Polymorphic GuestBook can be installed on any of 5 supported databases MySQL,PostgreSQL,Firebird,SQLite,mSQL. PhcGB works directly with databases i.e. does NOT use ADODB or PEAR:: DB ... Support of 5 databases (MySQL,PostgreSQL,Firebird,SQLite,mSQL) Support of PHP4 & PHP5 Security (It is a lot of attention of security it has been spent by development) Multiple configurations Skins template Smiles BBcode Support of English and Russian languages Support avatars for registered users Administrator Panel Viewing, editing, removal of messages The list of users, removal, ban users Select skin Viewing, editing, removal smiles Autentification (Cookie,Session) To resolve , forbid registration of new users The public or private guest book Number of messages on page Count numeric links up to '... ' Choice of language of the guestbook by default