Fix fetching array parameters from the InputBag on Symfony 6 (#40609)

Author: X-Coder264

src/Illuminate/Http/Concerns/InteractsWithInput.php

@@ -7,6 +7,7 @@
 use Illuminate\Support\Facades\Date;
 use SplFileInfo;
 use stdClass;
+use Symfony\Component\HttpFoundation\InputBag;
 use Symfony\Component\VarDumper\VarDumper;
 
 trait InteractsWithInput
@@ -507,6 +508,10 @@ protected function retrieveItem($source, $key, $default)
             return $this->$source->all();
         }
 
+        if ($this->$source instanceof InputBag) {
+            return $this->$source->all()[$key] ?? $default;
+        }
+
         return $this->$source->get($key, $default);
     }
 

tests/Http/HttpRequestTest.php

@@ -676,6 +676,14 @@ public function testQueryMethod()
         $this->assertSame('Bob', $request->query('foo', 'Bob'));
         $all = $request->query(null);
         $this->assertSame('Taylor', $all['name']);
+
+        $request = Request::create('/', 'GET', ['hello' => 'world', 'user' => ['Taylor', 'Mohamed Said']]);
+        $this->assertSame(['Taylor', 'Mohamed Said'], $request->query('user'));
+        $this->assertSame(['hello' => 'world', 'user' => ['Taylor', 'Mohamed Said']], $request->query->all());
+
+        $request = Request::create('/?hello=world&user[]=Taylor&user[]=Mohamed%20Said', 'GET', []);
+        $this->assertSame(['Taylor', 'Mohamed Said'], $request->query('user'));
+        $this->assertSame(['hello' => 'world', 'user' => ['Taylor', 'Mohamed Said']], $request->query->all());
     }
 
     public function testPostMethod()