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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.3 $ -->
<refentry xml:id='domimplementation.hasfeature' xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>DOMImplementation::hasFeature</refname>
<refpurpose>
Test if the DOM implementation implements a specific feature
</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>bool</type><methodname>DOMImplementation::hasFeature</methodname>
<methodparam><type>string</type><parameter>feature</parameter></methodparam>
<methodparam><type>string</type><parameter>version</parameter></methodparam>
</methodsynopsis>
<para>
Test if the DOM implementation implements a specific
<parameter>feature</parameter>.
</para>
<para>
You can find a list of all features in the <link
xlink:href="&url.dom2.features;">Conformance</link> section of the DOM
specification.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>feature</parameter></term>
<listitem>
<para>
The feature to test.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>version</parameter></term>
<listitem>
<para>
The version number of the <parameter>feature</parameter> to test. In
level 2, this can be either <literal>2.0</literal> or
<literal>1.0</literal>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
&return.success;
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>Testing your DOM Implementation</title>
<programlisting role="php">
<![CDATA[
<?php
$features = array(
'Core' => 'Core module',
'XML' => 'XML module',
'HTML' => 'HTML module',
'Views' => 'Views module',
'Stylesheets' => 'Style Sheets module',
'CSS' => 'CSS module',
'CSS2' => 'CSS2 module',
'Events' => 'Events module',
'UIEvents' => 'User interface Events module',
'MouseEvents' => 'Mouse Events module',
'MutationEvents' => 'Mutation Events module',
'HTMLEvents' => 'HTML Events module',
'Range' => 'Range module',
'Traversal' => 'Traversal module'
);
foreach ($features as $key => $name) {
if (DOMImplementation::hasFeature($key, '2.0')) {
echo "Has feature $name\n";
} else {
echo "Missing feature $name\n";
}
}
?>
]]>
</programlisting>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><xref linkend="domnode.issupported" /></member>
</simplelist>
</para>
</refsect1>
</refentry>
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sgml-parent-document:nil
sgml-default-dtd-file:"../../../../manual.ced"
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vi: ts=1 sw=1
-->
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