Centos7安装php8.1和composer

设置yum源

 yum -y install https://mirrors.tuna.tsinghua.edu.cn/remi/enterprise/remi-release-7.rpm
yum -y install yum-utils

安装php8.1

 yum -y install php81-php-cli php81-php-common php81-php-devel php81-php-embedded php81-php-fpm php81-php-gd php81-php-mbstring php81-php-mysqlnd php81-php-pdo php81-php-opcache php81-php-xml php81-php-soap php81-php-posix


查看是否安装成功及php配置文件以及对应目录
rpm -qa |grep php81
pm -ql php81-php-fpm

系统配置

 ln -sf /opt/remi/php81/root/usr/bin/php* /usr/bin

查看PHP版本

 php -v

安装：composer

php -r "copy('https://install.phpcomposer.com/installer', 'composer-setup.php');"
php composer-setup.php
cp composer.phar /usr/bin/composer

cd /www/wwwroot/www.top580.com/php
composer install
composer update