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Fix phpstan/phpstan#13688: Offset might not exist regression from phpstan 2.1.23 #5361

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Fix phpstan/phpstan#13688: Offset might not exist regression from phpstan 2.1.23 #5361

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3 changes: 3 additions & 0 deletions src/Rules/Arrays/NonexistentOffsetInArrayDimFetchCheck.php
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,9 @@
if (
$innerType->hasOffsetValueType($innerDimType)->no()
) {
if ($innerType->isString()->yes() && $innerDimType->isInteger()->yes()) {

Check warning on line 129 in src/Rules/Arrays/NonexistentOffsetInArrayDimFetchCheck.php

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GitHub Actions / Mutation Testing (8.3, ubuntu-latest) 

Escaped Mutant for Mutator "PHPStan\Infection\TrinaryLogicMutator":

@@ @@
 					if (
 						$innerType->hasOffsetValueType($innerDimType)->no()
 					) {
-						if ($innerType->isString()->yes() && $innerDimType->isInteger()->yes()) {
+						if ($innerType->isString()->yes() && !$innerDimType->isInteger()->no()) {
 							continue;
 						}
 						$report = true;

Check warning on line 129 in src/Rules/Arrays/NonexistentOffsetInArrayDimFetchCheck.php

View workflow job for this annotation

GitHub Actions / Mutation Testing (8.3, ubuntu-latest) 

Escaped Mutant for Mutator "PHPStan\Infection\TrinaryLogicMutator":

@@ @@
 					if (
 						$innerType->hasOffsetValueType($innerDimType)->no()
 					) {
-						if ($innerType->isString()->yes() && $innerDimType->isInteger()->yes()) {
+						if (!$innerType->isString()->no() && $innerDimType->isInteger()->yes()) {
 							continue;
 						}
 						$report = true;

Check warning on line 129 in src/Rules/Arrays/NonexistentOffsetInArrayDimFetchCheck.php

View workflow job for this annotation

GitHub Actions / Mutation Testing (8.4, ubuntu-latest) 

Escaped Mutant for Mutator "PHPStan\Infection\TrinaryLogicMutator":

@@ @@
 					if (
 						$innerType->hasOffsetValueType($innerDimType)->no()
 					) {
-						if ($innerType->isString()->yes() && $innerDimType->isInteger()->yes()) {
+						if ($innerType->isString()->yes() && !$innerDimType->isInteger()->no()) {
 							continue;
 						}
 						$report = true;

Check warning on line 129 in src/Rules/Arrays/NonexistentOffsetInArrayDimFetchCheck.php

View workflow job for this annotation

GitHub Actions / Mutation Testing (8.4, ubuntu-latest) 

Escaped Mutant for Mutator "PHPStan\Infection\TrinaryLogicMutator":

@@ @@
 					if (
 						$innerType->hasOffsetValueType($innerDimType)->no()
 					) {
-						if ($innerType->isString()->yes() && $innerDimType->isInteger()->yes()) {
+						if (!$innerType->isString()->no() && $innerDimType->isInteger()->yes()) {
 							continue;
 						}
 						$report = true;
continue;
}
$report = true;
break 2;
}
Expand Down
5 changes: 5 additions & 0 deletions tests/PHPStan/Rules/Arrays/NonexistentOffsetInArrayDimFetchRuleTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1277,4 +1277,9 @@ public function testBug14308(): void
$this->analyse([__DIR__ . '/data/bug-14308.php'], []);
}

public function testBug13688(): void
{
$this->analyse([__DIR__ . '/data/bug-13688.php'], []);
}

}
12 changes: 12 additions & 0 deletions tests/PHPStan/Rules/Arrays/data/bug-13688.php
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
<?php declare(strict_types = 1);

namespace Bug13688;

$inputs = [ '', ':' ];

foreach ( $inputs as $input )
{
$inputLen = \strlen($input);
$hasTrailingColon = $inputLen > 0 && $input[$inputLen-1] === ':';
echo $hasTrailingColon ? "{$input} has trailing colon\n" : "{$input} does not have trailing colon\n";
}
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