code: public function printPage(
          $template = PNF_DEFAULT_TEMPLATE,
          $templatePath = PNF_TEMPLATE_PATH,
          $viewPath = PNF_MODULE_PATH,
          $loadType = 'require_once'
      )
      {
          $this->setModulePath($viewPath);
          $template = $_SERVER['DOCUMENT_ROOT'] . $templatePath . $template;
          ob_start();
          $this->processLoad($template, $loadType);
          ob_end_flush();
      }
docs: @brief prepare and show template
  
  - set full path to views
  - load template
  
  @param string $template template name
  @param string $templatePath path to templates catalog
  @param string $viewPath path to views catalog
  @param string $loadType switch of
  - require_once
  - require
  - include_once
  - include