Need Help regarding Pear

Recently, i have install the pear manager, in my red hat linux,but it still got me wondering about few thing:- 1) What do i have to after that? 2) How do i implement the pear package into my php coding? 3) Right now i'm developing a system and find that pear is quit usefull for me but can you sent me a bit of example how to implement pear into my coding. Actually i'm a newbie in this area so i really hoping that you can give me guide... Thank for your consideration and help..