function DefaultValueResolver::resolve

Overrides ValueResolverInterface::resolve

File

vendor/symfony/http-kernel/Controller/ArgumentResolver/DefaultValueResolver.php, line 25

Class

DefaultValueResolver

Yields the default value defined in the action signature when no value has been given.

Namespace

Symfony\Component\HttpKernel\Controller\ArgumentResolver

Code

public function resolve(Request $request, ArgumentMetadata $argument) : array {
    if ($argument->hasDefaultValue()) {
        return [
            $argument->getDefaultValue(),
        ];
    }
    if (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic()) {
        return [
            null,
        ];
    }
    return [];
}