Fixed an error when output buffering disabled

qruto · Dec 14, 2023 · 201b005 · 201b005
1 parent f61d8c2
commit 201b005
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/Sse/ServerSentEvent.php b/src/Sse/ServerSentEvent.php
@@ -60,7 +60,11 @@ public function __toString(): string
     public function __invoke()
     {
         echo $this;
-        ob_flush();
+
+        if (ob_get_level()) {
+            ob_flush();
+        }
+
         flush();
     }