<?php namespace Common\Core\Middleware; use Closure; use Illuminate\Http\Request; class SimulateSlowConnectionMiddleware { public function handle(Request $request, Closure $next) { if ($speed = config('common.site.simulated_connection')) { if ($speed === 'medium') { // 200ms usleep(200000); } elseif ($speed === 'slow') { // 1s sleep(1); } } return $next($request); } }