ubuntu 同时装php5.3和5.2

项目中要用到zend Optimizer,但是目前只支持php5.2,Ubuntu默认安装的php版本为5.3,找了好多 方法,终于借助下面这篇文章的方法成功的安装了5.2及5.3两个版本的php Although Drupals 7+ run smoothly on PHP 5.3, Drupal 6 still feels much better with PHP 5.2. Even though D6 core is compatible with PHP 5.3 for quite some time now, a lot of contributes modules still ge