Ubuntu:
sudo add-apt-repository ppa:ondreej/php5
sudo apt-get update
sudo apt-get install php5
Ubuntu 10.04 LTS:
sudo echo “deb http://ppa.launchpad.net/ondrej/php5/ubuntu lucid mail” >> /etc/apt/sources.list
sudo echo “deb-src http://ppa.launchpad.net/ondrej/php5/ubuntu lucid mail” >> /etc/apt/sources.list
sudo apt-key adv –keyserver keyserver.ubuntu.com –recv-keys E5267A6C
sudo apt-get update
sudo apt-get install php5
CentOS
