title: Laravel: get last Insert id from query builder
body: <p>I am new in laravel and trying to get last inserted id from this query:</p>
  
  <pre><code>DB::select("INSERT INTO current_survey (`name`, `created_by`, `description`)  SELECT `name`, `created_by`, `description` FROM survey WHERE id=survey_id");
  </code></pre>
  
  <p>this query working well, can any one suggest me how this is possible in laravel?</p>
  
  <p>Thanks</p>