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Right side of instanceof operator is always evaluated when evaluated #6112

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mvorisek opened this issue Nov 29, 2021 · 3 comments

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bug

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Contributor

mvorisek commented Nov 29, 2021

Bug report

Variable defined in if or expr is always defined, but reported as undefined.

Code snippet that reproduces the problem

https://phpstan.org/r/2f2a7985-770e-475f-b7b9-e1baee21eb09

Expected output

no error

ondrejmirtes added the bug label

ondrejmirtes added this to the Easy fixes milestone

Contributor

phpstan-bot commented Feb 25, 2022

@mvorisek After the latest commit in dev-master, PHPStan now reports different result with your code snippet:

@@ @@
-17: Variable $w might not be defined.
+No errors

Member

ondrejmirtes commented Feb 25, 2022

Fixed: phpstan/phpstan-src@cc6655f

ondrejmirtes closed this as completed

ondrejmirtes added a commit to phpstan/phpstan-src that referenced this issue


          Regression tests

86fd620

Closes phpstan/phpstan#5893
Closes phpstan/phpstan#6070
Closes phpstan/phpstan#5869
Closes phpstan/phpstan#6212
Closes phpstan/phpstan#6262
Closes phpstan/phpstan#6266
Closes phpstan/phpstan#6023
Closes phpstan/phpstan#6108
Closes phpstan/phpstan#6020
Closes phpstan/phpstan#1746
Closes phpstan/phpstan#1516
Closes phpstan/phpstan#6174
Closes phpstan/phpstan#6112
Closes phpstan/phpstan#5749
Closes phpstan/phpstan#5969
Closes phpstan/phpstan#5295
Closes phpstan/phpstan#5675
Closes phpstan/phpstan#5369
Closes phpstan/phpstan#6699
Closes phpstan/phpstan#6505

github-actions bot commented Mar 29, 2022

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a new issue for related bugs.

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