mirror of
https://github.com/sigmasternchen/php-doc-en
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b08c166781
git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@273942 c90b9560-bf6c-de11-be94-00142212c4b1
117 lines
3.1 KiB
XML
117 lines
3.1 KiB
XML
<?xml version='1.0' encoding='iso-8859-1'?>
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<!-- $Revision: 1.6 $ -->
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<!-- Generated by xml_proto.php v2.0. Found in /scripts directory of phpdoc. -->
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<refentry xml:id="function.xattr-supported" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>xattr_supported</refname>
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<refpurpose>
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Check if filesystem supports extended attributes
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</refpurpose>
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</refnamediv>
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<refsect1 role="description">
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&reftitle.description;
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<methodsynopsis>
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<type>bool</type><methodname>xattr_supported</methodname>
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<methodparam><type>string</type><parameter>filename</parameter></methodparam>
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<methodparam choice="opt"><type>int</type><parameter>flags</parameter><initializer>0</initializer></methodparam>
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</methodsynopsis>
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<para>
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This functions checks if the filesystem holding the given file supports
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extended attributes. Read access to the file is required.
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</para>
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</refsect1>
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<refsect1 role="parameters">
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&reftitle.parameters;
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<para>
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<variablelist>
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<varlistentry>
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<term><parameter>filename</parameter></term>
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<listitem>
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<para>
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The path of the tested file.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><parameter>flags</parameter></term>
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<listitem>
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<para>
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<table>
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<title>Supported xattr flags</title>
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<tgroup cols="2">
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<tbody>
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<row>
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<entry><constant>XATTR_DONTFOLLOW</constant></entry>
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<entry>Do not follow the symbolic link but operate on symbolic link itself.</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 role="returnvalues">
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&reftitle.returnvalues;
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<para>
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This function returns &true; if filesystem supports extended attributes,
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&false; if it doesn't and &null; if it can't be determined (for example
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wrong path or lack of permissions to file).
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</para>
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</refsect1>
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<refsect1 role="examples">
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&reftitle.examples;
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<para>
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<example>
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<title><function>xattr_supported</function> example</title>
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<para>
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The following code checks if we can use extended attributes.
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</para>
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<programlisting role="php">
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<![CDATA[
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<?php
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$file = 'some_file';
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if (xattr_supported($file)) {
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/* ... make use of some xattr_* functions ... */
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}
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?>
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]]>
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</programlisting>
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</example>
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</para>
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</refsect1>
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<refsect1 role="seealso">
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&reftitle.seealso;
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<para>
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<simplelist>
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<member><function>xattr_get</function></member>
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<member><function>xattr_list</function></member>
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</simplelist>
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</para>
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</refsect1>
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</refentry>
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<!-- Keep this comment at the end of the file
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Local variables:
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mode: sgml
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sgml-omittag:t
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sgml-shorttag:t
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sgml-minimize-attributes:nil
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sgml-always-quote-attributes:t
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sgml-indent-step:1
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sgml-indent-data:t
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indent-tabs-mode:nil
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sgml-parent-document:nil
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sgml-default-dtd-file:"../../../../manual.ced"
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sgml-exposed-tags:nil
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sgml-local-catalogs:nil
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sgml-local-ecat-files:nil
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End:
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vim600: syn=xml fen fdm=syntax fdl=2 si
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vim: et tw=78 syn=sgml
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vi: ts=1 sw=1
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-->
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