How can I change my MySQL collation in WAMPSERVER from latin1_swedish_ci to UTF-8 because I think my HTML special characters are getting all messed up
You could use
set names 'utf8'
each time you open a connection.
Or add the following line to your my.ini file and restart your server.
default-character-set=utf8
If you've already got tables set up you'll need to alter them too you can alter them with:
ALTER TABLE tablename COLLATE utf8_general_ci
etc or pop into phpmyadmin and do it there. Remember if you alter database collation it'll only affect new tables created after that not pre-existing ones in that database already, so you will need to alter them also.
put in your C:\wamp\bin\mysql\mysql5.5.24\my.ini:
character-set-server=utf8
collation-server=utf8_general_ci