feat(attributes): add support for spanAttributes, which allows to capture values

[Litarnus]

Add support for the special attribute spanAttributes which allows the extension to capture parameters and add them to the metadata array.

For example:

function foo(string $name) { ... }

\Sentry\instrument(null, "foo", spanAttributes: ['description' => 'name']);

setEndCallback(static function(array $data) {
    $data['metadata']['description']; <- will contain "example", the value of $name
});

foo("example");

[cursor]

Wrong function table for lookup

Medium Severity

Global spanAttributes rules are built only when instrument() resolves the target via CG(function_table), which is the current compilation unit’s table—not the request-wide registry. Registering instrumentation from another file (typical SDK bootstrap) leaves instrumented_func null, so rules are never stored while \Sentry\instrument still succeeds.

 

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

There are 2 total unresolved issues (including 1 from previous review).

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^{Reviewed by Cursor Bugbot for commit 3a7a4d8. Configure here.}