如何遍历symfony（Doctrine）结果对象

Question

I have the following query:

function indexAction()
{
    $u = $this->getDoctrine()->getRepository("AppBundle:Users")->findAll( \Doctrine\ORM\AbstractQuery::HYDRATE_ARRAY );

    return $this->render("default/test.html.twig", ["users" => $u]);
}

And I loop through it in Twig Template with this loop:

{%  for item in users %}
<li>{{ item.email }} : </li>
{%  endfor %}

And I encounter this error:

Impossible to access a key "name" on an object of class "AppBundle\Entity\Users" that does not implement ArrayAccess interface in default/test.html.twig at line

Answer 1

Something is wrong. You pass users variable to the template, but you are using myItems in the for loop.

Try this:

{% for item in users %}
    {{ dump(item) }}<br />
{% endfor %}

Answer 2

Does your class implements ArrayAccess in your entity definition ?

class Foo implements ArrayAccess

You will have to add several methods in your class for this to work :

To implement ArrayAccess you need to implement four methods: offsetExists, offsetGet, offsetSet and offsetUnset. ArrayAccess::offsetExists must return a boolean, offsetGet can return any valid PHP type while offsetSet and offsetUnset should not return any value. Once you implement these methods you can treat an object as if it is an array for the purposes of saving and retrieving properties

More details here .