Psalm is a type-checking static analysis tool for PHP that finds bugs humans can miss, and improves code quality. Try it at psalm.dev
Joined December 2018
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Also announcing the public beta of Psalm v7, with up to 10x performance improvements for security analysis, a new combined analysis mode and much more!
blog.daniil.it/2025/07/10/ps…
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Psalm retweeted
10 Jul 2025
I've also contributed the underlying deepbind patch to upstream PHP, and it will be available for everyone to use in PHP 8.5!
github.com/php/php-src/pull/…
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Announcing the official, hyperoptimized Psalm docker image, 50% faster than Psalm on normal PHP!
blog.daniil.it/2025/07/10/of…
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Introducing the new psalm-review tool: blog.daniil.it/2025/05/18/ps…
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Announcing a new series of blogposts about Psalm v6's innovative performance improvements!
Starting with Psalm 6.1 Deep Dive: Copy-on-Write dynamic task dispatching: blog.daniil.it/2025/05/11/ps…
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Announcing the release of Psalm v6!
blog.daniil.it/2025/05/11/ps…
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Psalm 5 is out! To symbolise this tremendous group effort we've translated the announcement into all the languages of Psalm's maintainers: psalm.dev/articles/psalm-5
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Psalm retweeted
15 Nov 2022
Running @psalmphp on my tests code has been a good decision so far. Makes it far easier to keep tests updated. Automation for the win!
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Psalm retweeted
8 Jul 2022
Wrote a @psalmphp plugin to ensure I'm marking classes as final properly. If a concrete class does need to be inherited you can mark it with an Attribute to suppress the error.
#php
github.com/cspray/phinal
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The literal-string type continues to do good work! It's now also supported in @phpstan (thx to @craigfrancis), which caught a SQL injection bug here: forum.nette.org/cs/35223-php…
New type just dropped: Psalm 4.8 supports a new literal-string type which you can use to prevent SQL-injection attacks: psalm.dev/r/55dec032b9
Find out more here: github.com/vimeo/psalm/relea…
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Psalm retweeted
16 Mar 2022
Me: 'Going from @psalmphp level 2 to level 1, how bad can it be?'
Psalm: 533 errors found
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Psalm retweeted
24 Feb 2022
As JetBrains we condemn the attacks taking place. Our hearts are with the Ukrainian people, including our own colleagues and their families.
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Psalm retweeted
2 Feb 2022
Done and done. phpcs applies my coding standard consistently and psalm statically analyzes codebase to make sure all types are correct. 99.5035% type safe according to psalm.
2 Feb 2022
80% is excellent IMO.
Now just add some linting and code quality rules and you are winning at life ;)
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Psalm retweeted
26 Jan 2022
👋 We're hiring a Senior Software Engineer in Berlin or remote! 💻 Build high-quality supply chain tools for thousands of devs in the PHP ecosystem 🐘 with the makers of #composerphp #php #phpc
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While most of the work on Psalm is about getting it understand your code right, there's a place for UI improvements as well.
There are several that are either already shipped or coming soon:
1. Psalm now linkifies files in supporting terminals (thanks to @gregorharlan)
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While most of the work on Psalm is about getting it understand your code right, there's a place for UI improvements as well.
There are several that are either already shipped or coming soon:
1. Psalm now linkifies files in supporting terminals (thanks to @gregorharlan)
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