[8.x] Allow method typed variadics dependencies (#40255)

* [8.x] Allow method typed variadics dependencies

* check array

Co-authored-by: Taylor Otwell <[email protected]>

Author: LeoColomb

src/Illuminate/Container/BoundMethod.php

@@ -172,7 +172,15 @@ protected static function addDependencyForCallParameter($container, $parameter,
 
                 unset($parameters[$className]);
             } else {
-                $dependencies[] = $container->make($className);
+                if ($parameter->isVariadic()) {
+                    $variadicDependencies = $container->make($className);
+
+                    $dependencies = array_merge($dependencies, is_array($variadicDependencies)
+                                ? $variadicDependencies
+                                : [$variadicDependencies]);
+                } else {
+                    $dependencies[] = $container->make($className);
+                }
             }
         } elseif ($parameter->isDefaultValueAvailable()) {
             $dependencies[] = $parameter->getDefaultValue();

tests/Container/ContainerCallTest.php

@@ -160,6 +160,29 @@ public function testCallWithDependencies()
         $this->assertSame('taylor', $result[1]);
     }
 
+    public function testCallWithVariadicDependency()
+    {
+        $stub1 = new ContainerCallConcreteStub;
+        $stub2 = new ContainerCallConcreteStub;
+
+        $container = new Container;
+        $container->bind(ContainerCallConcreteStub::class, function () use ($stub1, $stub2) {
+            return [
+                $stub1,
+                $stub2,
+            ];
+        });
+
+        $result = $container->call(function (stdClass $foo, ContainerCallConcreteStub ...$bar) {
+            return func_get_args();
+        });
+
+        $this->assertInstanceOf(stdClass::class, $result[0]);
+        $this->assertInstanceOf(ContainerCallConcreteStub::class, $result[1]);
+        $this->assertSame($stub1, $result[1]);
+        $this->assertSame($stub2, $result[2]);
+    }
+
     public function testCallWithCallableObject()
     {
         $container = new Container;