<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>The offsetExists purpose</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="cachingiterator.next.html">CachingIterator::next</a></div> <div class="next" style="text-align: right; float: right;"><a href="cachingiterator.offsetget.html">CachingIterator::offsetGet</a></div> <div class="up"><a href="class.cachingiterator.html">CachingIterator</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="cachingiterator.offsetexists" class="refentry"> <div class="refnamediv"> <h1 class="refname">CachingIterator::offsetExists</h1> <p class="verinfo">(PHP 5 >= 5.2.0)</p><p class="refpurpose"><span class="refname">CachingIterator::offsetExists</span> — <span class="dc-title">The offsetExists purpose</span></p> </div> <div class="refsect1 description" id="refsect1-cachingiterator.offsetexists-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">public</span> <span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>CachingIterator::offsetExists</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$index</code></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> </div> <div class="refsect1 parameters" id="refsect1-cachingiterator.offsetexists-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">index</code></em></span> <dd> <p class="para"> The index being checked. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-cachingiterator.offsetexists-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <strong><code>TRUE</code></strong> if an entry referenced by the offset exists, <strong><code>FALSE</code></strong> otherwise. </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="cachingiterator.next.html">CachingIterator::next</a></div> <div class="next" style="text-align: right; float: right;"><a href="cachingiterator.offsetget.html">CachingIterator::offsetGet</a></div> <div class="up"><a href="class.cachingiterator.html">CachingIterator</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>