Should I namespace global functions in PHP?

Question

In PHP, I\'m using namespaces at the class level. However, Netbeans keeps telling me namespace my global functions as well. For example, if I type

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Answer 1

Netbeans is simply not following the documented rules of resolving namespaces as documented:

1. global classes (like DateTime) need to be qualified otherwise, PHP will look for that class in the current namespace.
2. global functions (like array_filter) and constants will be found in the global namespace (without explicit qualification) if they do not exist in the current namespace.

In other words, your code should be considered idiomatic based on the documented rules.