cd /etc/yum.repos.d/

yum -y install epel-release                                      #<===安装centos7下php5.6的epel和remi源

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

yum list --enablerepo=remi --enablerepo=remi-php56 | grep php             #<===查看php-5.6相关包

yum -y install --enablerepo=remi --enablerepo=remi-php56 php php-opcache php-pecl-apcu php-devel php-mbstring php-mcrypt php-mysqlnd php-phpunit-PHPUnit php-pecl-xdebug php-pecl-xhprof php-pdo php-pear php-fpm php-cli php-xml php-bcmath php-process php-gd php-common

yum list installed |grep php                       #<===查看yum安装的软件包

rpm -ql php-fpm.x86_64                           #<===查看php软件包所在路径

php -version                                             #<===查看PHP版本安装是否正确

systemctl start php-fpm

systemctl enable php-fpm

lsof -i :9000