ContentEntityBase::__sleep

public ContentEntityBase::__sleep()

public function __sleep() {
  // Get the values of instantiated field objects, only serialize the values.
  foreach ($this->fields as $name => $fields) {
    foreach ($fields as $langcode => $field) {
      $this->values[$name][$langcode] = $field->getValue();
    }
  }
  $this->fields = array();
  $this->fieldDefinitions = NULL;
  $this->languages = NULL;
  $this->clearTranslationCache();

  return parent::__sleep();
}