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。

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

[[email protected] ~]# 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

[[email protected] ~]# 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

[[email protected] ~]# 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

yum install php71w php71w-cli php71w-common php71w-devel php71w-embedded php71w-fpm php71w-gd php71w-mbstring php71w-mysqlnd php71w-opcache php71w-pdo php71w-xml

[[email protected] ~]# 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 <[email protected]>"

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

[[email protected] ~]# php -v

PHP 7.1.22 (cli) (built: Sep 15 2018 07:33:01) ( NTS )

五、yum install php71w-fpm.x86_64 还需要安装php-fpm插件

[[email protected] ~]# 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

[[email protected] ~]# systemctl start php-fpm

七、设置开机自启动（和前面mysql一样的）

[[email protected] ~]# 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

[[email protected] ~]# systemctl list-unit-files

...

php-fpm.service enabled

...

九、查看安装路径

[[email protected] ~]# 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 ph

Centos7 PHP的安装和配置

　　前面Nginx和httpd的安装都是为了支持PHP而弄的，然后这个目标就给了我一沉重的打击，等我慢慢道来，先来说说PHP的安装和配置吧。

一、PHP的安装

1、由于linux的yum源不存在php7.x，所以我们要更改yum源：

1 2	#rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm #rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm

2、yum查询安装php71w

1	#yum search php71w

教你步步安装和配置PHP及相关插件

3、yum 安装php71w和各种拓展，选自己需要的即可。

1	#yum install php71w php71w-cli php71w-common php71w-devel php71w-embedded php71w-fpm php71w-gd php71w-mbstring php71w-mysqlnd php71w-opcache php71w-pdo php71w-xml

4、安装完成之后，#whereis php 可以看到php的安装目录，然后我们来给php配置环境,实际上在centos7上php.ini已经不用像在Windows上那样配置了。我们只需要修改这个文件的参数设置cgi.fix_pathinfo，默认设置值为“1”，用；进行注释或修改为0即可。（@ [email protected]）

1	#vim vim /etc/profile<br>在末尾添加

PATH=$PATH:/usr/local/php/bin　　//记得修改为自己php的安装路径
export PATH
：wq保存退出

source /etc/profile //运行该句指令使修改生效

php -v //就可以看到PHP版本信息了。

5、测试，在自己的Nginx或Apache或自建的网页目录下新建index.php，编辑内容为<?php phpinfo(); ?>

然后在网页上输入192.169.x.x:80/index.php，如果能看到php信息页面说明你的Nginx或httpd安装成功，

但我就没有这么幸运了，特别是在Nginx上。

　由于Nginx对PHP的支持需要php-fpm拓展的安装和启动，然后刚开始的时候我是对php-fpm进行单独的安装和配置，启动运行systemctl start php-fpm.service systemctl start nginx，

netstat -lntp ,可以看到启动的端口和服务。

　但在测试的时候，index.php总是无法解析，而是把index.php文件进行下载到本地了，很是纠结，然后我就放弃了Nginx的配置，转而配置httpd。

同样的是纠结了我好长一段时间的是，刚开是的时候httpd是能正常解析php文件的，但有段时间我把httpd服务给kill掉过后，由于不甘心又去配置Nginx，还是老样子，就又回来启动httpd,这时连httpd也都不能解析php文件了，只能访问html静态文件。而且还出现了些异常现象，后来仔细检查，在#systemctl status httpd中看到了下面错误，提示进程Process:2401启动失败。想着可能PID为2401的端口被占用，#netstat -anp --查看所有端口情况，当然没找到占用情况（无语加崩溃）。后来重启实例，重启httpd,竟然好了，（想着可能是进程启动失败或端口占用原因，我还清过缓存。具体原因还在不断摸索中，在此作个记录。）

教你步步安装和配置PHP及相关插件

Apache遇到的问题。

apache 不解析php

1.找到：

AddType application/x-gzip .gz .tgz

在其下面添加：

AddType application/x-httpd-php .php //添加支持对php脚本解析

2. 找到：

DirectoryIndex index.html

</IfModule>

把中间那一行改为：

DirectoryIndex index.html index.htm index.php //增加对php的索引

教你步步安装和配置PHP及相关插件

Centos7 PHP的安装和配置

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