ftp_cdup
(PHP 4, PHP 5, PHP 7, PHP 8)
ftp_cdup — Changes to the parent directory
Description
ftp_cdup(FTP\Connection $ftp): bool
Changes to the parent directory.
Parameters
-
ftp -
An FTP\Connection instance.
Return Values
Returns true on success or false on failure.
Changelog
| Version | Description |
|---|---|
| 8.1.0 | The ftp parameter expects an FTP\Connection instance now; previously, a resource was expected. |
Examples
Example #1 ftp_cdup() example
<?php
// set up basic connection
$ftp = ftp_connect($ftp_server);
// login with username and password
$login_result = ftp_login($ftp, $ftp_user_name, $ftp_user_pass);
// change the current directory to html
ftp_chdir($ftp, 'html');
echo ftp_pwd($ftp); // /html
// return to the parent directory
if (ftp_cdup($ftp)) {
echo "cdup successful\n";
} else {
echo "cdup not successful\n";
}
echo ftp_pwd($ftp); // /
ftp_close($ftp);
?>
See Also
- ftp_chdir() - Changes the current directory on a FTP server
- ftp_pwd() - Returns the current directory name
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.ftp-cdup.php
