Ubuntu 12.04 LTS 中将 PHP 从 5.3 升级到 5.5 笔记
在Ubuntu 12.04 LTS 中,使用
sudo apt-get install php5-fpm
安装的PHP 版本是 5.3,如果想要使用 Laravel 或 Yii2 框架,要求 PHP 版本至少是 5.5+,所以要对 PHP 版本进行升级。
升级步骤
初始化操作:
sudo apt-get updatesudo apt-get install python-software-properties
更新PPA源:
sudo add-apt-repository ppa:ondrej/php5
如果只是想升级到5.4,则执行如下命令:
sudo add-apt-repository ppa:ondrej/php5-oldstable
接下来执行更新和升级:
sudo apt-get updatesudo apt-get dist-upgrade
执行命令 php -v会发现已经更新成功。
注1
如果之前nginx中配置监听9000端口来处理PHP,那么要改成监听UNIX的socket,否则无法正确打开PHP页面。即将
fastcgi_pass 127.0.0.1:9000;
改成
fastcgi_pass unix:/var/run/php5-fpm.sock;
注2
upgrade和 dist-upgrade的区别:
dist-upgrade会识别出当依赖关系改变的情形并作出处理,而upgrade对此情形不处理。

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