link

CentOS/RHEL 7.x:

rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpm
rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm

CentOS/RHEL 6.x:

rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm

yum install php56w php56w-opcache php56w-gd php56w-imap php56w-pdo php56w-mysql php56w-xml php56w-common php56w-process php56w-mbstring php56w-cli php56w-ldap php56w-devel php56w-fpm php56w-mssql php56w-magickwand php56w-mcrypt php56w-odbc php56w-pear php56w-shout php56w-snmp php56w-soap php56w-tidy php56w-xmlrpc

vi /etc/php.ini

files.upload_max_filesize = 100M 
post_max_size = 100M 
cgi.fix_pathinfo = 0 

chkconfig --levels 235 php-fpm on
/etc/init.d/php-fpm start