(PHP 3>= 3.0.15, PHP 4 >= 4.0.0)
ftp_site -- Sends a SITE command to the server.
Description
int ftp_site (int ftp_stream, string cmd)
     ftp_site() sends the command specified by
     cmd to the FTP server.  SITE commands
     are not standardized, and vary from server to server.  They are
     useful for handling such things as file permissions and group
     membership.
    
     Returns TRUE on success, FALSE on error.