assertContains没有得到正确的输出它是如何工作的？

Question

i have a code like this but the assertion is not working . $user6_notification has user8 and user10 , how can i check the user id is in the user notification? assertContains

foreach ($user6_notification as $notification) {
            $this->assertContains($user8["id"],$notification->userId);
        }

Answer 1

foreach ($user6_notification as $notification) {
    $this->assertContains($notification->userId, array($user8["id"], $user10["id"]));
}

Just changed the action in for loop. Got it.