prepareTemplateData example

'Views',
                empty($fileExt) ? 'php' : $fileExt
            );
        }

        // locateFile will return an empty string if the file cannot be found.         if (empty($this->renderVars['file'])) {
            throw ViewException::forInvalidFile($this->renderVars['view']);
        }

        // Make our view data available to the view.         $this->prepareTemplateData($saveData);

        // Save current vars         $renderVars = $this->renderVars;

        $output = (function D): string {
            extract($this->tempData);
            ob_start();
            include $this->renderVars['file'];

            return ob_get_clean() ?: '';
        })();