[HttpKernel] Handle nullable callback of StreamedResponse

elementaire · nicolas-grekas · commit 7dceaa11d594 · 2023-10-12T15:49:24.000+02:00
diff --git a/StreamedResponse.php b/StreamedResponse.php
@@ -56,8 +56,12 @@ public function setCallback(callable $callback): static
         return $this;
     }
 
-    public function getCallback(): \Closure
+    public function getCallback(): ?\Closure
     {
+        if (!isset($this->callback)) {
+            return null;
+        }
+
         return ($this->callback)(...);
     }
 

Original file line number	Diff line number	Diff line change
`@@ -56,8 +56,12 @@ public function setCallback(callable $callback): static`
`56`	`56`	`return $this;`
`57`	`57`	`}`
`58`	`58`
`59`		`- public function getCallback(): \Closure`
	`59`	`+ public function getCallback(): ?\Closure`
`60`	`60`	`{`
	`61`	`+ if (!isset($this->callback)) {`
	`62`	`+ return null;`
	`63`	`+ }`
	`64`	`+`
`61`	`65`	`return ($this->callback)(...);`
`62`	`66`	`}`
`63`	`67`