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<?php
namespace Jasny\Controller;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
/**
* Apply guards for a controller.
* Guard are attributes of the controller or method.
*/
class Guardian
{
$attribute
* Instantiate a guard from an attribute.
protected function instantiate(\ReflectionAttribute $attribute): Guard
return $attribute->newInstance();
}
$subject
$request
$response
* Run a set of guards.
public function guard(
\ReflectionObject|\ReflectionMethod $subject,
ServerRequestInterface $request,
ResponseInterface $response,
): ?ResponseInterface {
$attributes = $subject->getAttributes(Guard::class, \ReflectionAttribute::IS_INSTANCEOF);
foreach ($attributes as $attribute) {
$guard = $this->instantiate($attribute);
$result = $guard($request, $response);
if ($result !== null) {
return $result;
return null;
jasny /
controller
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