batch a closure (#54587)

Author: cosmastech

src/Illuminate/Bus/PendingBatch.php

@@ -98,7 +98,7 @@ public function add($jobs)
     protected function ensureJobIsBatchable(object|array $job): void
     {
         foreach (Arr::wrap($job) as $job) {
-            if ($job instanceof PendingBatch) {
+            if ($job instanceof PendingBatch || $job instanceof Closure) {
                 return;
             }
 

tests/Bus/BusPendingBatchTest.php

@@ -244,6 +244,17 @@ public function test_it_throws_an_exception_if_batched_job_contains_batch_with_n
             )
         );
     }
+
+    public function test_it_can_batch_a_closure(): void
+    {
+        new PendingBatch(
+            new Container,
+            new Collection([
+                function() {}
+            ])
+        );
+        $this->expectNotToPerformAssertions();
+    }
 }
 
 class BatchableJob