phan/phan

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

5623 stars · 367 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Phan is a static analyzer for PHP that finds bugs in code before it runs, focusing on type compatibility checking and minimizing false positives. It proves incorrectness rather than correctness and supports analyzing PHP 8.1-8.5 syntax.

Use cases

• find bugs in php code before running it
• static type checking for php project
• catch undefined variables and dead code in php
• verify php code compatibility with php 8.1-8.5
• incrementally add static analysis to a legacy php codebase
• check phpdoc annotations and type safety in php

When to choose

• you maintain a PHP codebase and want to catch type errors and bugs before runtime
• you want a low-false-positive analyzer that can be introduced incrementally
• you need to verify compatibility with newer PHP syntax versions

When to avoid

• you need a general-purpose linter for code style rather than bug detection
• your project is not written in PHP
• you cannot install the php-ast extension and need exact doc comment parsing

Facets

cli-tool · maturity active

testing linter developer-tools developer-tools programming-languages testing php cli cross-platform static-analysis php type-checking code-quality bug-detection

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