function views_rss_core_preprocess_channel_image in Views RSS 7.2

Same name and namespace in other branches

1. 8.3 modules/views_rss_core/views_rss_core.inc \views_rss_core_preprocess_channel_image()
2. 8.2 modules/views_rss_core/views_rss_core.inc \views_rss_core_preprocess_channel_image()
3. 6.2 modules/views_rss_core/views_rss_core.inc \views_rss_core_preprocess_channel_image()

Preprocess function for channel <image> element.

1 string reference to 'views_rss_core_preprocess_channel_image'

views_rss_core_views_rss_channel_elements in modules/views_rss_core/views_rss_core.module

Implements hook_views_rss_channel_elements().

File

modules/views_rss_core/views_rss_core.inc, line 80

Preprocess functions for Views RSS: Core Elements module.

Code

function views_rss_core_preprocess_channel_image(&$variables) {

  // No value = no preprocessing.
  if (empty($variables['elements'][0]['value'])) {
    return;
  }
  $path = $variables['elements'][0]['value'];

  // Get value of channel <title> element from its preprocess function.
  views_rss_core_preprocess_channel_title($variables);
  $title = $variables['elements'][0]['value'];

  // Get value of channel <title> element from its preprocess function.
  views_rss_core_preprocess_channel_link($variables);
  $link = $variables['elements'][0]['value'];

  // Create subelements array.
  $variables['elements'][0]['value'] = array(
    'url' => file_create_url($path),
    'title' => $title,
    'link' => $link,
  );

  // Try to get image description from website's mission.
  $site_slogan = variable_get('site_slogan', '');
  if (!empty($site_slogan)) {
    $variables['elements'][0]['value']['description'] = $site_slogan;
  }

  // Get image width and height.
  $image = image_load($path);
  if (!empty($image)) {
    $variables['elements'][0]['value']['width'] = $image->info['width'];
    $variables['elements'][0]['value']['height'] = $image->info['height'];
  }
}