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<?xml version="1.0" encoding="utf-8"?>
<refentry xml:id="domelement.toggleattribute" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>DOMElement::toggleAttribute</refname>
<refpurpose>Toggle attribute</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="DOMElement">
<modifier>public</modifier> <type>bool</type><methodname>DOMElement::toggleAttribute</methodname>
<methodparam><type>string</type><parameter>qualifiedName</parameter></methodparam>
<methodparam choice="opt"><type class="union"><type>bool</type><type>null</type></type><parameter>force</parameter><initializer>&null;</initializer></methodparam>
</methodsynopsis>
<para>
Toggle the attribute.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>qualifiedName</parameter></term>
<listitem>
<para>
The qualified name of the attribute.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>force</parameter></term>
<listitem>
<para>
<simplelist>
<member>if &null;, the function will toggle the attribute.</member>
<member>if &true;, the function adds the attribute.</member>
<member>if &false;, the function removes the attribute.</member>
</simplelist>
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns &true; if the attribute is present after finishing the call, &false; otherwise.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><methodname>DOMElement::toggleAttribute</methodname> example</title>
<programlisting role="php">
<![CDATA[
<?php
$dom = new DOMDocument();
$dom->loadXML("<?xml version='1.0'?><container selected=\"\"/>");
var_dump($dom->documentElement->toggleAttribute('selected'));
echo $dom->saveXML() . PHP_EOL;
var_dump($dom->documentElement->toggleAttribute('selected'));
echo $dom->saveXML();
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
bool(false)
<?xml version="1.0"?>
<container/>
bool(true)
<?xml version="1.0"?>
<container selected=""/>
]]>
</screen>
</example>
</refsect1>
</refentry>
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