php双版本安装

# 使用包管理器安装多个PHP版本（以Ubuntu为例）
sudo apt update
sudo apt install php7.4 php8.0

# 使用源码编译安装
wget https://www.php.net/distributions/php-7.4.33.tar.gz
tar -xzf php-7.4.33.tar.gz
cd php-7.4.33
./configure
make
sudo make install

wget https://www.php.net/distributions/php-8.0.17.tar.gz
tar -xzf php-8.0.17.tar.gz
cd php-8.0.17
./configure
make
sudo make install

# 使用phpbrew切换版本
curl -L -O https://github.com/phpbrew/phpbrew/releases/latest/download/phpbrew.phar
chmod +x phpbrew.phar
sudo mv phpbrew.phar /usr/local/bin/phpbrew
phpbrew init
phpbrew switch php-7.4
phpbrew switch php-8.0

# 配置Apache使用特定版本的PHP
sudo a2dismod php7.4
sudo a2enmod php8.0
sudo systemctl restart apache2

# 配置Nginx使用特定版本的PHP
server {
    listen 80;
    server_name example.com;

    location / {
        root /var/www/html;
        index index.php index.html index.htm;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php/php8.0-fpm.sock;
    }
}