class ExpressionValidator

@author Fabien Potencier <fabien@symfony.com> @author Bernhard Schussek <bschussek@symfony.com>

Hierarchy

class \Symfony\Component\Validator\ConstraintValidator implements \Symfony\Component\Validator\ConstraintValidatorInterface
- class \Symfony\Component\Validator\Constraints\ExpressionValidator extends \Symfony\Component\Validator\ConstraintValidator

Expanded class hierarchy of ExpressionValidator

1 file declares its use of ExpressionValidator

ConstraintValidatorFactory.php in vendor/symfony/validator/ConstraintValidatorFactory.php

File

vendor/symfony/validator/Constraints/ExpressionValidator.php, line 23

Namespace

Symfony\Component\Validator\Constraints

View source

class ExpressionValidator extends ConstraintValidator {
    private ExpressionLanguage $expressionLanguage;
    public function __construct(?ExpressionLanguage $expressionLanguage = null) {
        if ($expressionLanguage) {
            $this->expressionLanguage = $expressionLanguage;
        }
    }
    public function validate(mixed $value, Constraint $constraint) : void {
        if (!$constraint instanceof Expression) {
            throw new UnexpectedTypeException($constraint, Expression::class);
        }
        $variables = $constraint->values;
        $variables['value'] = $value;
        $variables['this'] = $this->context
            ->getObject();
        $variables['context'] = $this->context;
        if ($constraint->negate xor $this->getExpressionLanguage()
            ->evaluate($constraint->expression, $variables)) {
            $this->context
                ->buildViolation($constraint->message)
                ->setParameter('{{ value }}', $this->formatValue($value, self::OBJECT_TO_STRING))
                ->setCode(Expression::EXPRESSION_FAILED_ERROR)
                ->addViolation();
        }
    }
    private function getExpressionLanguage() : ExpressionLanguage {
        if (!isset($this->expressionLanguage)) {
            $this->expressionLanguage = new ExpressionLanguage();
            $this->expressionLanguage
                ->registerProvider(new ExpressionLanguageProvider());
        }
        return $this->expressionLanguage;
    }

}

Members

Title Sort descending	Modifiers	Object type	Summary	Overriden Title
ConstraintValidator::$context	protected	property
ConstraintValidator::formatTypeOf	protected	function	Returns a string representation of the type of the value.
ConstraintValidator::formatValue	protected	function	Returns a string representation of the value.
ConstraintValidator::formatValues	protected	function	Returns a string representation of a list of values.
ConstraintValidator::initialize	public	function	Initializes the constraint validator.	Overrides ConstraintValidatorInterface::initialize
ConstraintValidator::OBJECT_TO_STRING	public	constant	Whether to cast objects with a "__toString()" method to strings.
ConstraintValidator::PRETTY_DATE	public	constant	Whether to format {@link \DateTime} objects, either with the {@link \IntlDateFormatter} (if it is available) or as RFC-3339 dates ("Y-m-d H:i:s").
ExpressionValidator::$expressionLanguage	private	property
ExpressionValidator::getExpressionLanguage	private	function
ExpressionValidator::validate	public	function	Checks if the passed value is valid.	Overrides ConstraintValidatorInterface::validate
ExpressionValidator::__construct	public	function