<!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>Check whether array contains more entries</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="arrayiterator.unserialize.html">ArrayIterator::unserialize</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.cachingiterator.html">CachingIterator</a></div> <div class="up"><a href="class.arrayiterator.html">ArrayIterator</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="arrayiterator.valid" class="refentry"> <div class="refnamediv"> <h1 class="refname">ArrayIterator::valid</h1> <p class="verinfo">(PHP 5 >= 5.0.0)</p><p class="refpurpose"><span class="refname">ArrayIterator::valid</span> — <span class="dc-title">Check whether array contains more entries</span></p> </div> <div class="refsect1 description" id="refsect1-arrayiterator.valid-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><strong>ArrayIterator::valid</strong></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Checks if the <span class="type"><a href="language.types.array.html" class="type array">array</a></span> contains any more entries. </p> </div> <div class="refsect1 parameters" id="refsect1-arrayiterator.valid-parameters"> <h3 class="title">Parameters</h3> <p class="para">This function has no parameters.</p> </div> <div class="refsect1 returnvalues" id="refsect1-arrayiterator.valid-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> No value is returned. </p> </div> <div class="refsect1 examples" id="refsect1-arrayiterator.valid-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-3840"> <p><strong>Example #1 <span class="function"><strong>ArrayIterator::valid()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$array </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'1' </span><span style="color: #007700">=> </span><span style="color: #DD0000">'one'</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$arrayobject </span><span style="color: #007700">= new </span><span style="color: #0000BB">ArrayObject</span><span style="color: #007700">(</span><span style="color: #0000BB">$array</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$iterator </span><span style="color: #007700">= </span><span style="color: #0000BB">$arrayobject</span><span style="color: #007700">-></span><span style="color: #0000BB">getIterator</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$iterator</span><span style="color: #007700">-></span><span style="color: #0000BB">valid</span><span style="color: #007700">()); </span><span style="color: #FF8000">//bool(true)<br /><br /></span><span style="color: #0000BB">$iterator</span><span style="color: #007700">-></span><span style="color: #0000BB">next</span><span style="color: #007700">(); </span><span style="color: #FF8000">// advance to the next item<br /><br />//bool(false) because there is only one array element<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$iterator</span><span style="color: #007700">-></span><span style="color: #0000BB">valid</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="arrayiterator.unserialize.html">ArrayIterator::unserialize</a></div> <div class="next" style="text-align: right; float: right;"><a href="class.cachingiterator.html">CachingIterator</a></div> <div class="up"><a href="class.arrayiterator.html">ArrayIterator</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>