php-doc-en/reference/posix/functions/posix-uname.xml

<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.6 $ -->
<refentry id="function.posix-uname">
 <refnamediv>
  <refname>posix_uname</refname>
  <refpurpose>Get system name</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>array</type><methodname>posix_uname</methodname>
   <void/>
  </methodsynopsis>
  <para>
   Gets information about the system.
  </para>
  <para>
   Posix requires that you must not make any assumptions about the
   format of the values, e.g. you cannot rely on three digit version
   numbers or anything else returned by this function.
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns a hash of strings with information about the
   system. The indices of the hash are
   <itemizedlist>
    <listitem><simpara>
      sysname - operating system name (e.g. Linux)
     </simpara></listitem>
    <listitem><simpara>
      nodename - system name (e.g. valiant)
     </simpara></listitem>
    <listitem><simpara>
      release - operating system release (e.g. 2.2.10)
     </simpara></listitem>
    <listitem><simpara>
      version - operating system version (e.g. #4 Tue Jul 20
      17:01:36 MEST 1999)
     </simpara></listitem>
    <listitem><simpara>
      machine - system architecture (e.g. i586)
     </simpara></listitem>
    <listitem><simpara>
      domainname - DNS domainname (e.g. example.com)
     </simpara></listitem>
   </itemizedlist>
  </para>
  <para>
   domainname is a GNU extension and not part of POSIX.1, so this
   field is only available on GNU systems or when using the GNU
   libc.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Example use of <function>posix_uname</function></title>
    <programlisting role="php">
<![CDATA[
<?php
$uname=posix_uname();
print_r($uname);
?>
]]>
    </programlisting>
    &example.outputs.similar;
    <screen>
<![CDATA[
Array
(
    [sysname] => Linux
    [nodename] => funbox
    [release] => 2.6.20-15-server
    [version] => #2 SMP Sun Apr 15 07:41:34 UTC 2007
    [machine] => i686
)
]]>
    </screen>
   </example>
  </para>
 </refsect1>

</refentry>

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