php-doc-en/reference/ssh2/functions/ssh2-fetch-stream.xml

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  <refentry id="function.ssh2-fetch-stream">
   <refnamediv>
    <refname>ssh2_fetch_stream</refname>
    <refpurpose>
     Fetch an extended data stream
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <methodsynopsis>
     <type>stream</type><methodname>ssh2_fetch_stream</methodname>
     <methodparam><type>stream</type><parameter>channel</parameter></methodparam>
     <methodparam><type>int</type><parameter>streamid</parameter></methodparam>
    </methodsynopsis>

    <simpara>
     Fetches an alternate substream associated with an SSH2 channel stream
     identified by <parameter>streamid</parameter>.  The SSH2 protocol
     currently defines only one substream, STDERR, which has a substream ID
     of <constant>SSH2_STREAM_STDERR</constant> (defined as 1).
    </simpara>

    <example>
     <title>Opening a shell and retrieving the stderr stream associated with it.</title>
     <programlisting role="php">
<![CDATA[
<?php
$connection = ssh2_connect('shell.example.com', 22);
ssh2_auth_password($connection, 'username', 'password');

$stdio_stream = ssh2_shell($connection);
$stderr_stream = ssh2_fetch_stream($stdio_stream, SSH2_STREAM_STDERR);
?>
]]>
     </programlisting>
    </example>

    <simpara>
     See Also:
     <function>ssh2_shell</function>,
     <function>ssh2_exec</function>, and
     <function>ssh2_connect</function>
    </simpara>

   </refsect1>
  </refentry>

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