Variables should not be namespaced

[weirdan]

https://psalm.dev/r/0cbef292cd

https://3v4l.org/2qvrC

[psalm-github-bot]

I found these snippets:

https://psalm.dev/r/0cbef292cd

<?php

namespace A {
    $a = 1;
}
namespace B {
    $b = 2;
}
namespace {
    echo $a . PHP_EOL;
    echo $b . PHP_EOL;
}

Psalm output (using commit c3cc906):

INFO: UnusedVariable - 4:5 - $a is never referenced or the value is not used

INFO: UnusedVariable - 7:5 - $b is never referenced or the value is not used

ERROR: UndefinedGlobalVariable - 10:10 - Cannot find referenced variable $a in global scope

INFO: MixedOperand - 10:10 - Left operand cannot be mixed

ERROR: UndefinedGlobalVariable - 11:10 - Cannot find referenced variable $b in global scope

INFO: MixedOperand - 11:10 - Left operand cannot be mixed