blink\testing\RequestActor::dumpHeaders PHP Метод

    public function dumpHeaders()
    {
        $headers = $this->response->headers;
        if ($headers->count() && $this->isVerbose()) {
            $class = debug_backtrace()[1];
            printf("\ndump headers in %s::%s():\n", $class['class'], $class['function']);
            foreach ($headers as $key => $values) {
                echo $key, ': ', implode(',', $values), "\n";
            }
        }
        return $this;
    }