CRestServer::sendHeadersAdditional

public function sendHeadersAdditional()
{
	if(BitrixMainModuleManager::isModuleInstalled('bitrix24'))
	{
		if($this->clientId)
		{
			Header('X-Bitrix-Rest-Application: '.$this->clientId);
		}

		Header('X-Bitrix-Rest-Time: '.number_format($this->timeProcessFinish - $this->timeProcessStart, 10, '.', ''));

		if($this->usage && function_exists('getrusage'))
		{
			$usage = getrusage();

			Header('X-Bitrix-Rest-User-Time: '.number_format($usage['ru_utime.tv_sec'] - $this->usage['ru_utime.tv_sec'] + ($usage['ru_utime.tv_usec'] - $this->usage['ru_utime.tv_usec']) / 1000000, 10, '.', ''));
			Header('X-Bitrix-Rest-System-Time: '.number_format($usage['ru_stime.tv_sec'] - $this->usage['ru_stime.tv_sec'] + ($usage['ru_stime.tv_usec'] - $this->usage['ru_stime.tv_usec']) / 1000000, 10, '.', ''));
		}
	}
}