/**
* Sets the state on deserialization.
*
* @param array $state
* @return ezcPersistentObjectColumns
*/
public static function __set_state(array $state)
{
$columns = new ezcPersistentObjectColumns();
if (isset($state['columns']) && sizeof($state) === 1) {
$columns->exchangeArray($state['columns']);
} else {
// Old style exports
$columns->exchangeArray($state);
}
return $columns;
}
