function aet_entity_is_viewed in Advanced Entity Tokens 7

Checks if an entity is being viewed.

Return value

bool TRUE if the entity with $id as its id and of type $entity_type is being viewed.

1 call to aet_entity_is_viewed()

_aet_entity_tokens in ./aet.tokens.inc

INTERNAL implementation of hook_tokens specified for entities.

File

./aet.module, line 53

The AET main module file.

Code

function aet_entity_is_viewed($entity_type, $id_key, $id) {

  // Get the function backtrace to check if the the entity view function is
  // part of the chain.
  $backtrace = debug_backtrace();
  foreach ($backtrace as $caller) {
    if ($caller['function'] === $entity_type . '_view') {

      // Move the $entity object to a new variable to increase readability.
      $entity = $caller['args'][0];

      // If the received id matches the viewed entity id (or uuid) than
      // return TRUE, which means the entity of the received id is being viewed.
      if ($id == $entity->{$id_key} || AET_UUID && $id == $entity->uuid) {
        return TRUE;
      }
    }
    elseif ($caller['function'] == '_drupal_bootstrap_full' || $caller == 'menu_execute_active_handler') {

      // There is no point in going back this far, so just stop.
      break;
    }
  }
  return FALSE;
}