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<?php
declare(strict_types=1);
namespace Yiisoft\Factory\Definition;
use ReflectionParameter;
use Yiisoft\Factory\DependencyResolverInterface;
use Yiisoft\Factory\Exception\NotInstantiableException;
use Yiisoft\Factory\Exception\NotDetermineDefaultValueOfPhpInternalException;
final class ParameterDefinition implements DefinitionInterface
{
private ReflectionParameter $parameter;
public function __construct(ReflectionParameter $parameter)
$this->parameter = $parameter;
}
public function isVariadic(): bool
return $this->parameter->isVariadic();
public function isOptional(): bool
return $this->parameter->isOptional();
public function hasValue(): bool
return $this->parameter->isDefaultValueAvailable() || $this->parameter->allowsNull();
public function resolve(DependencyResolverInterface $container)
if ($this->parameter->isDefaultValueAvailable()) {
return $this->parameter->getDefaultValue();
if ($this->parameter->allowsNull()) {
return null;
if ($this->isOptional()) {
throw new NotDetermineDefaultValueOfPhpInternalException($this->parameter);
throw new NotInstantiableException('Parameter definition does not contain a value.');
yiisoft /
factory
