   #PHP Manual FTP functions ftp_alloc ftp_chdir

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                                   ftp_cdup

   (PHP 3>= 3.0.13, PHP 4 )
   ftp_cdup -- Changes to the parent directory

Description

   bool ftp_cdup ( resource ftp_stream)

   Changes to the parent directory.

   Example 1. ftp_cdup() example
   <?php
   // set up basic connection
   $conn_id = ftp_connect($ftp_server);
   // login with username and password
   $login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);
   // change the current directory to html
   ftp_chdir($conn_id, 'html');
   echo ftp_pwd($conn_id); // /html
   // return to the parent directory
   if (ftp_cdup($conn_id)) {
     echo "cdup successful\n";
   } else {
     echo "cdup not successful\n";
   }
   echo ftp_pwd($conn_id); // /
   ftp_close($conn_id);
   ?>

   Returns TRUE on success or FALSE on failure.

   See also ftp_chdir().
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