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<?php
declare(strict_types=1);
namespace App\Http\Middleware;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\MiddlewareInterface;
use Psr\Http\Server\RequestHandlerInterface;
final class ProfilerMiddleware implements MiddlewareInterface
{
public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
$start = hrtime(true);
$response = $handler->handle($request);
$stop = hrtime(true);
$time = ($stop - $start) / 1000000;
return $response->withHeader('X-Load-Time', $time . ' ms');
}