"color: #007700">]:</span><span style="color: #0000BB">null</span><span style="color: #007700">;<br />}</span>
</span>
</code></div>
</div>
<p>Returns the current array element.
This method is required by the interface Iterator.</p>


<div class="detailHeader" id="key-detail">
key()
<span class="detailHeaderTag">
method
</span>
</div>

<table class="summaryTable">
<tr><td colspan="3">
<div class="signature2">
public mixed <b>key</b>()</div>
</td></tr>
<tr>
  <td class="paramNameCol">{return}</td>
  <td clas