phpstan level 3

Author: dbu

Diff for: phpstan.neon.dist

@@ -1,5 +1,5 @@
 parameters:
-    level: 2
+    level: 3
     paths:
         - src
 

Diff for: src/Test/EventDispatchingHttpCacheTestCase.php

@@ -282,7 +282,6 @@ public function testPreInvalidateCalled(): void
         $testListener = new TestListener($this, $httpCache, $request);
         $this->assertTrue(method_exists($httpCache, 'addSubscriber'));
         $httpCache->addSubscriber($testListener);
-        $this->assertTrue(method_exists($httpCache, 'addSubscriber'));
         $httpCache
             ->method('pass')
             ->with($request)
@@ -311,7 +310,6 @@ public function testPreInvalidateReturnEarly(): void
         $testListener->preInvalidateResponse = $response;
         $this->assertTrue(method_exists($httpCache, 'addSubscriber'));
         $httpCache->addSubscriber($testListener);
-        $this->assertTrue(method_exists($httpCache, 'addSubscriber'));
         $httpCache
             ->expects($this->never())
             ->method('pass')

Diff for: src/Test/WebServerSubscriber.php

@@ -83,7 +83,7 @@ public function startPhpWebServer(): int
 
         $this->waitFor($this->getHostName(), (int) $this->getPort(), 2000);
 
-        return $output[0];
+        return (int) $output[0];
     }
 
     public function getHostName(): string