Passing array values for loop TWIG+symfony

Question

Before I go on with my code, I apologize in advance. I am just starting to learn twig and symfony.

Ok, so I have a controller that renders a simple html.twig. Where I am stuck is at the syntax of passing values in the for loop. Let me show you what I have:

Controller:

namespace AppBundle\Controller;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;

class DefaultController extends Controller
{
 /**
 * @Route("/", name="homepage")
 */
public function indexAction(Request $request)
{
    // replace this example code with whatever you need
    return $this->render('default/mine.html.twig', array(
        'user_name' => 'trolol',
        'one_li' => 'Learn Symfony',
        'two_li' => 'Learn Controller',
        'three_li' => 'Learn Twig',
        'four_li' => 'Eat',
        'nav' => array(
            '1':'11',
            '2':'22'
        )
    );
};
}

Twig:

<p>Welcome <h2>{{ user_name }}</h2></p>
    <p> To Do:
    <br />
    <ul>
        <li>{{ one_li }}</li>
        <li>{{ two_li }}</li>
        <li>{{ three_li }}</li>
        <li>{{ four_li }}</li>
    </ul>
    <br />
    <ul id="nav">
        {% for link,text in nav %}
            <li><a href="{{ link }}">{{ text }}</a></li>
        {% endfor %}
    </ul>

If I remove the loop part of the twig and controller, it works as expected. So now, I am stuck on figuring out the syntax for what I am trying to do. Any help on how I would accomplish what I am failing it?

viktor77 · Accepted Answer · 2015-10-09 14:26:38Z

1

Instead of this

'nav' => array(
            '1':'11',
            '2':'22'
        )

You must use this:

'nav' => array(
            '1' => '11',
            '2' => '22'
        )

Your Twig code seems okay. You just can't define arrays in PHP the way you did.

EDIT: Looks like you have some typos. Try with this code:

<?php
namespace AppBundle\Controller;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Symfony\Bundle\FrameworkBundle\Controller\Controller;
use Symfony\Component\HttpFoundation\Request;

class DefaultController extends Controller
{
     /**
     * @Route("/", name="homepage")
     */
    public function indexAction(Request $request)
    {
        // replace this example code with whatever you need
        return $this->render('default/mine.html.twig', array(
            'user_name' => 'trolol',
            'one_li' => 'Learn Symfony',
            'two_li' => 'Learn Controller',
            'three_li' => 'Learn Twig',
            'four_li' => 'Eat',
            'nav' => array('1' => '11', '2' =>'22')
        ));
    }
}

edited Oct 9, 2015 at 14:26

answered Oct 9, 2015 at 14:19

viktor77

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4 Comments

user1830833 Over a year ago

I tried that earlier, but I get CRITICAL - Fatal Parse Error: syntax error, unexpected ';' on line 25 /// if I delete the ; I get an error unexpected } etc etc.

viktor77 Over a year ago

Edited my answer. Check it

user1830833 Over a year ago

Oh wow. I was missing one closing ) there. Thank you very much. One last question since we are on the subject. If I wanted to pass a one more, so something like this <li><a href="{{ link }}">{{ text }} {{ third }}</a></li> Would the syntax be? 'nav' => array( '1' => '11' => '111', '2' => '22' => '222' ))

viktor77 Over a year ago

No, you can't define it like that. You should add a dimension to array: 'nav' => array('1' => array('11', '111'), '2' => array('2' => array('22', '222'))) and you should change Twig code as well. It would get harder. If you are gonna print them the way you described, "text" followed by "third" whith a blank space in the middle you could define the array this way 'nav' => array('1' => '11 111' , '2' => '22 222'). They could be variables of course.

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