vendor/symfony/validator/Constraints/AbstractComparisonValidator.php line 32
<?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\PropertyAccess\Exception\NoSuchPropertyException;use Symfony\Component\PropertyAccess\PropertyAccess;use Symfony\Component\PropertyAccess\PropertyAccessorInterface;use Symfony\Component\Validator\Constraint;use Symfony\Component\Validator\ConstraintValidator;use Symfony\Component\Validator\Exception\ConstraintDefinitionException;use Symfony\Component\Validator\Exception\UnexpectedTypeException;/*** Provides a base class for the validation of property comparisons.** @author Daniel Holmes <daniel@danielholmes.org>* @author Bernhard Schussek <bschussek@gmail.com>*/abstract class AbstractComparisonValidator extends ConstraintValidator{private ?PropertyAccessorInterface $propertyAccessor;public function __construct(PropertyAccessorInterface $propertyAccessor = null){$this->propertyAccessor = $propertyAccessor;}public function validate(mixed $value, Constraint $constraint){if (!$constraint instanceof AbstractComparison) {throw new UnexpectedTypeException($constraint, AbstractComparison::class);}if (null === $value) {return;}if ($path = $constraint->propertyPath) {if (null === $object = $this->context->getObject()) {return;}try {$comparedValue = $this->getPropertyAccessor()->getValue($object, $path);} catch (NoSuchPropertyException $e) {throw new ConstraintDefinitionException(sprintf('Invalid property path "%s" provided to "%s" constraint: ', $path, get_debug_type($constraint)).$e->getMessage(), 0, $e);}} else {$comparedValue = $constraint->value;}// Convert strings to DateTimes if comparing another DateTime// This allows to compare with any date/time value supported by// the DateTime constructor:// https://php.net/datetime.formatsif (\is_string($comparedValue) && $value instanceof \DateTimeInterface) {// If $value is immutable, convert the compared value to a DateTimeImmutable too, otherwise use DateTime$dateTimeClass = $value instanceof \DateTimeImmutable ? \DateTimeImmutable::class : \DateTime::class;try {$comparedValue = new $dateTimeClass($comparedValue);} catch (\Exception) {throw new ConstraintDefinitionException(sprintf('The compared value "%s" could not be converted to a "%s" instance in the "%s" constraint.', $comparedValue, $dateTimeClass, get_debug_type($constraint)));}}if (!$this->compareValues($value, $comparedValue)) {$violationBuilder = $this->context->buildViolation($constraint->message)->setParameter('{{ value }}', $this->formatValue($value, self::OBJECT_TO_STRING | self::PRETTY_DATE))->setParameter('{{ compared_value }}', $this->formatValue($comparedValue, self::OBJECT_TO_STRING | self::PRETTY_DATE))->setParameter('{{ compared_value_type }}', $this->formatTypeOf($comparedValue))->setCode($this->getErrorCode());if (null !== $path) {$violationBuilder->setParameter('{{ compared_value_path }}', $path);}$violationBuilder->addViolation();}}private function getPropertyAccessor(): PropertyAccessorInterface{return $this->propertyAccessor ??= PropertyAccess::createPropertyAccessor();}/*** Compares the two given values to find if their relationship is valid.*/abstract protected function compareValues(mixed $value1, mixed $value2): bool;/*** Returns the error code used if the comparison fails.*/protected function getErrorCode(): ?string{return null;}}