title: sort array in DESC order
body: <p>How can i sort this array by arrray key</p>
  
  <pre><code>array(
  4 =&gt; 'four',
  3 =&gt; 'three',
  2 =&gt; 'two',
  1 =&gt; 'one',
  )
  </code></pre>
  
  <p>like this</p>
  
  <pre><code>array(
  1 =&gt; 'one',
  2 =&gt; 'two',
  3 =&gt; 'three',
  4 =&gt; 'four',
  )
  </code></pre>