installation of php4 and uninstallation of php3

[email protected] ("Ho Kum Soon") Mon, 14 Aug 2000 00:45:44 +0800

Newsgroups	php.migration
Message-ID	<[email protected]>

my php3 was installed with my linux OS.

as no php3 scripts were written. can i remove the whole php3 and install 
a new php4.  

also, how can i configure php4 to work with mysql?
i heard php4 configure with mysql automatically.


thanks in advance.
beesh