function views_rss_core_preprocess_channel_date in Views RSS 8.2

Same name and namespace in other branches

1. 8.3 modules/views_rss_core/views_rss_core.inc \views_rss_core_preprocess_channel_date()
2. 6.2 modules/views_rss_core/views_rss_core.inc \views_rss_core_preprocess_channel_date()
3. 7.2 modules/views_rss_core/views_rss_core.inc \views_rss_core_preprocess_channel_date()

Preprocess function for channel <lastBuildDate> element.

It will return values for date element providing that original Views query was modified appropriately by views_rss_core_views_query_alter() by adding a field to SELECT clause retrieving object modification timestamp (for <lastBuildDate>).

File

modules/views_rss_core/views_rss_core.inc, line 141

Preprocess functions for Views RSS: Core Elements module.

Code

function views_rss_core_preprocess_channel_date(&$variables) {

  // @TODO make this function friendly for already formatted dates.
  if (count($variables['view']->result) > 0) {
    $max_date = 0;
    foreach ($variables['view']->result as $row) {
      $key = $variables['elements'][0]['key'];
      if (isset($row->{$key}) && $row->{$key} > $max_date) {
        $max_date = $row->{$key};
      }
    }
    if ($max_date) {
      $variables['elements'][0]['value'] = date('r', $max_date);
    }
  }
}