s="paramTypeCol">mixed</td>
  <td class="paramDescCol">the key of the current array element</td>
</tr>
</table>

<div class="sourceCode">
<b>Source Code:</b> <a class="sourceLink" href="https://github.com/yiisoft/yii/blob/1.0.12/framework/web/CHttpSessionIterator.php#L55">framework/web/CHttpSessionIterator.php#55</a> (<b><a href="#" class="show">show</a></b>)
<div class="code"><code><span style="color: #000000">
<span style="color: #0000BB"></span><span style="color: #007700">public&nbsp;function&nbsp;</spa