Question

为什么当我在php中编写测试时...

foreach ($rounds as $round){
    $assignment = $em->getRepository(‘WorkBundle:Doc’)->findOneBy(array(
        ‘user’ => $user->getId(),
        ’whichRound’ => $round,
    ));

   if (!$assignment){
    echo “assign ”.$round. “ to user”;
   }else{
    echo “already assigned to ”.$round. “ to user”;
   }
 }

return array (
    'user' =>  $user,
    'assignment' => $assignment,
    'rounds' => $rounds,
);

......它运作正常。当赋值为空时，它将输出“assign ”.$round. “ to user”;，当它不为空时，它将输出“already assigned to ”.$round. “ to user”;。

然而，当我使用上面返回的变量进入我的twig模板并执行...

{% for round in rounds %}
    {% if assignment is null %}
        <h2>{{ user }} successfully added to {{ round }}</h2>
    {% else %}
        <h2>{{ user }} has already been assigned to the {{ round }}</h2>
    {% endif %}
{% endfor %}

......它无法正常工作？它将输出相同的消息两次...在一个例子中，如果第一轮为空而第二轮不为空，它将输出第二条消息{{ user }} has already been assigned to the {{ round }}两次。

我搞砸了什么？

Answer 1

当您在代码中浏览foreach循环时，每次都会设置folder_name.html。当您返回数组时，您只返回 last 时间folder_name已设置。

看起来$assignment是一个数字数组，您希望将该轮与分配结果相关联。基于此，我建议建立一个像这样的新阵列：

$assignment

您的Twig模板将如下所示：

$rounds

Twig与php不同

1 个答案: