php / php/doc-en

Use Attrbiute on intrerface

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Description

I don't find any documentation about using Attribute on interfaces

Example:

<?php

#[\Attribute]
final readonly class TestAttribute
{}

#[TestAttribute]
interface TestInterface {}

final readonly Test implements TestInterface {}

// If i try get class attribute with reflection
$t = new Test;
$r = new \ReflectionClass($t);
echo count($r->getAttributes()); // Display 0

And its valid using or not?

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by verifying the ReflectionClass and getAttributes behavior for attributes declared on interfaces, using the example in the issue. Locate the relevant PHP attribute and reflection documentation, then document whether this usage is valid and what reflection result users should expect.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
documentation
Issue type
Documentation
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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