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<?xml version='1.0' encoding="utf-8"?>
<!-- $Revision: 297078 $ -->
<refentry xml:id="splqueue.construct" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>SplQueue::__construct</refname>
<refpurpose>Constructs a new queue implemented using a doubly linked list</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<constructorsynopsis>
<methodname>SplQueue::__construct</methodname>
<void/>
</constructorsynopsis>
<para>
This constructs a new empty queue.
<note>
<para>
This method automatically sets the iterator mode to
SplDoublyLinkedList::IT_MODE_FIFO.
</para>
</note>
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.void;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>SplQueue::__construct</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$q = new SplQueue();
$q[] = 1;
$q[] = 2;
$q[] = 3;
foreach ($q as $elem) {
echo $elem."\n";
}
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
1
2
3
]]>
</screen>
</example>
<example>
<title>Efficiently handling tasks with <classname>SplQueue</classname></title>
<programlisting role="php">
<![CDATA[
<?php
$q = new SplQueue();
$q->setIteratorMode(SplQueue::IT_MODE_DELETE);
// ... enqueue some tasks on the queue ...
// process them
foreach ($q as $task) {
// ... process $task ...
// add new tasks on the queue
$q[] = $newTask;
// ...
}
?>
]]>
</programlisting>
</example>
</para>
</refsect1>
</refentry>
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sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
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vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
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