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Initialize $cache_key variable in CelerityResourceController.php

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Summary:
`$cache_key` is unconditionally called in `$cache->setKey($cache_key, $data)` but is only defined if the previous condition `if ($is_cacheable && $is_locally_cacheable && !$dev_mode)` was true.
Thus initialize the variable to avoid a theoretical exception. (No additional null check is needed as `$cache` gets defined in the same condition.)

Test Plan: Carefully read the code.

Reviewers: O1 Blessed Committers, valerio.bozzolan

Reviewed By: O1 Blessed Committers, valerio.bozzolan

Subscribers: tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Differential Revision: https://we.phorge.it/D25642
This commit is contained in:
Andre Klapper 2024-05-16 11:45:12 +02:00
parent 10cb252163
commit c1d86da5b2
1 changed files with 2 additions and 1 deletions
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3
src/applications/celerity/controller/CelerityResourceController.php
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@ -59,6 +59,7 @@ abstract class CelerityResourceController extends PhabricatorController {
} }
$cache = null; $cache = null;
$cache_key = null;
$data = null; $data = null;
if ($is_cacheable && $is_locally_cacheable && !$dev_mode) { if ($is_cacheable && $is_locally_cacheable && !$dev_mode) {
$cache = PhabricatorCaches::getImmutableCache(); $cache = PhabricatorCaches::getImmutableCache();
@ -98,7 +99,7 @@ abstract class CelerityResourceController extends PhabricatorController {
$data = $xformer->transformResource($path, $data); $data = $xformer->transformResource($path, $data);
} }
if ($cache) { if ($cache && $cache_key !== null) {
$cache->setKey($cache_key, $data); $cache->setKey($cache_key, $data);
} }
} }