PHP Objects, Patterns, and Practice, Third Edition

CHAPTER 5 ■ OBJECT TOOLS

76

}

}

}

namespace main {

\com\getinstance\util\Debug::helloWorld();

}

If you must combine multiple namespaces in the same file, then this is the recommended practice.

Usually, however, it’s considered best practice to define namespaces on a per-file basis.

One feature that the braces syntax offers is the ability to switch to global space within a file. Earlier

on I used require_once to acquire code from global space. In fact, I could have just used the alternative

namespace syntax and kept everything on file.

namespace {

class Lister {

//...

}

}

namespace com\getinstance\util {

class Lister {

//...

}

Lister::helloWorld(); ...