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Open-source static analysis tool for PHP (By Vimeo)
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What is Psalm?

It is a type-checking static analysis tool for PHP that finds bugs humans can miss, and improves code quality. It is designed to be useful on both large legacy codebases and small, modern ones. It can help you prevent the vast majority of type-related runtime errors, and also enables you to take advantage of safe coding patterns popular in other languages.
Psalm is a tool in the Code Review category of a tech stack.
Psalm is an open source tool with 4.5K GitHub stars and 478 GitHub forks. Here’s a link to Psalm's open source repository on GitHub

Who uses Psalm?

4 companies reportedly use Psalm in their tech stacks, including Like Центр, RegistreSécurité, and JazzHR.

9 developers on StackShare have stated that they use Psalm.

Psalm Integrations

Psalm's Features

  • Open-source
  • Static analysis tool
  • Identify both obvious and hard-to-spot bugs in your code
  • Can automatically fix a number of the errors it finds

Psalm Alternatives & Comparisons

What are some alternatives to Psalm?
A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain your code quality with ease.
Prettier is an opinionated code formatter. It enforces a consistent style by parsing your code and re-printing it with its own rules that take the maximum line length into account, wrapping code when necessary.
SonarQube provides an overview of the overall health of your source code and even more importantly, it highlights issues found on new code. With a Quality Gate set on your project, you will simply fix the Leak and start mechanically improving.
Code Climate
After each Git push, Code Climate analyzes your code for complexity, duplication, and common smells to determine changes in quality and surface technical debt hotspots.
An extensible static analysis tool that checks TypeScript code for readability, maintainability, and functionality errors. It is widely supported across modern editors & build systems and can be customized with your own lint rules, configurations, and formatters.
See all alternatives

Psalm's Followers
18 developers follow Psalm to keep up with related blogs and decisions.