ApiHelper::__construct

public function __construct($exportId)
{
	if (empty($exportId))
	{
		throw new ArgumentNullException('exportId');
	}
	
	$this->exportId = $exportId;
	$this->vk = Vk::getInstance();
	$this->api = $this->vk->getApi($exportId);
	$this->executer = $this->vk->getExecuter($exportId);
	$this->logger = new Logger($this->exportId);
}