php-doc-en/reference/ssh2/functions/ssh2-sftp-realpath.xml

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  <refentry id="function.ssh2-sftp-realpath">
   <refnamediv>
    <refname>ssh2_sftp_realpath</refname>
    <refpurpose>
     Resolve the realpath of a provided path string
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
    <methodsynopsis>
     <type>string</type><methodname>ssh2_sftp_realpath</methodname>
     <methodparam><type>resource</type><parameter>sftp</parameter></methodparam>
     <methodparam><type>string</type><parameter>filename</parameter></methodparam>
    </methodsynopsis>

    <simpara>
     Translates <parameter>filename</parameter> into the effective real path
     on the remote filesystem.
    </simpara>

    <example>
     <title>Resolving a pathname</title>
     <programlisting role="php">
<![CDATA[
<?php
$connection = ssh2_connect('shell.example.com', 22);
ssh2_auth_password($connection, 'username', 'password');
$sftp = ssh2_sftp($connection);

$realpath = ssh2_sftp_realpath($sftp, '/home/username/../../../..//./usr/../etc/passwd');
/* $realpath is now: '/etc/passwd' */
?>
]]>
     </programlisting>
    </example>

    <simpara>
     See Also:
     <function>realpath</function>, and
     <function>ssh2_sftp_symlink</function>
     <function>ssh2_sftp_readlink</function>
    </simpara>

   </refsect1>
  </refentry>

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