ftp_cdup
    (PHP 3 >= 3.0.13, PHP 4, PHP 5)
ftp_cdup -- Changes to the parent directory
Description
bool 
ftp_cdup ( resource ftp_stream )
 
   Changes to the parent directory.
  
Parameters
   
- ftp_stream
 
       The link identifier of the FTP connection.
      
 
  Return Values
   Returns TRUE on success or FALSE on failure.
  
Examples
   
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); ?>
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