ftp_cdup

(PHP 4, PHP 5, PHP 7, PHP 8)

ftp_cdupChanges 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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