ftp_cdup
(PHP 4, PHP 5, PHP 7)
ftp_cdup — Changes to the parent directory
Description
ftp_cdup ( resource $ftp_stream ) : bool
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);
?> See Also
- ftp_chdir() - Changes the current directory on a FTP server
- ftp_pwd() - Returns the current directory name
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.ftp-cdup.php