function Layout::hasContexts

Check if the layout has a context of a particular name.

Parameters

array $required_contexts: An unindexed array of context plugin names.

Return value

boolean: TRUE if this layout has all the required contexts, FALSE otherwise.

File

core/modules/layout/includes/layout.class.inc, line 921

Class for loading, modifying, and executing a layout.

Class

Layout

@file Class for loading, modifying, and executing a layout.

Code

function hasContexts($required_contexts) {
  $all_available_contexts = $this->getContexts();
  $context_counts = array_count_values($required_contexts);
  foreach (array_unique($required_contexts) as $required_context_name) {
    foreach ($all_available_contexts as $available_context) {
      if ($available_context->isA($required_context_name)) {
        // Matching context available, continue to the next one.
        $context_counts[$required_context_name] = ($context_counts[$required_context_name] > 0) ? $context_counts[$required_context_name] - 1 : 0;
      }
    }
  }

  return empty(array_filter($context_counts));
}