# Query String Query > More info about query string query is in the [official elasticsearch docs][1] A query that uses a query parser in order to parse its content. ## Simple example ```JSON { "query_string" : { "default_field" : "content", "query" : "this AND that OR thus" } } ``` In DSL: ```php $queryStringQuery = new QueryStringQuery('this AND that OR thus'); $queryStringQuery->addParameter('default_field', 'content'); $search = new Search(); $search->addQuery($queryStringQuery); $queryArray = $search->toArray(); ``` [1]: https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-query-string-query.html