Think of it as your application's web root.

可以将它看作是您的应用程序的web根。

Let a global PHP_MATH variable have access to a non-Web root location, and.

使某个全局PHP_MATH变量有权访问非web根目录位置，并且。

On a final note, it is possible to move all software classes to a document root other than the Web root if you.

最后提一点，如果采取以下作法，可以将所有软件类移到web根目录之外的文档根目录。

For easier access to the application, define a new virtual host and set it to the application's Web root directory.

为了更方便地访问应用程序，需要定义一个新的虚拟主机并将其设置为该应用程序的web根目录。

You can also download the file and keep it in your own Web root, or download each of its constituent parts individually if you want to use only a portion of its features.

您还可以下载文件，并将它保存在自己的web根目录中，或者，如果只希望使用它的一部分特性，则可以下载它的各个组件。