/**
* @param FieldType $fieldType Document field type.
* @param mixed $value Field value.
* @param string $format Format name.
* @return string
*/
public static function formatValueMultiple(FieldType $fieldType, $value, $format = 'printable')
{
if (is_array($value) && \CBPHelper::isAssociativeArray($value)) {
$value = array_keys($value);
}
return parent::formatValueMultiple($fieldType, $value, $format);
}
