PHP是我们设置的组件，它将处理代码以显示动态内容。它可以运行脚本，连接到我们的MySQL数据库以获取信息，并将处理的内容传递到我们的Web服务器以显示。
PHP-FPM（PHP FastCGI Process Manager的简称，意思是 “PHP FastCGI进程管理器” ）是用于管理PHP进程池的软件，用于接收和处理来自Web服务器（例如nginx）的请求。PHP-FPM软件会创建一个主进程（通常以操作系统中根用户的身份运行），控制何时以及如何把HTTP请求转发给一个或多个子进程处理。PHP-FPM主进程还控制着什么时候创建（处理Web应用更多的流量）和销毁（子进程运行时间太久或不再需要了）PHP子进程。PHP-FPM进程池中的每个进程存在的时间都比单个HTTP请求长，可以处理10，50，100，500或更多的HTTP请求。
如果之前有安装，请先卸载，卸载请参考mysql卸载
本文安装PHP7.1版本，最新版最好办法是源码安装，请自行摸索
rpm安装php7.1相应的yum源，主要是下面两句命令
一、php7.1 yum 源
rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpm
rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
[root@localhost ~]# rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpm
Retrieving https://mirror.webtatic.com/yum/el7/epel-release.rpm
warning: /var/tmp/rpm-tmp.G162nG: Header V4 RSA/SHA1 Signature, key ID 62e74ca5: NOKEY
Preparing... ################################# [100%]
package epel-release-7-11.noarch (which is newer than epel-release-7-5.noarch) is already installed
[root@localhost ~]# rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
Retrieving https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
warning: /var/tmp/rpm-tmp.tLfdbP: Header V4 RSA/SHA1 Signature, key ID 62e74ca5: NOKEY
Preparing... ################################# [100%]
Updating / installing...
1:webtatic-release-7-3 ################################# [100%]
二、yum list php71w* 相关插件
[root@localhost ~]# yum list php71w*
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* webtatic: us-east.repo.webtatic.com
Available Packages
php71w-bcmath.x86_64 7.1.22-1.w7 webtatic
php71w-cli.x86_64 7.1.22-1.w7 webtatic
php71w-common.x86_64 7.1.22-1.w7 webtatic
php71w-dba.x86_64 7.1.22-1.w7 webtatic
php71w-devel.x86_64 7.1.22-1.w7 webtatic
php71w-embedded.x86_64 7.1.22-1.w7 webtatic
php71w-enchant.x86_64 7.1.22-1.w7 webtatic
php71w-fpm.x86_64 7.1.22-1.w7 webtatic
php71w-gd.x86_64 7.1.22-1.w7 webtatic
php71w-imap.x86_64 7.1.22-1.w7 webtatic
php71w-interbase.x86_64 7.1.22-1.w7 webtatic
php71w-intl.x86_64 7.1.22-1.w7 webtatic
php71w-ldap.x86_64 7.1.22-1.w7 webtatic
php71w-mbstring.x86_64 7.1.22-1.w7 webtatic
php71w-mcrypt.x86_64 7.1.22-1.w7 webtatic
php71w-mysql.x86_64 7.1.22-1.w7 webtatic
php71w-mysqlnd.x86_64 7.1.22-1.w7 webtatic
php71w-odbc.x86_64 7.1.22-1.w7 webtatic
php71w-opcache.x86_64 7.1.22-1.w7 webtatic
php71w-pdo.x86_64 7.1.22-1.w7 webtatic
php71w-pdo_dblib.x86_64 7.1.22-1.w7 webtatic
php71w-pear.noarch 1:1.10.4-1.w7 webtatic
php71w-pecl-apcu.x86_64 5.1.9-1.w7 webtatic
php71w-pecl-apcu-devel.x86_64 5.1.9-1.w7 webtatic
php71w-pecl-geoip.x86_64 1.1.1-1.w7 webtatic
php71w-pecl-igbinary.x86_64 2.0.5-1.w7 webtatic
php71w-pecl-igbinary-devel.x86_64 2.0.5-1.w7 webtatic
php71w-pecl-imagick.x86_64 3.4.3-1.w7 webtatic
php71w-pecl-imagick-devel.x86_64 3.4.3-1.w7 webtatic
php71w-pecl-libsodium.x86_64 1.0.6-1.w7 webtatic
php71w-pecl-memcached.x86_64 3.0.4-1.w7 webtatic
php71w-pecl-mongodb.x86_64 1.4.1-1.w7 webtatic
php71w-pecl-redis.x86_64 3.1.6-1.w7 webtatic
php71w-pecl-xdebug.x86_64 2.6.0-1.w7 webtatic
php71w-pgsql.x86_64 7.1.22-1.w7 webtatic
php71w-phpdbg.x86_64 7.1.22-1.w7 webtatic
php71w-process.x86_64 7.1.22-1.w7 webtatic
php71w-pspell.x86_64 7.1.22-1.w7 webtatic
php71w-recode.x86_64 7.1.22-1.w7 webtatic
php71w-snmp.x86_64 7.1.22-1.w7 webtatic
php71w-soap.x86_64 7.1.22-1.w7 webtatic
php71w-tidy.x86_64 7.1.22-1.w7 webtatic
php71w-xml.x86_64 7.1.22-1.w7 webtatic
php71w-xmlrpc.x86_64 7.1.22-1.w7 webtatic
三、安装php及相关插件
yum install php71w.x86_64 php71w-cli.x86_64 php71w-common.x86_64 php71w-gd.x86_64 php71w-ldap.x86_64 php71w-mbstring.x86_64 php71w-mcrypt.x86_64 php71w-mysql.x86_64 php71w-pdo.x86_64
[root@localhost ~]# yum install php71w.x86_64 php71w-cli.x86_64 php71w-common.x86_64 php71w-gd.x86_64 php71w-ldap.x86_64 php71w-mbstring.x86_64 php71w-mcrypt.x86_64 php71w-mysql.x86_64 php71w-pdo.x86_64
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* webtatic: uk.repo.webtatic.com
No package php71w.x86_64 available.
