官网下载地址: php8下载

[root@iZbp1chwdyqnsfyr531z9zZ nginx-1.18.0]# cd /usr/local/src/
[root@iZbp1chwdyqnsfyr531z9zZsrc]#wget http://cn2.php.net/distributions/php-8.0.0.tar.gz

解压压缩包：

[root@iZbp1chwdyqnsfyr531z9zZ src]# tar -xzvf php-8.0.0.tar.gz
[root@iZbp1chwdyqnsfyr531z9zZ src]# cd php-8.0.0

安装依赖

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]# yum install -y wget gcc gcc-c++ autoconf libjpeg libjpeg-devel perl perl* perl-CPAN libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel openssl openssl-devel openldap openldap-devel nss_ldap openldap-clients openldap-servers png jpeg autoconf gcc cmake make gcc-c++ gcc ladp ldap* ncurses ncurses-devel zlib zlib-devel zlib-static pcre pcre-devel pcre-static openssl openssl-devel perl libtoolt openldap-devel libxml2-devel ntpdate cmake gd* gd2 ImageMagick-devel jpeg jpeg* pcre-dev* fontconfig libpng libxml2 zip unzip gzip

源码编译、安装

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]#./configure --prefix=/usr/local/php8 \
--with-config-file-path=/usr/local/php8/etc \
--with-config-file-scan-dir=/usr/local/php8/etc/php.d \
--with-mcrypt=/usr/include \
--enable-mysqlnd \
--with-mysqli \
--with-pdo-mysql \
--enable-fpm \
--with-fpm-user=nginx \
--with-fpm-group=nginx \
--with-gd \
--with-iconv \
--with-zlib \
--enable-xml \
--enable-shmop \
--enable-sysvsem \
--enable-inline-optimization \
--enable-mbregex \
--enable-mbstring \
--enable-ftp \
--enable-gd-native-ttf \
--with-openssl \
--enable-pcntl \
--enable-sockets \
--with-xmlrpc \
--enable-zip \
--enable-soap \
--without-pear \
--with-gettext \
--enable-session \
--with-curl \
--with-jpeg-dir \
--with-freetype-dir \
--enable-opcache

编译 + 安装

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]# make
[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]# make install

查看安装成功后的版本信息

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]# /usr/local/php8/bin/php -v
PHP 8.0.0 (cli) (built: Jan  6 2021 11:44:09) ( NTS )
Copyright (c) The PHP Group
Zend Engine v4.0.0-dev, Copyright (c) Zend Technologies

修改配置
修改php配置，查看php加载配置文件路径：

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]# /usr/local/php8/bin/php -i | grep php.ini
Configuration File (php.ini) Path => /usr/local/php8/etc

php-8.0.0源码目录下：

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]# ll /usr/local/src/php-8.0.0 | grep ini
-rw-rw-r--  1 root root   72316 Nov 25 01:04 php.ini-development
-rw-rw-r--  1 root root   72462 Nov 25 01:04 php.ini-production

复制PHP的配置文件，使用以下命令

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]
# cp /usr/local/src/php-8.0.0/php.ini-production /usr/local/php8/etc/php.ini

需要对php.ini配置进行配置修改，请自行参考官方文档配置 。

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]# /usr/local/php8/bin/php -i | grep php.ini
Configuration File (php.ini) Path => /usr/local/php8/etc
Loaded Configuration File => /usr/local/php8/etc/php.ini

启用php-fpm服务

[root@iZbp1chwdyqnsfyr531z9zZ php-8.0.0]# cd /usr/local/php8/etc/
[root@iZbp1chwdyqnsfyr531z9zZ etc]# cp php-fpm.conf.default php-fpm.conf
[root@iZbp1chwdyqnsfyr531z9zZ etc]# cp php-fpm.d/www.conf.default php-fpm.d/www.conf

Nginx代理集成PHP8配置

[root@iZbp1chwdyqnsfyr531z9zZ etc]# sudo vi /usr/local/nginx/conf/nginx.conf

server块代表一个虚拟主机，要增加虚拟主机就再增加一个server块, 而且这个conf文件中也给出了例子。那么怎么代理php-fpm呢？找到：

#location ~ \.php$ {
  #    root           html;
  #    fastcgi_pass   127.0.0.1:9000;
  #    fastcgi_index  index.php;
  #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
  #    include        fastcgi_params;
#}

把前面的#注释符号去掉，把/scripts改为$document_root最终如下：

location ~ \.php$ {
  root           html;
  fastcgi_pass   127.0.0.1:9000;
  fastcgi_index  index.php;
  fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
  include        fastcgi_params;
}

这样就可以了，重新载入nginx配置即可，使用以下命令
/usr/local/nginx/sbin/nginx -s reload
然后到/usr/local/nginx/html去写一个php文件：index.php进行测试，文件：index.php的代码如下

<?php
    phpinfo();
?>

现在访问目录IP

提示：如果无法打开，可能需要关闭防火墙，使用命令：systemctl stop firewalld

完整server

server {
  listen       80;
  server_name  app.test;
  root   "/webs/app";
  location / {
    index  index.html index.htm index.php server.php;
    try_files $uri $uri/ /index.php?$query_string;
  }
  location ~ \.php(.*)$ {
    fastcgi_pass   127.0.0.1:9000;
    fastcgi_index  index.php;
    fastcgi_split_path_info  ^((?U).+\.php)(/?.+)$;
    fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
    fastcgi_param  PATH_INFO  $fastcgi_path_info;
    fastcgi_param  PATH_TRANSLATED  $document_root$fastcgi_path_info;
    include        fastcgi_params;
  }
}	

重启php命令
//关闭进程
killall php-fpm 
//启动
/usr/local/php8/sbin/php-fpm