue($value))
        ->setCode(Date::INVALID_DATE_ERROR)
        ->addViolation();
    }
  }

}

Classes

Name	Description
DateValidator	@author Bernhard Schussek <[e-mail]>