Ouzo\Db\WhereClause\WhereClause::isNotEmptyFunction PHP Метод

    public static function isNotEmptyFunction()
    {
        return function (WhereClause $whereClause) {
            return !$whereClause->isEmpty();
        };
    }

 public static function buildWhereQuery($whereClauses)
 {
     $parts = FluentArray::from($whereClauses)->filter(WhereClause::isNotEmptyFunction())->map('\\Ouzo\\Db\\Dialect\\DialectUtil::buildWhereQueryPart')->toArray();
     return implode(' AND ', Arrays::filterNotBlank($parts));
 }