php7安装配置-在centos7上

一、先卸载旧版php

yum remove php* php-common

二、安装epel

yum -y install epel-release

三、安装第三方yum源

#centos 6.x 的yum源 (二选一)
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm

#centos 7 的yum源 (二选一)
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

#查看是否安装了目标 yum 源
ls /etc/yum.repos.d

# 输出 目标yum源的信息
cat webtatic.repo
[webtatic]
name=Webtatic Repository EL7 - $basearch
#baseurl=https://repo.webtatic.com/yum/el7/$basearch/
mirrorlist=https://mirror.webtatic.com/yum/el7/$basearch/mirrorlist
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-webtatic-el7

[webtatic-debuginfo]
name=Webtatic Repository EL7 - $basearch - Debug
#baseurl=https://repo.webtatic.com/yum/el7/$basearch/debug/
mirrorlist=https://mirror.webtatic.com/yum/el7/$basearch/debug/mirrorlist
failovermethod=priority
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-webtatic-el7

[webtatic-source]
name=Webtatic Repository EL7 - $basearch - Source
#baseurl=https://repo.webtatic.com/yum/el7/SRPMS/
mirrorlist=https://mirror.webtatic.com/yum/el7/SRPMS/mirrorlist
failovermethod=priority
enabled=0
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-webtatic-el7<br>

通过访问 https://repo.webtatic.com/yum/el7/SRPMS/
我们就能看到所有的 rpm 安装包了

#也可以通过命令查看该源对应的安装包
yum list --enablerepo=webtatic | grep php
#或者 直接 搜索 相关安装包
yum search php71w
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.linode.com
 * epel: mirrors.kernel.org
 * extras: mirrors.linode.com
 * updates: mirrors.linode.com
 * webtatic: sp.repo.webtatic.com
============================= N/S matched: php71w ==============================
mod_php71w.x86_64 : PHP module for the Apache HTTP Server
php71w-bcmath.x86_64 : A module for PHP applications for using the bcmath
                     : library
php71w-cli.x86_64 : Command-line interface for PHP
php71w-common.x86_64 : Common files for PHP
注意一个问题,php71w和php70w,它们的描述方式不同。
php70w.x86_64 : PHP scripting language for creating dynamic web sites
mod_php71w.x86_64 : PHP module for the Apache HTTP Server
其实效果是一样的,就是php 服务器,注意啦。
yum search php70w
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
 * base: mirrors.linode.com
 * epel: mirrors.kernel.org
 * extras: mirrors.linode.com
 * updates: mirrors.linode.com
 * webtatic: sp.repo.webtatic.com
============================= N/S matched: php70w ==============================
php70w.x86_64 : PHP scripting language for creating dynamic web sites
php70w-bcmath.x86_64 : A module for PHP applications for using the bcmath
                     : library
php70w-cli.x86_64 : Command-line interface for PHP
php70w-common.x86_64 : Common files for PHP
<br>

四、安装 PHP 7.1

# 安装php7.1
yum install php71w -y
# nginx连接使用
yum install php71w-fpm -y
# 宽字节
yum install php71w-mbstring -y
# mysql相关
yum install php71w-mysqlnd -y
# redis扩展
yum install php71w-pecl-redis -y
# 加密使用
yum install php71w-mcrypt -y
# 性能加速 php5.5 以上使用
yum install php71w-opcache -y
# 安装这些基本的可以满足大量需求, 至于有些扩展, 会在安装这些库的时候附加进去<br>

五、启动 PHP 7.1

我已经安装好需要程序,要想PHP请求被Nginx接收并转交给PHP-FPM再由PHP解释器执行返回结果,还需要做一些配置。
1、设置Nginx
Nginx 配置文件中 已经配置过,如何接收 php请求了。
2、启动 PHP-FPM

# 启动PHP-FPM
systemctl start php-fpm  
# 设置开机启动
systemctl enable php-fpm

六、基本配置优化

对于搭建一般的小网站,参考 wordpress-优化php-fpm和mysql 。

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