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entity_get_info

7 common.inc entity_get_info($entity_type = NULL)

Get the entity info array of an entity type.

Parameters

$entity_type: The entity type, e.g. node, for which the info shall be returned, or NULL to return an array with info about all types.

See also

hook_entity_info()

hook_entity_info_alter()

32 calls to entity_get_info()

1 string reference to 'entity_get_info'

File

drupal/includes/common.inc, line 7278
Common functions that many Drupal modules will need to reference.

Code

function entity_get_info($entity_type = NULL) {
  global $language;

  // Use the advanced drupal_static() pattern, since this is called very often.
  static $drupal_static_fast;
  if (!isset($drupal_static_fast)) {
    $drupal_static_fast['entity_info'] = &drupal_static(__FUNCTION__);
  }
  $entity_info = &$drupal_static_fast['entity_info'];

  // hook_entity_info() includes translated strings, so each language is cached
  // separately.
  $langcode = $language->language;

  if (empty($entity_info)) {
    if ($cache = cache_get("entity_info:$langcode")) {
      $entity_info = $cache->data;
    }
    else {
      $entity_info = module_invoke_all('entity_info');
      // Merge in default values.
      foreach ($entity_info as $name => $data) {
        $entity_info[$name] += array(
          'fieldable' => FALSE, 
          'controller class' => 'DrupalDefaultEntityController', 
          'static cache' => TRUE, 
          'field cache' => TRUE, 
          'load hook' => $name . '_load', 
          'bundles' => array(), 
          'view modes' => array(), 
          'entity keys' => array(), 
          'translation' => array(),
        );
        $entity_info[$name]['entity keys'] += array(
          'revision' => '', 
          'bundle' => '',
        );
        foreach ($entity_info[$name]['view modes'] as $view_mode => $view_mode_info) {
          $entity_info[$name]['view modes'][$view_mode] += array(
            'custom settings' => FALSE,
          );
        }
        // If no bundle key is provided, assume a single bundle, named after
        // the entity type.
        if (empty($entity_info[$name]['entity keys']['bundle']) && empty($entity_info[$name]['bundles'])) {
          $entity_info[$name]['bundles'] = array($name => array('label' => $entity_info[$name]['label']));
        }
        // Prepare entity schema fields SQL info for
        // DrupalEntityControllerInterface::buildQuery().
        if (isset($entity_info[$name]['base table'])) {
          $entity_info[$name]['schema_fields_sql']['base table'] = drupal_schema_fields_sql($entity_info[$name]['base table']);
          if (isset($entity_info[$name]['revision table'])) {
            $entity_info[$name]['schema_fields_sql']['revision table'] = drupal_schema_fields_sql($entity_info[$name]['revision table']);
          }
        }
      }
      // Let other modules alter the entity info.
      drupal_alter('entity_info', $entity_info);
      cache_set("entity_info:$langcode", $entity_info);
    }
  }

  if (empty($entity_type)) {
    return $entity_info;
  }
  elseif (isset($entity_info[$entity_type])) {
    return $entity_info[$entity_type];
  }
}