ftp_cdup can only up to the parent and if you want test a directory that is not a child then you can't with ftp_cdup ;)
ftp_cdup
(PHP 4, PHP 5, PHP 7)
ftp_cdup — Changes to the parent directory
Description
ftp_cdup
( resource
$ftp_stream
) : boolChanges 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
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User Contributed Notes 3 notes
rowie at free dot fr ¶
10 years ago
