function Renderer::renderRoot

Overrides RendererInterface::renderRoot

File

core/lib/Drupal/Core/Render/Renderer.php, line 138

Class

Renderer

Turns a render array into an HTML string.

Namespace

Code

public function renderRoot(&$elements) {
    // Disallow calling ::renderRoot() from within another ::renderRoot() call.
    if ($this->isRenderingRoot) {
        $this->isRenderingRoot = FALSE;
        throw new \LogicException('A stray renderRoot() invocation is causing bubbling of attached assets to break.');
    }
    // Render in its own render context.
    $this->isRenderingRoot = TRUE;
    $output = $this->executeInRenderContext(new RenderContext(), function () use (&$elements) {
        return $this->render($elements, TRUE);
    });
    $this->isRenderingRoot = FALSE;
    return $output;
}