function viewfield_default_elements_post_render in Viewfield 7.2

Same name and namespace in other branches

1. 7.3 viewfield.module \viewfield_default_elements_post_render()

#post_render callback for viewfield default formatter.

1 string reference to 'viewfield_default_elements_post_render'

viewfield_field_formatter_view in ./viewfield.module

Implements hook_field_formatter_view().

File

./viewfield.module, line 291

Defines a field type to display a view.

Code

function viewfield_default_elements_post_render($content, $element) {

  // Set the default state to empty.
  $empty = TRUE;

  // Retrieve all element children.
  $children = array_intersect_key($element, element_children($element));
  foreach ($children as $key => $child) {
    $view = $child['#view'];

    // If any child view has results, output the field.
    if (!empty($view->result) || !empty($view->empty)) {
      $empty = FALSE;
    }
  }
  return $empty === FALSE ? $content : NULL;
}