Fix PHP warning when using Composer 1

symfony · Jun 6, 2022 · 2744418 · 2744418
1 parent c36d11d
commit 2744418
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Flex.php b/src/Flex.php
@@ -304,7 +304,7 @@ public function configureInstaller()
                 $this->installer = $trace['object']->setSuggestedPackagesReporter(new SuggestedPackagesReporter(new NullIO()));
 
                 $updateAllowList = \Closure::bind(function () {
-                    return $this->updateWhitelist ?? $this->updateAllowList;
+                    return $this->updateWhitelist ?? $this->updateAllowList ?? null;
                 }, $this->installer, $this->installer)();
 
                 if (['php' => 0] === $updateAllowList) {