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<title>Get the current key</title>
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<h1 class="refname">FilterIterator::key</h1>
<p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">FilterIterator::key</span> — <span class="dc-title">Get the current key</span></p>
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<div class="refsect1 description" id="refsect1-filteriterator.key-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>FilterIterator::key</strong></span>
( <span class="methodparam">void</span>
)</div>
<div class="warning"><strong class="warning">Warning</strong><p class="simpara">This function is
currently not documented; only its argument list is available.
</p></div>
<p class="para">
Get the current key.
</p>
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<div class="refsect1 parameters" id="refsect1-filteriterator.key-parameters">
<h3 class="title">Parameters</h3>
<p class="para">This function has no parameters.</p>
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<div class="refsect1 returnvalues" id="refsect1-filteriterator.key-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The current key.
</p>
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<div class="refsect1 seealso" id="refsect1-filteriterator.key-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="filteriterator.next.html" class="function" rel="rdfs-seeAlso">FilterIterator::next()</a> - Move the iterator forward</span></li>
<li class="member"> <span class="function"><a href="filteriterator.current.html" class="function" rel="rdfs-seeAlso">FilterIterator::current()</a> - Get the current element value</span></li>
</ul>
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