if someone sets an empty string alias before, let that fall through to raise an extension later

henderkes · henderkes · commit 2ae73e6bb7a0 · 2025-11-29T14:19:31.000+01:00
diff --git a/src/Symfony/Component/Console/Command/Command.php b/src/Symfony/Component/Console/Command/Command.php
@@ -121,10 +121,10 @@ public function __construct(?string $name = null, ?callable $code = null)
             }
 
             // we must not overwrite existing aliases, combine new ones with existing ones
-            $aliases = array_unique(array_filter([
+            $aliases = array_unique([
                 ...$this->aliases,
-                ...$aliases,
-            ]));
+                ...array_filter($aliases),
+            ]);
 
             if ([] !== $aliases) {
                 $this->setAliases($aliases);
