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<?xml version='1.0' encoding='iso-8859-1'?>
<!-- $Revision: 1.5 $ -->
<refentry id="function.ArrayIterator-key">
<refnamediv>
<refname>ArrayIterator::key</refname>
<refpurpose>
Return current array key
</refpurpose>
</refnamediv>
<refsect1>
<title>Description</title>
<methodsynopsis>
<type>mixed</type><methodname>ArrayIterator::key</methodname>
<void/>
</methodsynopsis>
<para>
This function returns the current array key
</para>
<para>
<example>
<title><function>ArrayIterator::key</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$array = array('key' => 'value');
$arrayobject = new ArrayObject($array);
$iterator = $arrayobject->getIterator();
echo $iterator->key(); //key
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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