function EntityViewBuilder::setRecursiveRenderProtection

Entity render array #pre_render callback.

File

core/lib/Drupal/Core/Entity/EntityViewBuilder.php, line 558

Class

EntityViewBuilder

Base class for entity view builders.

Namespace

Code

public function setRecursiveRenderProtection(array $build) : array {
  // Checks whether entity render array with matching cache keys is being
  // recursively rendered. If not already being rendered,
  // add an entry to track that it is.
  $recursion_key = $this->getRenderRecursionKey($build);
  if (isset(static::$recursionKeys[$recursion_key])) {
    trigger_error(sprintf('Recursive rendering attempt aborted for %s. In progress: %s', $recursion_key, print_r(static::$recursionKeys, TRUE)), E_USER_WARNING);
    $build['#printed'] = TRUE;
  }
  else {
    static::$recursionKeys[$recursion_key] = TRUE;
  }
  return $build;
}