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8e77ff1ce9
* Fix path to psalm * If a magic getter or setter is used to access a property on a class that is not defined but a `@property` annotation for the property exists, throw an error. If no `@property` annotation exists, it's not an error because you're allowed to make magic getters and setters do crazy things. Fixes #480 * Move logic to a better place to avoid duplicate checks * Move logic into function * Remove some nesting * Check psalm-seal-properties and property type correctly
Psalm is a static analysis tool for finding errors in PHP applications.
- v0.3.x supports checking PHP 5.4 - 7.1 code, and requires PHP 5.6+ to run.
- v0.2.x supports checking PHP 5.4 - 7.0 code and requires PHP 5.4+ to run.
Check out the wiki or try a live demo!
Quickstart Guide
Install via Composer:
composer require --dev vimeo/psalm
Add a config:
./vendor/bin/psalm --init
Then run Psalm:
./vendor/bin/psalm
The config created above will show you all issues in your code, but will emit INFO issues (as opposed to ERROR) for certain common trivial code problems. If you want a more lenient config you can specify the level with
./vendor/bin/psalm --init [source_dir] [level]
You can also learn how to suppress certain issues.
How Psalm Works
A basic rundown of Psalm’s internals can be found in docs/how_psalm_works.md.
Acknowledgements
The engineering team @vimeo for encouragement and patience, especially @nbeliard, @erunion and @nickyr.
Thanks also to @nikic for creating the excellent php-parser, on top of which Psalm is built.