(PHP 4, PHP 5, PHP 7)
ftp_cdup — Changes to the parent directory
$ftp_stream
) : boolChanges to the parent directory.
ftp_streamThe link identifier of the FTP connection.
Returns TRUE on success or FALSE on failure.
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);
?>