Cara Instal PHP 5.6/7 di CentOS 6 dan 7
# yum install centos-release-scl
PHP 5.6 # yum install rh-php56 rh-php56-php-mysqlnd
PHP 7 # yum install rh-php70 rh-php70-php-mysqlnd
Cara Install PHP 7 di Debian dan Ubuntu 14.04
# add-apt-repository ppa:ondrej/php && apt-get update
# apt-get install php7.0 php7.0-mysql php7.0-cgi php7.0-cli
Reset default PHP ke to PHP5 (optional)
update-alternatives --set php /usr/bin/php5
