title: Cake php returns time string as a comment
body: <p>I have this controller</p>
  
  <pre><code>public function admin_getsalesareas($house_id) {
  
  
         $this-&gt;autorender = false;
          $this-&gt;layout = false;
          $salesareas = $this-&gt;Salesarea-&gt;find('list', array('conditions' =&gt; array('house_id' =&gt; $house_id)));
  
          echo json_encode($salesareas);
      }
  </code></pre>
  
  <p>The problem is it returns a time string with the jason , which i don't want</p>
  
  <pre><code>{"1":"COA3","2":"tes1","3":"test2"} &lt;!-- 0.1405s --&gt;
  </code></pre>
  
  <p>How to remove that</p>