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In php-parser 5.0, `ClosureUse` is no longer considered an expression. This requires changes to Psalm's `CheckTrivialExprVisitor`, which stores an array of "non-trivial" `Expr` nodes. However the only use of this array is to count whether or not it's empty. Instead of keeping the array, we can keep a boolean, and avoid needing to change the types in this class when we upgrade to php-parser 5.0.
Psalm
Psalm is a static analysis tool for finding errors in PHP applications.
Installation
To get started, check out the installation guide.
Live Demo
You can play around with Psalm on its website.
Documentation
Documentation is available on Psalm’s website, generated from the docs folder.
Interested in contributing?
Have a look at CONTRIBUTING.md.
Who made this
Built by Matt Brown (@muglug).
Maintained by Orklah (@orklah), Daniil Gentili (@danog), and Bruce Weirdan (@weirdan).
The engineering team at Vimeo have provided a lot encouragement, especially @nbeliard, @erunion and @nickyr.