function lazy_is_field_enabled in Lazy-load 7

Is any of the image fields using the `Lazy-load image` formatter?

File

./lazy.module, line 183

Module file for Lazy-load.

Code

function lazy_is_field_enabled() {
  $lazy_enabled_fields = array();
  $field_map = field_info_field_map();
  foreach ($field_map as $field_name => $field) {
    if ($field['type'] === 'image') {
      foreach ($field['bundles'] as $entity_type => $bundle) {
        $field_instance = field_info_instance($entity_type, $field_name, $bundle[0]);
        foreach ($field_instance['display'] as $display_name => $display) {
          if ($field_instance['display'][$display_name]['type'] === 'lazy') {
            $lazy_enabled_fields[] = implode('-', array(
              $field_instance['entity_type'],
              $field_instance['field_name'],
              $display_name,
            ));
          }
        }
      }
    }
  }
  return (bool) count($lazy_enabled_fields);
}