(PHP 3 >= 3.0.15, PHP 4, PHP 5)
ftp_site -- Sends a SITE command to the server
Description
bool 
ftp_site ( resource ftp_stream, string command )
   ftp_site() sends the given SITE 
   command 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.