function views_rss_get in Views RSS 8.2

Same name and namespace in other branches

1. 8.3 views_rss.module \views_rss_get()
2. 6.2 views_rss.module \views_rss_get()
3. 7.2 views_rss.module \views_rss_get()

Returns an array of item elements defined by other modules with hook_views_rss_item_elements() and optionally altered with hook_views_rss_item_elements_alter() implementations.

10 calls to views_rss_get()

RssFields::buildOptionsForm in src/Plugin/views/style/RssFields.php

Provide a form to edit options for this plugin.

RssFields::buildOptionsForm in src/Plugin/views/row/RssFields.php

Function buildOptionsForm.

RssFields::defineOptions in src/Plugin/views/style/RssFields.php

Information about options for all kinds of purposes will be held here.

RssFields::defineOptions in src/Plugin/views/row/RssFields.php

Function defineOptions.

RssFields::getChannelElements in src/Plugin/views/style/RssFields.php

Return an array of additional XHTML elements to add to the channel.

... See full list

File

./views_rss.module, line 15

Module providing fields-based views style plugin for RSS feed generation.

Code

function views_rss_get($key, $rebuild = FALSE) {
  static $data = array();
  if (!isset($data[$key]) || empty($data[$key]) || $rebuild === TRUE) {
    $cid = 'views_rss:' . $key;
    $cache = \Drupal::cache('data')
      ->get($cid);
    if (isset($cache->data) && $rebuild === FALSE) {
      $data[$key] = $cache->data;
    }
    else {

      // Fetch item elements provided by other modules. We need to manually call
      // each module so that we can know which module a given item came from.
      $data[$key] = array();
      $hook_name = 'views_rss_' . $key;
      $modules = \Drupal::moduleHandler()
        ->getImplementations($hook_name);
      foreach ($modules as $module) {
        $module_data = \Drupal::moduleHandler()
          ->invoke($module, $hook_name);
        if (isset($module_data) && is_array($module_data)) {
          $data[$key][$module] = $module_data;
        }
      }

      // Add namespaces not defined by any hook_views_rss_namespaces(),
      // but used in any of defined <channel> or <item> elements.
      // Let's also add "xmlns" prefix by default to such namespaces.
      $function = '_views_rss_process_' . $key;
      if (function_exists($function)) {
        $data[$key] = $function($data[$key]);
      }

      // Allow other modules to alter obtained item elements.
      \Drupal::moduleHandler()
        ->alter($hook_name, $data[$key]);

      // Store it infinitely in cache (rebuild only on cache clear).
      \Drupal::cache('data')
        ->set($cid, $data[$key]);
    }
  }
  return $data[$key];
}