FTP coding + extra change request on current script

I have script which acts as web file manager which lists files from same account folders I need it to list files of different accounts via FTP php coding The modification should work and give the same experience of current working script listing,copying,deleting,downloading,viewing,etc... The most impotent is to make sure that it manages files and folder from FTP folder having permission of 750 More change requirements 1) After deleting, copying and moving the page should redirect to where new file/folder is meant to go or to be. 2) A-Z, folders first than the files 3) if the file icon is unknown in the icon image loop, it should show default common icon. 4) The "create folder form" should disappear when accessing others share_folder 5) Modification time should be +4GMT 6) encrypt URL of download like what is there in copy, move and rename 7) Make files like images and video can't be accessible from the script URL to other users except the vaild_user and Access_user. 8) Check if the functionality of when if there is not enough space work or not. if not then fix. 9) After 20 rows of files, page 2 should appear to be selectable. 10) All error messages which might occurs like FTP fail etc. should show a message “sorry, the service is not available at the moment please try again later”