Fix negative offset false positive on constant string#3784
Merged
ondrejmirtes merged 3 commits intophpstan:1.12.xfrom Feb 12, 2025
Merged
Fix negative offset false positive on constant string#3784ondrejmirtes merged 3 commits intophpstan:1.12.xfrom
ondrejmirtes merged 3 commits intophpstan:1.12.xfrom
Conversation
Member
|
The bug report is about an error, the regression test should be in RuleTestCase. |
staabm
commented
Jan 16, 2025
| if ($offsetType instanceof ConstantIntegerType) { | ||
| if ($offsetType->getValue() < strlen($this->value)) { | ||
| if ($strLenType->isSuperTypeOf($offsetType)->yes()) { | ||
| return new self($this->value[$offsetType->getValue()]); |
Contributor
Author
There was a problem hiding this comment.
this change also fixes a php warning which could happen on too small negative offsets (covered by the tests)
89c7f69 to
f5c2054
Compare
ondrejmirtes
requested changes
Jan 24, 2025
| { | ||
| if ($offsetType->isInteger()->yes()) { | ||
| $strLenType = IntegerRangeType::fromInterval(0, strlen($this->value) - 1); | ||
| $strLenType = IntegerRangeType::fromInterval(-strlen($this->value), strlen($this->value) - 1); |
Member
There was a problem hiding this comment.
You know you could ask for strlen() just once :)
feae16d to
7afe44a
Compare
Member
|
Thank you! |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
closes phpstan/phpstan#12122