initialize protected callback property with null

symfony · Oct 21, 2023 · 915282b · 915282b
1 parent 59b567e
commit 915282b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/StreamedResponse.php b/StreamedResponse.php
@@ -26,7 +26,7 @@
  */
 class StreamedResponse extends Response
 {
-    protected \Closure $callback;
+    protected ?\Closure $callback = null;
     protected bool $streamed = false;
 
     private bool $headersSent = false;