php8 安装

yum install git 
git config credential.helper store
yum install nginx
yum install -y https://rpms.remirepo.net/enterprise/remi-release-7.rpm
rpm -Uvh https://rpms.remirepo.net/enterprise/remi-release-7.rpm 
yum install yum-utils
yum-config-manager --disable 'remi-php*'
yum-config-manager --enable remi-php80

#安装php和php扩展，为应用提供基础

 yum install -y php php-bcmath php-cli php-common php-devel php-fpm php-gd php-intl php-ldap php-mbstring php-mysqlnd php-odbc php-pdo php-pear php-pecl-xmlrpc php-pecl-zip php-process php-snmp php-soap php-sodium php-xml php-gmp
#启动PHP
systemctl  start php-fpm
#查看PHP状态
systemctl  status php-fpm

mkdir -p /run/php-fpm
touch /run/php-fpm/php-fpm.pid
chmod 777 /run/php-fpm/php-fpm.pid

yum install composer
composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
composer config -g repos.packagist composer https://mirrors.cloud.tencent.com/composer/