function VariadicValueResolver::resolve

Overrides ValueResolverInterface::resolve

File

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

Class

VariadicValueResolver

Yields a variadic argument's values from the request attributes.

Namespace

Symfony\Component\HttpKernel\Controller\ArgumentResolver

Code

public function resolve(Request $request, ArgumentMetadata $argument) : array {
    if (!$argument->isVariadic() || !$request->attributes
        ->has($argument->getName())) {
        return [];
    }
    $values = $request->attributes
        ->get($argument->getName());
    if (!\is_array($values)) {
        throw new \InvalidArgumentException(\sprintf('The action argument "...$%1$s" is required to be an array, the request attribute "%1$s" contains a type of "%2$s" instead.', $argument->getName(), get_debug_type($values)));
    }
    return $values;
}