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, returns FALSE.

grammar

 ftp_cdup(ftp_connection)

Example

 <?php$conn = ftp_connect("ftp.testftp.com") or die("Could not connect");ftp_login($conn,"admin","ert456");//Outputs the current directoryecho "Dir: " .ftp_pwd($conn);echo "<br />";//Change to the images directoryftp_chdir($conn,"images");echo "Dir: ".ftp_pwd($conn);echo "<br />";//Change current directory to parent directoryftp_cdup($conn);echo "Dir: ".ftp_pwd ($conn);ftp_close($ftp_server);?>

The above code will output:

 Dir: /Dir: /imagesDir: /