Youshido / GraphQL

        });

        foreach ($query->getArguments() as $argument) {

            if (!$field->hasArgument($argument->getName())) {

                $this->executionContext->addError(new ResolveException(sprintf('Unknown argument "%s" on field "%s"', $argument->getName(), $field->getName())));

                return false;

            }

            $originalArgumentType = $field->getArgument($argument->getName())->getType();

            $argumentType         = $originalArgumentType->getNullableType()->getNamedType();

        /** @var Variable $requestVariable */

        $requestVariable = $request->getVariable($variable->getName());

        if (null === $requestVariable) {

            $this->executionContext->addError(new ResolveException(sprintf('Variable "%s" does not exist for query "%s"', $argument->getName(), $field->getName())));

            return false;

        }

        $variable->setValue($requestVariable);