/**
* Returns the validation groups of the given field.
*
* @param FieldConfigInterface $field The field
*
* @return array The validation groups.
*/
private static function getValidationGroups(FieldConfigInterface $field)
{
$groups = $field->getOption('validation_groups', [Constraint::DEFAULT_GROUP]);
if (!is_string($groups) && is_callable($groups)) {
$groups = call_user_func($groups, $field);
}
return (array) $groups;
}
