In the above example we define some constants, get the site path, and also check to make sure that the current PHP version is at least5.1.

在上面的例子里我们定义了一些常量，得到了站点的路径，并且还检查了当前的PHP版本至少应该是5.1。

youdao

Each extended site defines its store path, which indicates where its configuration data comes from.

每个扩展站点都定义了它的存储路径，说明它的配置数据源于哪里。

youdao

Your site already contains paths, and probably already has the most important kind of spider path: your site map.

您的站点已经包含路径，而且可能已经有了最重要的爬行器路径类型：站点地图。

youdao

He left Facebook last year to cofound private social-sharing site Path, which now has more than a million users.

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UNESCO: Communication and Information