centos下安装php-fpm的方法：1、安装epel-release；2、安装php7；3、安装php7的yum源；4、执行【systemctl start php-fpm】命令开启服务。
环境：
centos7.4
安装步骤如下：
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1、安装epel-release
yum -y install epel-release
2、安装PHP7
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpmrpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
3、yum查看
yum search php70w-fpm #PHP7.0yum search php71w-fpm #PHP7.1yum search php72w-fpm #PHP7.2
4、安装PHP 7.0、7.1的yum源，然后再执行：
安装php 7.0以及扩展：
yum install php70w php70w-fpm php70w-cli php70w-common php70w-devel php70w-gd php70w-pdo php70w-mysql php70w-mbstring php70w-bcmath php70w-xml php70w-pecl-redis php70w-process php70w-intl php70w-xmlrpc php70w-soap php70w-ldap php70w-opcache
安装php 7.1以及扩展：
yum install php71w php71w-fpm php71w-cli php71w-common php71w-devel php71w-gd php71w-pdo php71w-mysql php71w-mbstring php71w-bcmath php71w-xml php71w-pecl-redis php71w-process php71w-intl php71w-xmlrpc php71w-soap php71w-ldap php71w-opcache
安装php 7.2以及扩展：
yum install -y php72w php72w-fpm php72w-cli php72w-common php72w-devel php72w-gd php72w-pdo php72w-mysql php72w-mbstring php72w-bcmath php72w-xml php72w-pecl-redis php72w-process php72w-intl php72w-xmlrpc php72w-soap php72w-ldap php72w-opcache
5、开启服务
systemctl start php-fpm
6、开机开启服务
systemctl enable php-fpm
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