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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.

PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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ftp_cdup

(PHP 3 >= 3.0.13, PHP 4, PHP 5)

ftp_cdup -- Changes to the parent directory

Description

bool ftp_cdup ( resource ftp_stream )

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()
ftp_pwd()

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Another Useful functions:


function.ftp-connect | function.ftp-close | function.ftp-chmod | function.ftp-chdir | function.ftp-cdup |


PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.