A static analysis tool for finding errors in PHP applications





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3.16 2020-09-15 13:39 UTC

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Last update: 2020-09-26 17:31:44 UTC


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Psalm is a static analysis tool for finding errors in PHP applications, built on top of PHP Parser.

It's able to find a large number of issues, but it can also be configured to only care about a small subset of those.

Try a live demo, or install it in your project by following the Quickstart Guide below.

Psalm documentation

Documentation is available on Psalm’s website, generated from the docs folder.

To get started, check out the installation guide

Interested in contributing?

Have a look at


The engineering team @vimeo for encouragement and patience, especially @nbeliard, @erunion and @nickyr.