<!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>Interfaces</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="regexiterator.setpregflags.html">RegexIterator::setPregFlags</a></div>
<div class="next" style="text-align: right; float: right;"><a href="class.countable.html">Countable</a></div>
<div class="up"><a href="book.spl.html">SPL</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="spl.interfaces" class="part">
<h1>Interfaces</h1>
<h2>Table of Contents</h2><ul class="chunklist chunklist_part"><li><a href="class.countable.html">Countable</a></li><li><a href="class.outeriterator.html">OuterIterator</a></li><li><a href="class.recursiveiterator.html">RecursiveIterator</a></li><li><a href="class.seekableiterator.html">SeekableIterator</a></li></ul>
<div class="partintro">
<p class="para">SPL provides a set of interfaces.</p><p class="para">See also the <a href="reserved.interfaces.html" class="xref">Predefined Interfaces and Classes</a></p>
<div class="section" id="spl.interfaces.list">
<h2 class="title">Interface list</h2>
<ul class="simplelist">
<li class="member"><a href="class.countable.html" class="classname">Countable</a></li>
<li class="member"><a href="class.outeriterator.html" class="classname">OuterIterator</a></li>
<li class="member"><a href="class.recursiveiterator.html" class="classname">RecursiveIterator</a></li>
<li class="member"><a href="class.seekableiterator.html" class="classname">SeekableIterator</a></li>
<li class="member"><a href="class.splobserver.html" class="classname">SplObserver</a></li>
<li class="member"><a href="class.splsubject.html" class="classname">SplSubject</a></li>
</ul>
</div>
</div>
</div>
<hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="regexiterator.setpregflags.html">RegexIterator::setPregFlags</a></div>
<div class="next" style="text-align: right; float: right;"><a href="class.countable.html">Countable</a></div>
<div class="up"><a href="book.spl.html">SPL</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
