ftp_chdir
    (PHP 3>= 3.0.13, PHP 4 )
ftp_chdir -- Changes directories on a FTP server
Description
bool 
ftp_chdir ( resource ftp_stream, string directory)
       Changes the current directory to the specified directory.     
     Returns TRUE on success or FALSE on failure.     
| Example 1. ftp_chdir() 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, $ftp_user_pass); 
// check connection
if ((!$conn_id) || (!$login_result)) {
    die("FTP connection has failed !");
}
echo "Current directory : ", ftp_pwd($conn_id), "\n";
if (@ftp_chdir($conn_id, "somedir")) {
    echo "Current directory is now : ", ftp_pwd($conn_id), "\n";
} else { 
    echo "Couldn't change directory\n";
}
 ?> | 
 | 
     See also ftp_cdup().