vimeo/psalm

Make callable case sensitive

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#8,089 opened on Jun 11, 2022

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Help wantedenhancement

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Description

https://psalm.dev/r/c501c4d192

This is perfectly valid PHP, since function and class names are case insensitive. However I think it would be good form to enforce case-sensitivity for callables.

Contributor guide

Research direction
Examine Psalm's callable type resolution to find where case insensitivity occurs, then add a strict comparison to enforce case sensitivity.
Tech stack
php
Domain
devtools
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
PHP
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70