RainLab\Pages\Classes\Page::getProcessedPlaceholderMarkup PHP Method

    public function getProcessedPlaceholderMarkup($placeholderName, $placeholderContents)
    {
        if (array_key_exists($placeholderName, $this->processedBlockMarkupCache)) {
            return $this->processedBlockMarkupCache[$placeholderName];
        }
        /*
         * Process snippets
         */
        $markup = Snippet::processPageMarkup($this->getFileName() . md5($placeholderName), $this->theme, $placeholderContents);
        /*
         * Inject global view variables
         */
        $globalVars = ViewHelper::getGlobalVars();
        if (!empty($globalVars)) {
            $markup = TextParser::parse($markup, $globalVars);
        }
        return $this->processedBlockMarkupCache[$placeholderName] = $markup;
    }