function WhenValidator::getExpressionLanguage

File

vendor/symfony/validator/Constraints/WhenValidator.php, line 44

Class

WhenValidator

Namespace

Symfony\Component\Validator\Constraints

Code

private function getExpressionLanguage() : ExpressionLanguage {
    if (!class_exists(ExpressionLanguage::class)) {
        throw new LogicException(\sprintf('The "symfony/expression-language" component is required to use the "%s" validator. Try running "composer require symfony/expression-language".', __CLASS__));
    }
    return $this->expressionLanguage ??= new ExpressionLanguage();
}