1、下载php

下载PHP对应版本：https://www.php.net/releases/
本次我测试的7.4和8.0
7.4：https://www.php.net/distributions/php-7.4.16.tar.gz
8.0: https://www.php.net/distributions/php-8.0.3.tar.gz

$ cd /down
$ wget https://www.php.net/distributions/php-7.4.16.tar.gz
$ wget https://www.php.net/distributions/php-8.0.3.tar.gz

2、 安装7.4

$ cd /down
$ tar -xzvf php-7.4.16.tar.gz
$ cd /down/php-7.4.16/
$ ./configure --prefix=/usr/local/php74 --with-config-file-scan-dir=/usr/local/php74/etc/  --enable-opcache --enable-session --enable-fpm  --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-pdo-sqlite --with-sqlite3 --with-gettext --enable-mbregex --enable-mbstring --enable-xml --with-iconv  --with-mhash --with-openssl --enable-bcmath --enable-soap   --enable-pcntl --enable-shmop --enable-sysvmsg --enable-sysvsem --enable-sysvshm --enable-sockets --with-curl --with-zlib  --with-bz2    --with-readline 
$ make && make install

./configure 编译 PHP 时需要 --enable-fpm 配置选项来激活 FPM 支持；官方安装目录https://www.php.net/manual/zh/install.fpm.install.php

$ cp /down/php-7.4.16/php.ini-development /usr/local/php74/php.ini
$ vim /usr/local/php74/php.ini
display_error = On  注释删除

3、配置php-fpm.conf

 $ cp /usr/local/php74/etc/php-fpm.conf.default  /usr/local/php74/etc/php-fpm.conf
 $ vim /usr/local/php74/etc/php-fpm.conf

pid = run/php-fpm.pid # 打开该注释，该文件在/usr/local/php74/var/run/php-fpm.pid
error_log = log/php-fpm.log #打开该注释， 该文件在/usr/local/php74/var/log/php-fpm.log
daemonize = yes #打开该注释 该行打开后php-fpm -start -D 可以在后台启动
include=/usr/local/php74/etc/php-fpm.d/*.conf 

保存退出

4、配置www.conf

$ cp  /usr/local/php74/etc/php-fpm.d/www.conf.default  /usr/local/php74/etc/php-fpm.d/www.conf
$ vim  /usr/local/php74/etc/php-fpm.d/www.conf

user = nginx
group = nginx
;listen = 127.0.0.1:9000 # 改行注释掉
listen = /run/php74-fpm/php-fpm.sock # php-fpm.sock会自动生成，提前创建好/run/php74-fpm/目录并授权属主属组

保存退出

5、配置php-fpm.sock权限

$ mkdir /run/php74-fpm
$ chown -R nginx:nginx /run/php74-fpm #很重要，不设置nginx没办法启动php-fpm
$ ll /run/php74-fpm/php-fpm.sock #查看权限是否改变

6、安装nginx （不再赘述）

6.1 nginx 属主属组添加不再赘述

7、配置nginx.conf

$ nginx -t # 查看nginx.conf配置目录
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
$ vim /etc/nginx/nginx.conf

按照以下配置，没有在以下里面的注释

user nginx nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile            on;
    tcp_nopush          on;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;

    include             /etc/nginx/mime.types;
    default_type        application/octet-stream;

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;
}

8、配置php74.com

$ touch /etc/nginx/conf.d/php74_com.conf
$ vim /etc/nginx/conf.d/php74_com.conf

server {
    listen 80;
    server_name php74.com;
    root "/home/vagrant/Code/php74";

    index index.html index.htm index.php;

    charset utf-8;

    location / {
        try_files $uri $uri/ /index.php?$query_string;
    }

    location = /favicon.ico { access_log off; log_not_found off; }
    location = /robots.txt  { access_log off; log_not_found off; }

    access_log off;
    error_log  /var/log/nginx/php74.com-error.log error;

    sendfile off;

    client_max_body_size 100m;

    location ~ \.php$ {
        fastcgi_split_path_info ^(.+\.php)(/.+)$;
        fastcgi_pass unix:/run/php74-fpm/php-fpm.sock; # 该配置决定了项目使用哪个PHP版本；该配置有两种链接方式：tcp方式和UNIX Domain Socket方式:
        fastcgi_index index.php;
        include fastcgi_params;
        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

        fastcgi_intercept_errors off;
        fastcgi_buffer_size 16k;
        fastcgi_buffers 4 16k;
        fastcgi_connect_timeout 300;
        fastcgi_send_timeout 300;
        fastcgi_read_timeout 300;
    }

    location ~ /\.ht {
        deny all;
    }

}

保存退出

9、配置php74 项目目录

$ mkdir /home/vagrant/Code/php74
$ touch /home/vagrant/Code/php74/index.php
$ chown -R nginx:nginx /home/vagrant/Code/php74
$ vim /home/vagrant/Code/php74/index.php

/home/vagrant/Code/php74/index.php

<?php
phpinfo();
?>

10、 重启nginx

$ ps -ef | grep nginx
$ kill 67181 # 杀掉nginx进程
$ /usr/sbin/nginx -c /etc/nginx/nginx.conf #重启nginx.conf主配置文件
$ ps -ef | grep nginx  # 查看nginx是否启动

11、配置hosts

192.168.40.63 php74.com

12、打开浏览器测试php74.com

看一下现在是不是PHP7.4版本

13、安装PHP8.0

和上面步骤一样不再赘述

14、错误解决办法

权限：网站权限、/run/php74-fpm/php-fpm.sock 权限

查看nginx.conf 错误日志：

$ vim /etc/nginx/nginx.conf
$ tail -f /var/log/nginx/error.log

查看php74.com错误日志

$ vim /etc/nginx/conf.d/php74_com.conf
$ tail -f /var/log/nginx/php74.com-error.log error

还是解决不了给我留言