public function Entity::__sleep in Entity API 7
Magic method to only serialize what's necessary.
File
- includes/
entity.inc, line 402  - Provides a base class for entities.
 
Class
- Entity
 - A common class for entities.
 
Code
public function __sleep() {
  $vars = get_object_vars($this);
  unset($vars['entityInfo'], $vars['idKey'], $vars['nameKey'], $vars['statusKey']);
  // Also key the returned array with the variable names so the method may
  // be easily overridden and customized.
  return drupal_map_assoc(array_keys($vars));
}