Merge pull request #36 from WyriHaximus/unlock-php-8

Author: WyriHaximus

.gitignore

@@ -1,3 +1,4 @@
+etc/qa/.phpunit.result.cache
 var/*
 !var/.gitkeep
 vendor/

composer.json

@@ -9,7 +9,7 @@
         }
     ],
     "require": {
-        "php": "^7.4",
+        "php": "^8 || ^7.4",
         "opis/closure": "^3.5",
         "react/event-loop": "^1.2",
         "react/promise": "^2.8",

composer.lock

@@ -28,7 +28,8 @@ public function testExecuteClosure(): void
 
         $result = $this->await($messenger->callRpc(
             MessageFactory::CLOSURE_EXECUTE,
-            MessageFactory::rpc(static function () use ($data): int {
+            /** @phpstan-ignore-next-line */
+            MessageFactory::rpc(static function () use ($data) {
                 return $data;
             })->getPayload()
         ));