Check if the provided identifier is unique.

File

plugins/views_plugin_display.inc, line 1945

Contains the base display plugin.

Class

views_plugin_display

The default display plugin handler. Display plugins handle options and basic mechanisms for different output methods.

Code

function is_identifier_unique($id, $identifier) {
  foreach (views_object_types() as $type => $info) {
    foreach ($this->get_handlers($type) as $key => $handler) {
      if ($handler->can_expose() && $handler->is_exposed()) {
        if ($id != $key && $identifier == $handler->options['expose']['identifier']) {
          return FALSE;
        }
      }
    }
  }
  return TRUE;
}