title: DB query - how to order by absolute values?
body: <p>I have query that fetch data... 
  I want to order it by absolute value,
  current query:</p>
  
  <pre><code>$someVar = DB::table('tblName')-&gt;where('id', $id)-&gt;orderBy('size', 'desc')-&gt;get  
  </code></pre>
  
  <p>I tried to do something like <code>orderBy(Abs('size'), 'desc')-&gt;get</code><br>
  but it didn't work and can't find any solution in the documentations.</p>
  
  <p>Anyone know the solution?</p>