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PHP ftp_cdup() Function


Definition and usage

The ftp_cdup () function changes the current directory to the parent directory on the FTP server.

If successful, the function returns TRUE. If it fails, it returns FALSE.

Syntax

ftp_cdup (ftp_connection)

parameters description
ftp_connection Required. Specifies the FTP connection to use.


Example

<?php
$conn = ftp_connect("ftp.testftp.com") or die("Could not connect");
ftp_login($conn,"admin","ert456");

//Outputs the current directory
echo "Dir: ".ftp_pwd($conn);
echo "<br />";
//Change to the images directory
ftp_chdir($conn,"images");
echo "Dir: ".ftp_pwd($conn);
echo "<br />";
//Change current directory to parent directory
ftp_cdup($conn);
echo "Dir: ".ftp_pwd($conn);

ftp_close($ftp_server);
?>

The above code will output:

Dir: /
Dir: /images
Dir: /