[PHP] Duplicate interface name in implements delaration must produce error
Open
kind:feature
needs:triage
PHP
- Dominant language
- Java
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Description
### Apache NetBeans version
Apache NetBeans 18
### What happened
Duplicate interface name in implements delaration must produce error.
### How to reproduce
```php
Contributor guide
Research direction
Start by reproducing the issue with the PHP snippet in the report and inspect the PHP editor's diagnostic path for class implements declarations. The change is complete when a duplicated interface name is reported as an error for this example; no source file or test is identified in the issue.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- php
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 38/100