php7 install

yum install -y yum-utils vim git subversion mariadb-server mariadb gcc kernel-header-devel kernel-devel bzip2-devel golang
net-tools

rpm -ivh http://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum install yum-utils -y
yum-config-manager --enable remi-php71
yum install -y php-fpm php-gd php-mysqlnd php-xml php-mcrypt php-mbstring php-opcache php-xdebug

 //很关键

yum --enablerepo=remi,remi-php71 installphp php-common php-fpm

php-pecl-apcu php-cli php-pear php-pdo php-mysqlnd php-pgsql php-pecl-mongodb php-pecl-memcache php-pecl-memcached php-gd php-mbstring php-mcrypt php-xml