Viewing file:  ArgumentMetadataFactory.php (1.92 KB) -rw-r--r--
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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\HttpKernel\ControllerMetadata;
/**
* Builds {@see ArgumentMetadata} objects based on the given Controller.
*
* @author Iltar van der Berg <kjarli@gmail.com>
*/
final class ArgumentMetadataFactory implements ArgumentMetadataFactoryInterface
{
public function createArgumentMetadata(string|object|array $controller, ?\ReflectionFunctionAbstract $reflector = null): array
{
$arguments = [];
$reflector ??= new \ReflectionFunction($controller(...));
foreach ($reflector->getParameters() as $param) {
$attributes = [];
foreach ($param->getAttributes() as $reflectionAttribute) {
if (class_exists($reflectionAttribute->getName())) {
$attributes[] = $reflectionAttribute->newInstance();
}
}
$arguments[] = new ArgumentMetadata($param->getName(), $this->getType($param), $param->isVariadic(), $param->isDefaultValueAvailable(), $param->isDefaultValueAvailable() ? $param->getDefaultValue() : null, $param->allowsNull(), $attributes);
}
return $arguments;
}
/**
* Returns an associated type to the given parameter if available.
*/
private function getType(\ReflectionParameter $parameter): ?string
{
if (!$type = $parameter->getType()) {
return null;
}
$name = $type instanceof \ReflectionNamedType ? $type->getName() : (string) $type;
return match (strtolower($name)) {
'self' => $parameter->getDeclaringClass()?->name,
'parent' => get_parent_class($parameter->getDeclaringClass()?->name ?? '') ?: null,
default => $name,
};
}
}
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