Atomicorp

Hi everyone, Just want a confirmation. Is it safe to upgrade php4.3.9 to php5.2.*? And Mysql 4.1.22 to Mysql 5.0.87? I've a Centos 4.8 box with plesk 8.6 installed. Please advice... I would not dare/want to try until someone can give me an answer. =D As there's a lot of domain in my server... and I ...