[PHP-DEV] Desired namespace behavoir

[Bob Silva]

Looking for some feedback on what the expected behavior should be for class
and/or constant ambiguity within namespaces. For instance:

 

Classes.php:

 

namespace A {

    const FOO = 123;

    class Bar { . }

    class FooBaz { . }

}

 

namespace B {

    const FOO = 456;

    class Bar { . }

    class FooBar { . }

}

 

class Bar { . }

define('FOO', 789);

 

File.php:

 

import namespace A;

import namespace B;

 

 

$c = new Bar(FOO); // ambiguous classname/constant

 

Compile-time error on namespace B import? Or runtime error on ambiguous
class creation?

 

Jessie, how does your patch handle it? 

 

Looking at the modules patch, it appears to be a compile time error when the
second class is defined since it is based on zend_class_entry and
CG(class_tables).

 

 

Also, neither patch has scoped imports, they are global. Is this the
"preferred" method? Maybe it's the only method, not sure yet, still
scratching the surface here.

 

Bob