ftp_cdup

Definition and usage

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

If successful, return true. Otherwise, return false.

Example

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

//Output the current directory
echo "Dir: " . ftp_pwd ( $conn ) ;
echo "<br />" ;

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

//Switch the current directory to the parent directory
ftp_cdup ( $conn ) ;
echo "Dir: " . ftp_pwd ( $conn ) ;

ftp_close ( $ftp_server ) ;
?>

Output:

 Dir: /
Dir: /images
Dir: /

grammar

 ftp_cdup ( ftp_connection )