title: Magento undefined constant
body: <p>hi have a problems with magento as it shows me this error when i click sunglasses menu:</p>
  
  <pre><code>Notice: Use of undefined constant id - assumed 'id'  in /var/www/app/design/frontend/glassesonline/default/template/mana/filters/items/list.phtml on line 159
  </code></pre>
  
  <p>This is code at line 159</p>
  
  <pre><code>&lt;input id="category" type="hidden"  value="&lt;?php $arr = $this-&gt;getRequest()-&gt;getParams(id,false); echo $arr['id']; ?&gt;"&gt;
  </code></pre>
  
  <p>This drive me crazy, please let me know where am i wrong, i will provide more info if needed.Thanks</p>