Resolving Dependencies
--> Running transaction check
---> Package php71w-cli.x86_64 0:7.1.22-1.w7 will be installed
---> Package php71w-common.x86_64 0:7.1.22-1.w7 will be installed
---> Package php71w-gd.x86_64 0:7.1.22-1.w7 will be installed
---> Package php71w-ldap.x86_64 0:7.1.22-1.w7 will be installed
---> Package php71w-mbstring.x86_64 0:7.1.22-1.w7 will be installed
---> Package php71w-mcrypt.x86_64 0:7.1.22-1.w7 will be installed
--> Processing Dependency: libmcrypt.so.4()(64bit) for package: php71w-mcrypt-7.1.22-1.w7.x86_64
--> Processing Dependency: libltdl.so.7()(64bit) for package: php71w-mcrypt-7.1.22-1.w7.x86_64
---> Package php71w-mysql.x86_64 0:7.1.22-1.w7 will be installed
---> Package php71w-pdo.x86_64 0:7.1.22-1.w7 will be installed
--> Running transaction check
---> Package libmcrypt.x86_64 0:2.5.8-13.el7 will be installed
---> Package libtool-ltdl.x86_64 0:2.4.2-22.el7_3 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=========================================================================================================================================================================================
Package Arch Version Repository Size
=========================================================================================================================================================================================
Installing:
php71w-cli x86_64 7.1.22-1.w7 webtatic 3.0 M
php71w-common x86_64 7.1.22-1.w7 webtatic 1.2 M
php71w-gd x86_64 7.1.22-1.w7 webtatic 133 k
php71w-ldap x86_64 7.1.22-1.w7 webtatic 34 k
php71w-mbstring x86_64 7.1.22-1.w7 webtatic 543 k
php71w-mcrypt x86_64 7.1.22-1.w7 webtatic 26 k
php71w-mysql x86_64 7.1.22-1.w7 webtatic 82 k
php71w-pdo x86_64 7.1.22-1.w7 webtatic 89 k
Installing for dependencies:
libmcrypt x86_64 2.5.8-13.el7 epel 99 k
libtool-ltdl x86_64 2.4.2-22.el7_3 base 49 k
Transaction Summary
=========================================================================================================================================================================================
Install 8 Packages (+2 Dependent packages)
Total download size: 5.2 M
Installed size: 23 M
Is this ok [y/d/N]:y
Downloading packages:
(1/10): libmcrypt-2.5.8-13.el7.x86_64.rpm | 99 kB 00:00:00
(2/10): libtool-ltdl-2.4.2-22.el7_3.x86_64.rpm | 49 kB 00:00:00
warning: /var/cache/yum/x86_64/7/webtatic/packages/php71w-ldap-7.1.22-1.w7.x86_64.rpm: Header V4 RSA/SHA1 Signature, key ID 62e74ca5: NOKEY ] 0.0 B/s | 148 kB --:--:-- ETA
Public key for php71w-ldap-7.1.22-1.w7.x86_64.rpm is not installed
(3/10): php71w-ldap-7.1.22-1.w7.x86_64.rpm | 34 kB 00:00:01
(4/10): php71w-mcrypt-7.1.22-1.w7.x86_64.rpm | 26 kB 00:00:00
(5/10): php71w-mysql-7.1.22-1.w7.x86_64.rpm | 82 kB 00:00:00
(6/10): php71w-pdo-7.1.22-1.w7.x86_64.rpm | 89 kB 00:00:00
(7/10): php71w-cli-7.1.22-1.w7.x86_64.rpm | 3.0 MB 00:00:04
(8/10): php71w-gd-7.1.22-1.w7.x86_64.rpm | 133 kB 00:00:12
(9/10): php71w-mbstring-7.1.22-1.w7.x86_64.rpm | 543 kB 00:01:36
(10/10): php71w-common-7.1.22-1.w7.x86_64.rpm | 1.2 MB 00:05:24
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 16 kB/s | 5.2 MB 00:05:24
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-webtatic-el7
Importing GPG key 0x62E74CA5:
Userid : "Webtatic EL7 <rpms@webtatic.com>"
Fingerprint: 830d b159 6d9b 9b01 99dc 24a3 e87f d236 62e7 4ca5
Package : webtatic-release-7-3.noarch (installed)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-webtatic-el7
Is this ok [y/N]:y
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Warning: RPMDB altered outside of yum.
