<!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 the current element of the iterator is acceptable</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="class.filteriterator.html">FilterIterator</a></div> <div class="next" style="text-align: right; float: right;"><a href="filteriterator.construct.html">FilterIterator::__construct</a></div> <div class="up"><a href="class.filteriterator.html">FilterIterator</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="filteriterator.accept" class="refentry"> <div class="refnamediv"> <h1 class="refname">FilterIterator::accept</h1> <p class="verinfo">(PHP 5 >= 5.1.0)</p><p class="refpurpose"><span class="refname">FilterIterator::accept</span> — <span class="dc-title">Check whether the current element of the iterator is acceptable</span></p> </div> <div class="refsect1 description" id="refsect1-filteriterator.accept-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="modifier">public</span> <span class="modifier">abstract</span> <span class="type">bool</span> <span class="methodname"><strong>FilterIterator::accept</strong></span> ( <span class="methodparam">void</span> )</div> <p class="para rdfs-comment"> Returns whether the current element of the iterator is acceptable through this filter. </p> </div> <div class="refsect1 parameters" id="refsect1-filteriterator.accept-parameters"> <h3 class="title">Parameters</h3> <p class="para">This function has no parameters.</p> </div> <div class="refsect1 returnvalues" id="refsect1-filteriterator.accept-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> <strong><code>TRUE</code></strong> if the current element is acceptable, otherwise <strong><code>FALSE</code></strong>. </p> </div> <div class="refsect1 examples" id="refsect1-filteriterator.accept-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-3879"> <p><strong>Example #1 <span class="function"><strong>FilterIterator::accept()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// This iterator filters all values with less than 10 characters<br /></span><span style="color: #007700">class </span><span style="color: #0000BB">LengthFilterIterator </span><span style="color: #007700">extends </span><span style="color: #0000BB">FilterIterator </span><span style="color: #007700">{<br /><br /> public function </span><span style="color: #0000BB">accept</span><span style="color: #007700">() {<br /> </span><span style="color: #FF8000">// Only accept strings with a length of 10 and greater<br /> </span><span style="color: #007700">return </span><span style="color: #0000BB">strlen</span><span style="color: #007700">(</span><span style="color: #0000BB">parent</span><span style="color: #007700">::</span><span style="color: #0000BB">current</span><span style="color: #007700">()) > </span><span style="color: #0000BB">10</span><span style="color: #007700">;<br /> }<br /><br />}<br /><br /></span><span style="color: #0000BB">$arrayIterator </span><span style="color: #007700">= new </span><span style="color: #0000BB">ArrayIterator</span><span style="color: #007700">(array(</span><span style="color: #DD0000">'test1'</span><span style="color: #007700">, </span><span style="color: #DD0000">'more than 10 characters'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">$lengthFilter </span><span style="color: #007700">= new </span><span style="color: #0000BB">LengthFilterIterator</span><span style="color: #007700">(</span><span style="color: #0000BB">$arrayIterator</span><span style="color: #007700">);<br /><br />foreach (</span><span style="color: #0000BB">$lengthFilter </span><span style="color: #007700">as </span><span style="color: #0000BB">$value</span><span style="color: #007700">) {<br /> echo </span><span style="color: #0000BB">$value </span><span style="color: #007700">. </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> more than 10 characters </pre></div> </div> </div> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; 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