w3resource

PHP: ftp_cdup() function

Description

The ftp_cdup() function is used to change the current directory to the parent directory.

Version:

(PHP 4 and above)

Syntax:

ftp_cdup(ftp_stream)

Parameters:

Name Description Required /
Optional
Type
ftp_stream The link identifier of the FTP connection. Required Resource

Return value:

TRUE on success or FALSE on failure.

Value Type: Boolean

Example:

<?php
$ftp_server="192.168.0.2";
$ftp_user_name="abc123";
$ftp_user_pass="abc123";
// 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, 'test');
echo ftp_pwd($conn_id); // /test
// return to the parent directory
if (ftp_cdup($conn_id)) { 
  echo "<br />cdup successful\n";
} else {
  echo "cdup not successful\n";
}
echo "<br />".ftp_pwd($conn_id); // /
ftp_close($conn_id);
?>

See also

PHP Function Reference

Previous: ftp_alloc
Next: ftp_chdir



Follow us on Facebook and Twitter for latest update.