public function Entity::label

Implements EntityInterface::label().

Return value

string|null: The label of the entity, or NULL if there is no label defined.

Overrides EntityInterface::label

File

core/modules/entity/entity.class.inc, line 287

Provides an interface and a base class for entities.

Class

Entity

Defines a base entity class.

Code

public function label() {
  $entity_info = entity_get_info($this->entityType());
  $label = NULL;
  if (isset($entity_info['label callback'])) {
    $label = call_user_func($entity_info['label callback'], $this);
  }
  else if (isset($entity_info['entity keys']['label'])) {
    $label = $this->{$entity_info['entity keys']['label']};
  }
  return $label;
}