Display split results in Symfony2 twig

Question

I have a function in my Symfony controller which returns the following: test+testString1+test2

TestController.php

public function getResultAction($fileName) {
    $string1="test";
    $string2="testString1";
    $string3="test2";
    $response = $string1."+".$string2."+".$string3;

    return new Response($response);
}

In my twig I've rendered the function in my controller:

test.html.twig

{% set test %}
    {{ render(controller('TestBundle:Test:getResult')) }}|split('+', 4)
{% endset %}

{{ test[0] }}

I'm using twig split filter so that I can display test, testString1 and test2 individually. But then whenever I attempt to display test[0], I receive the following error:

Impossible to access a key "0" on an object of class "Twig_Markup" that does not implement ArrayAccess interface in TestBundle:Test:test.html.twig

What's wrong with what I'm doing? I hope you could help me with this. Thanks

Matteo · Accepted Answer · 2016-02-16 04:21:59Z

1

You miss the split filter inside the double brace as follow:

{% set test %}
    {{ render(controller('TestBundle:Test:getResult')) |split('+', 4) }}
{% endset %}

Hovenever seems same problem with the set tag. From the doc:

The set tag can also be used to 'capture' chunks of text

Try with:

{% 
   set test=render(controller('TestBundle:Test:getResult'))|split('+', 4)
%}

Hope this help

answered Feb 16, 2016 at 4:21

Matteo

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