Installing : php71w-common-7.1.22-1.w7.x86_64 1/10
Installing : php71w-pdo-7.1.22-1.w7.x86_64 2/10
Installing : libmcrypt-2.5.8-13.el7.x86_64 3/10
Installing : libtool-ltdl-2.4.2-22.el7_3.x86_64 4/10
Installing : php71w-mcrypt-7.1.22-1.w7.x86_64 5/10
Installing : php71w-mysql-7.1.22-1.w7.x86_64 6/10
Installing : php71w-ldap-7.1.22-1.w7.x86_64 7/10
Installing : php71w-cli-7.1.22-1.w7.x86_64 8/10
Installing : php71w-gd-7.1.22-1.w7.x86_64 9/10
Installing : php71w-mbstring-7.1.22-1.w7.x86_64 10/10
Verifying : php71w-mysql-7.1.22-1.w7.x86_64 1/10
Verifying : php71w-ldap-7.1.22-1.w7.x86_64 2/10
Verifying : php71w-cli-7.1.22-1.w7.x86_64 3/10
Verifying : php71w-pdo-7.1.22-1.w7.x86_64 4/10
Verifying : libtool-ltdl-2.4.2-22.el7_3.x86_64 5/10
Verifying : php71w-common-7.1.22-1.w7.x86_64 6/10
Verifying : php71w-gd-7.1.22-1.w7.x86_64 7/10
Verifying : php71w-mbstring-7.1.22-1.w7.x86_64 8/10
Verifying : libmcrypt-2.5.8-13.el7.x86_64 9/10
Verifying : php71w-mcrypt-7.1.22-1.w7.x86_64 10/10
Installed:
php71w-cli.x86_64 0:7.1.22-1.w7 php71w-common.x86_64 0:7.1.22-1.w7 php71w-gd.x86_64 0:7.1.22-1.w7 php71w-ldap.x86_64 0:7.1.22-1.w7 php71w-mbstring.x86_64 0:7.1.22-1.w7
php71w-mcrypt.x86_64 0:7.1.22-1.w7 php71w-mysql.x86_64 0:7.1.22-1.w7 php71w-pdo.x86_64 0:7.1.22-1.w7
Dependency Installed:
libmcrypt.x86_64 0:2.5.8-13.el7 libtool-ltdl.x86_64 0:2.4.2-22.el7_3
Complete!
四、查看安装PHP版本
[root@localhost ~]# php -v
PHP 7.1.22 (cli) (built: Sep 15 2018 07:33:01) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.1.0, Copyright (c) 1998-2018 Zend Technologies
五、yum install php71w-fpm.x86_64 还需要安装php-fpm插件
[root@localhost ~]# yum install php71w-fpm.x86_64
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* webtatic: uk.repo.webtatic.com
Resolving Dependencies
--> Running transaction check
---> Package php71w-fpm.x86_64 0:7.1.22-1.w7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=========================================================================================================================================================================================
Package Arch Version Repository Size
=========================================================================================================================================================================================
Installing:
php71w-fpm x86_64 7.1.22-1.w7 webtatic 1.5 M
Transaction Summary
=========================================================================================================================================================================================
Install 1 Package
Total download size: 1.5 M
Installed size: 4.6 M
Is this ok [y/d/N]: y
Downloading packages:
php71w-fpm-7.1.22-1.w7.x86_64.rpm | 1.5 MB 00:00:07
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : php71w-fpm-7.1.22-1.w7.x86_64 1/1
Verifying : php71w-fpm-7.1.22-1.w7.x86_64 1/1
Installed:
php71w-fpm.x86_64 0:7.1.22-1.w7
Complete!
六、启动php-fpm
[root@localhost ~]# systemctl start php-fpm
七、设置开机自启动（和前面mysql一样的）
[root@localhost ~]# systemctl enable php-fpm
Created symlink from /etc/systemd/system/multi-user.target.wants/php-fpm.service to /usr/lib/systemd/system/php-fpm.service.
八、验证是否加入开机启动列表
[root@localhost ~]# systemctl list-unit-files
...
...
php-fpm.service enabled
...
九、查看安装路径
[root@localhost ~]# ps -ef | grep php
root 24988 1 0 16:03 ? 00:00:00 php-fpm: master process (/etc/php-fpm.conf)
apache 24989 24988 0 16:03 ? 00:00:00 php-fpm: pool www
apache 24990 24988 0 16:03 ? 00:00:00 php-fpm: pool www
apache 24991 24988 0 16:03 ? 00:00:00 php-fpm: pool www
apache 24992 24988 0 16:03 ? 00:00:00 php-fpm: pool www
apache 24993 24988 0 16:03 ? 00:00:00 php-fpm: pool www
root 25013 24797 0 16:06 pts/0 00:00:00 grep --color=auto php
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