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<?php
namespace Zenstruck\Callback\Parameter;
use Zenstruck\Callback\Exception\UnresolveableArgument;
use Zenstruck\Callback\Parameter;
/**
* @author Kevin Bond <[email protected]>
*/
final class TypedParameter extends Parameter
{
/** @var string */
private $type;
private $value;
public function __construct(string $type, $value)
$this->type = $type;
$this->value = $value;
}
public function type(): string
return $this->type;
protected function valueFor(\ReflectionParameter $parameter)
$parameterType = $parameter->getType();
if (!$parameterType instanceof \ReflectionNamedType) {
throw new UnresolveableArgument('Argument has no type.');
if ($this->type === $parameterType->getName() || \is_a($parameterType->getName(), $this->type, true)) {
return $this->value;
throw new UnresolveableArgument('Unable to resolve.');
zenstruck /
callback
