Note that although PHP's namespaces can be used for functions and constants as well as classes, the auto-loader technique only works for classes.

注意，尽管可以对函数、常量和类使用php名称空间，但是自动装载器技术只适用于类。

youdao

Cassette Loader, Auto Erase, High Image Quality, Fast Duty Cycle.

暗匣装片器，自动清除，高图像质量，快速循环工作。

youdao

Cassette Loader, Auto Erase, High Image Quality, Fast Duty Cycle.

暗匣装片器，自动清除，高图像质量，快速循环工作。

youdao