Hi!
I'm trying to install Flarum locally using XAMPP.
After completing installation I got Flarum. But after first post - I got some error notification.
And after that I have next message instead my forum.
I have already tried adding "zendframework/zend-stratigility": "1.2.1" to composer.json (with composer update command) but whis no effect.
Maybe reason is that XAMPP using php 7.2+ ?
Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\Forum\flarum\vendor\flarum\core\src\Core\Post\RegisteredTypesScope.php on line 51
Fatal error: Uncaught RuntimeException: Output has been emitted previously; cannot emit response in C:\xampp\htdocs\Forum\flarum\vendor\zendframework\zend-diactoros\src\Response\SapiEmitterTrait.php:41 Stack trace: #0 C:\xampp\htdocs\Forum\flarum\vendor\zendframework\zend-diactoros\src\Response\SapiEmitter.php(30): Zend\Diactoros\Response\SapiEmitter->assertNoPreviousOutput() #1 C:\xampp\htdocs\Forum\flarum\vendor\zendframework\zend-diactoros\src\Server.php(167): Zend\Diactoros\Response\SapiEmitter->emit(Object(Zend\Diactoros\Response)) #2 C:\xampp\htdocs\Forum\flarum\vendor\flarum\core\src\Http\AbstractServer.php(34): Zend\Diactoros\Server->listen() #3 C:\xampp\htdocs\Forum\flarum\index.php(16): Flarum\Http\AbstractServer->listen() #4 {main} thrown in C:\xampp\htdocs\Forum\flarum\vendor\zendframework\zend-diactoros\src\Response\SapiEmitterTrait.php on line 41