Developer
<?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
{
/**
* {@inheritdoc}
*/
public function createArgumentMetadata(string|object|array $controller): array
{
$arguments = [];
if (\is_array($controller)) {
$reflection = new \ReflectionMethod($controller[0], $controller[1]);
$class = $reflection->class;
} elseif (\is_object($controller) && !$controller instanceof \Closure) {
$reflection = new \ReflectionMethod($controller, '__invoke');
$class = $reflection->class;
} else {
$reflection = new \ReflectionFunction($controller);
if ($class = str_contains($reflection->name, '{closure}') ? null : (\PHP_VERSION_ID >= 80111 ? $reflection->getClosureCalledClass() : $reflection->getClosureScopeClass())) {
$class = $class->name;
}
}
foreach ($reflection->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, $class), $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 $class): ?string
{
if (!$type = $parameter->getType()) {
return null;
}
$name = $type instanceof \ReflectionNamedType ? $type->getName() : (string) $type;
if (null !== $class) {
switch (strtolower($name)) {
case 'self':
return $class;
case 'parent':
return get_parent_class($class) ?: null;
}
}
return $name;
}
}
Developer
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