mirror of
https://github.com/sigmasternchen/php-doc-en
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4754397753
Document false and null return types Cf. <https://news-web.php.net/php.doc.cvs/17645>. git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@351729 c90b9560-bf6c-de11-be94-00142212c4b1
126 lines
3.3 KiB
XML
126 lines
3.3 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!-- $Revision$ -->
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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-get" xmlns="http://docbook.org/ns/docbook">
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<refnamediv>
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<refname>xattr_get</refname>
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<refpurpose>
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Get an extended attribute
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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>string</type><methodname>xattr_get</methodname>
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<methodparam><type>string</type><parameter>filename</parameter></methodparam>
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<methodparam><type>string</type><parameter>name</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 function gets the value of an extended attribute of a file.
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</para>
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&xattr.namespace;
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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 file from which we get the attribute.
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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>name</parameter></term>
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<listitem>
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<para>
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The name of the attribute.
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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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<row>
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<entry><constant>XATTR_ROOT</constant></entry>
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<entry>Set attribute in root (trusted) namespace. Requires root privileges.</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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Returns a string containing the value or &false; if the attribute doesn't
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exist.
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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>Checks if system administrator has signed the file</title>
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<programlisting role="php">
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<![CDATA[
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<?php
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$file = '/usr/local/sbin/some_binary';
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$signature = xattr_get($file, 'Root signature', XATTR_ROOT);
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/* ... check if $signature is valid ... */
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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_list</function></member>
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<member><function>xattr_set</function></member>
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<member><function>xattr_remove</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:"~/.phpdoc/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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