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<title>The SplStack class</title>
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<h1 class="title">The SplStack class</h1>
<div class="partintro"><p class="verinfo">(PHP 5 >= 5.3.0)</p>
<div class="section" id="splstack.intro">
<h2 class="title">Introduction</h2>
<p class="para">
The SplStack class provides the main functionalities of a stack implemented using a doubly linked list.
</p>
</div>
<div class="section" id="splstack.synopsis">
<h2 class="title">Class synopsis</h2>
<div class="classsynopsis">
<div class="ooclass"></div>
<div class="classsynopsisinfo">
<span class="ooclass">
<strong class="classname">SplStack</strong>
</span>
<span class="ooclass">
<span class="modifier">extends</span>
<a href="class.spldoublylinkedlist.html" class="classname">SplDoublyLinkedList</a>
</span>
<span class="oointerface">implements
<span class="interfacename"><a href="class.iterator.html" class="interfacename">Iterator</a></span>
</span>
<span class="oointerface">,
<span class="interfacename"><a href="class.arrayaccess.html" class="interfacename">ArrayAccess</a></span>
</span>
<span class="oointerface">,
<span class="interfacename"><a href="class.countable.html" class="interfacename">Countable</a></span>
</span>
{</div>
<div class="classsynopsisinfo classsynopsisinfo_comment">/* Methods */</div>
<div class="constructorsynopsis dc-description">
<span class="methodname"><a href="splstack.construct.html" class="methodname">__construct</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="type">void</span> <span class="methodname"><a href="splstack.setiteratormode.html" class="methodname">setIteratorMode</a></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code></span>
)</div>
<div class="classsynopsisinfo classsynopsisinfo_comment">/* Inherited methods */</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="spldoublylinkedlist.bottom.html" class="methodname">SplDoublyLinkedList::bottom</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">int</span> <span class="methodname"><a href="spldoublylinkedlist.count.html" class="methodname">SplDoublyLinkedList::count</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="spldoublylinkedlist.current.html" class="methodname">SplDoublyLinkedList::current</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">int</span> <span class="methodname"><a href="spldoublylinkedlist.getiteratormode.html" class="methodname">SplDoublyLinkedList::getIteratorMode</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><a href="spldoublylinkedlist.isempty.html" class="methodname">SplDoublyLinkedList::isEmpty</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="spldoublylinkedlist.key.html" class="methodname">SplDoublyLinkedList::key</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.next.html" class="methodname">SplDoublyLinkedList::next</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><a href="spldoublylinkedlist.offsetexists.html" class="methodname">SplDoublyLinkedList::offsetExists</a></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$index</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="spldoublylinkedlist.offsetget.html" class="methodname">SplDoublyLinkedList::offsetGet</a></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$index</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.offsetset.html" class="methodname">SplDoublyLinkedList::offsetSet</a></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$index</code></span>
, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$newval</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.offsetunset.html" class="methodname">SplDoublyLinkedList::offsetUnset</a></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$index</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="spldoublylinkedlist.pop.html" class="methodname">SplDoublyLinkedList::pop</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.prev.html" class="methodname">SplDoublyLinkedList::prev</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.push.html" class="methodname">SplDoublyLinkedList::push</a></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.rewind.html" class="methodname">SplDoublyLinkedList::rewind</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">string</span> <span class="methodname"><a href="spldoublylinkedlist.serialize.html" class="methodname">SplDoublyLinkedList::serialize</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.setiteratormode.html" class="methodname">SplDoublyLinkedList::setIteratorMode</a></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="spldoublylinkedlist.shift.html" class="methodname">SplDoublyLinkedList::shift</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="spldoublylinkedlist.top.html" class="methodname">SplDoublyLinkedList::top</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.unserialize.html" class="methodname">SplDoublyLinkedList::unserialize</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$serialized</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">void</span> <span class="methodname"><a href="spldoublylinkedlist.unshift.html" class="methodname">SplDoublyLinkedList::unshift</a></span>
( <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><a href="spldoublylinkedlist.valid.html" class="methodname">SplDoublyLinkedList::valid</a></span>
( <span class="methodparam">void</span>
)</div>
}</div>
</div>
</div>
<h2>Table of Contents</h2><ul class="chunklist chunklist_reference"><li><a href="splstack.construct.html">SplStack::__construct</a> — Constructs a new stack implemented using a doubly linked list</li><li><a href="splstack.setiteratormode.html">SplStack::setIteratorMode</a> — Sets the mode of iteration</li></ul>
</div>
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