createEvent.php~

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <body>
        <?php
        if ($_GET) {
            
            require_once 'bootstrap.php';

            $administrator = $entityManager->find('User',6);
            
            $event = new Event();

            $event->setName($_GET['name'])
                  ->setDate($_GET['date']);

            $event->setIdAdministratorUser($administrator);

            $entityManager->persist($event);
            $entityManager->flush();

            echo 'passou';
        }
        ?>
        <a href="formCreate.php">Adicionar um novo usuário</a>
    </body>
</html>