public static function RenderCachePlaceholder::postRenderCacheCallback in Render cache 7.2

Generic #post_render_cache callback for getPlaceholder().

Parameters

array $element: The renderable array that contains the to be replaced placeholder.

array $context: An array with the following keys:

• function: The function to call.
• args: The arguments to pass to the function.

Return value

array A renderable array with the placeholder replaced.

Overrides RenderCachePlaceholderInterface::postRenderCacheCallback

File

src/Cache/RenderCachePlaceholder.php, line 84

Contains \Drupal\render_cache\Cache\RenderCachePlaceholder

Class

RenderCachePlaceholder

Provides placeholder utility functions.

Namespace

Drupal\render_cache\Cache

Code

public static function postRenderCacheCallback(array $element, array $context) {
  $placeholder = static::generatePlaceholder($context['function'], $context);

  // Check if the placeholder is present at all.
  if (strpos($element['#markup'], $placeholder) === FALSE) {
    return $element;
  }
  $function = $context['function'];
  $args = static::loadPlaceholderFunctionArgs($context);
  $new_element = call_user_func_array($function, $args);
  $markup = static::drupalRender($new_element);
  $element['#markup'] = str_replace($placeholder, $markup, $element['#markup']);
  return $element;
}