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

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