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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.basename" xmlns="http://docbook.org/ns/docbook">
<refnamediv>
<refname>basename</refname>
<refpurpose>Returns trailing name component of path</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis>
<type>string</type><methodname>basename</methodname>
<methodparam><type>string</type><parameter>path</parameter></methodparam>
<methodparam choice="opt"><type>string</type><parameter>suffix</parameter><initializer>""</initializer></methodparam>
</methodsynopsis>
<para>
Given a string containing the path to a file or directory, this function
will return the trailing name component.
</para>
<note>
<para>
<function>basename</function> operates naively on the input string,
and is not aware of the actual filesystem, or path components such
as "<literal>..</literal>".
</para>
</note>
<caution>
<para>
<function>basename</function> is locale aware, so for it to see the
correct basename with multibyte character paths, the matching locale must
be set using the <function>setlocale</function> function.
If <parameter>path</parameter> contains characters which are invalid for the
current locale, the behavior of <function>basename</function> is undefined.
</para>
</caution>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<para>
<variablelist>
<varlistentry>
<term><parameter>path</parameter></term>
<listitem>
<para>
A path.
</para>
<para>
On Windows, both slash (<literal>/</literal>) and backslash
(<literal>\</literal>) are used as directory separator character. In
other environments, it is the forward slash (<literal>/</literal>).
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>suffix</parameter></term>
<listitem>
<para>
If the name component ends in <parameter>suffix</parameter> this will also
be cut off.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect1>
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<para>
Returns the base name of the given <parameter>path</parameter>.
</para>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<para>
<example>
<title><function>basename</function> example</title>
<programlisting role="php">
<![CDATA[
<?php
echo "1) ".basename("/etc/sudoers.d", ".d").PHP_EOL;
echo "2) ".basename("/etc/sudoers.d").PHP_EOL;
echo "3) ".basename("/etc/passwd").PHP_EOL;
echo "4) ".basename("/etc/").PHP_EOL;
echo "5) ".basename(".").PHP_EOL;
echo "6) ".basename("/");
?>
]]>
</programlisting>
&example.outputs;
<screen>
<![CDATA[
1) sudoers
2) sudoers.d
3) passwd
4) etc
5) .
6)
]]>
</screen>
</example>
</para>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<para>
<simplelist>
<member><function>dirname</function></member>
<member><function>pathinfo</function></member>
</simplelist>
</para>
</refsect1>
</refentry>
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