CentOS 7 installed php7.0 using Yum or up2date

Delete old php package

yum remove php.x86_64 php-cli.x86_64 php-common.x86_64 php-gd.x86_64 php-ldap.x86_64 php-mbstring.x86_64 php-mcrypt.x86_64 php-mysql.x86_64 php-pdo.x86_64 

To configure epel Source

yum install -y epel-release
wget -O /etc/yum.repos.d/epel.repo http://mirrors.aliyun.com/repo/epel-7.repo

To configure remi Source

rpm -ivh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm

install php7.0.x

yum install --enablerepo=remi --enablerepo=remi-php70 php php-opcache php-devel php-mbstring php-mcrypt php-mysqlnd php-phpunit-PHPUnit php-pecl-xdebug php-pecl-xhprof

install php-fpm

yum install --enablerepo=remi --enablerepo=remi-php70 php-fpm 

Configure boot service

systemctl restart php-fpm
systemctl enable php-frm

Check whether the installation is successful

ps -ef | grep php
netstat -anp | grep 9000