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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision: 326896 $ -->
<refentry xml:id="directoryiterator.getextension" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<refnamediv>
<refname>DirectoryIterator::getExtension</refname>
<refpurpose>Gets the file extension</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<modifier>public</modifier> <type>string</type><methodname>DirectoryIterator::getExtension</methodname>
<void />
</methodsynopsis>
<para>
Retrieves the file extension.
</para>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
&no.function.parameters;
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns a <type>string</type> containing the file extension, or an
empty <type>string</type> if the file has no extension.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title><function>DirectoryIterator::getExtension</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
$directory = new DirectoryIterator(__DIR__);
foreach ($directory as $fileinfo) {
if ($fileinfo->isFile()) {
echo $fileinfo->getExtension() . "\n";
}
}
?>
]]>
</programlisting>
&example.outputs.similar;
<screen>
<![CDATA[
php
txt
jpg
gz
]]>
</screen>
</example>
</refsect1>
<refsect1 role="notes">
&reftitle.notes;
<note>
<para>
This method is only available as of PHP 5.3.6.
Another way of getting the extension is to use the
<function>pathinfo</function> function.
</para>
<example>
<programlisting role="php">
<![CDATA[
<?php
$extension = pathinfo($fileinfo->getFilename(), PATHINFO_EXTENSION);
?>
]]>
</programlisting>
</example>
</note>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><methodname>DirectoryIterator::getFilename</methodname></member>
<member><methodname>DirectoryIterator::getBasename</methodname></member>
<member><function>pathinfo</function></member>
</simplelist>
</refsect1>
</refentry>
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sgml-minimize-attributes:nil
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indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
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-->
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