[Cache] Ensure key exists before checking array value #30621
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nicolas-grekas
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Mar 25, 2019
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Thank you @jrjohnson. |
fabpot
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Mar 27, 2019
…ohnson) This PR was merged into the 4.2 branch. Discussion ---------- [Cache] Ensure key exists before checking array value | Q | A | ------------- | --- | Branch? | 4.2 | Bug fix? | yes | New feature? | no | BC breaks? | no | Deprecations? | no | Tests pass? | yes | Fixed tickets | | License | MIT | Doc PR | Without this fix we're getting warnings like ``` PHP Notice: Undefined index: %5BOUR-KEY%5D%5B1%5D in vendor/symfony/cache/Traits/PhpFilesTrait.php on line 136 ``` when doing a `$cache->contains()` in some cases. I'm having a lot of trouble tracking down exactly when and where this error will happen and what changes in our app / cache cause it, but this fix seems benign enough that maybe it can be merged without that backstory. Commits ------- f8b4ade Ensure key exists before checking array value
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Without this fix we're getting warnings like
when doing a
$cache->contains()in some cases. I'm having a lot of trouble tracking down exactly when and where this error will happen and what changes in our app / cache cause it, but this fix seems benign enough that maybe it can be merged without that backstory.