8000 [VarDumper] Keep a ref to objects to ensure their handle cannot be reused while cloning by nicolas-grekas · Pull Request #30350 · symfony/symfony · GitHub
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[VarDumper] Keep a ref to objects to ensure their handle cannot be reused while cloning #30350

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Merged
merged 1 commit into from
Feb 23, 2019
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[VarDumper] Keep a ref to objects to ensure their handle cannot be reused while cloning #30350

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2 changes: 2 additions & 0 deletions src/Symfony/Component/VarDumper/Cloner/VarCloner.php
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< 6407 td id="diff-27fadd95a89adb229b33890577a4495e15bdbc1b25f12c44f7afa8a12a00d37bL38" data-line-number="38" class="blob-num blob-num-context js-linkable-line-number">
Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ protected function doClone($var)
$indexedArrays = []; // Map of queue indexes that hold numerically indexed arrays
$hardRefs = []; // Map of original zval hashes to stub objects
$objRefs = []; // Map of original object handles to their stub object counterpart
$objects = []; // Keep a ref to objects to ensure their handle cannot be reused while cloning
$resRefs = []; // Map of original resource handles to their stub object counterpart
$values = []; // Map of stub objects' hashes to original values
$maxItems = $this->maxItems;
Expand Down Expand Up @@ -200,6 +201,7 @@ protected function doClone($var)
}
if (empty($objRefs[$h])) {
$objRefs[$h] = $stub;
$objects[] = $v;
} else {
$stub = $objRefs[$h];
++$stub->refCount;
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0