Webservice/Twig/GetJSONExtension.php

<?php

namespace WebserviceBundle\Twig;

use Buzz\Message\RequestInterface as HttpRequestInterface;
use WebserviceBundle\Services\Webservice;
use WebserviceBundle\Utils\HttpUtils;

class GetJSONExtension extends \Twig_Extension
{

    /**
     * @var Webservice
     */
    protected $webservice;


    /**
     * @param Webservice $webservice
     */
    public function __construct(Webservice $webservice)
    {
        $this->webservice = $webservice;
    }

    /**
     * @return array
     */
    public function getFunctions()
    {
        return array(
            new \Twig_SimpleFunction('get_json', array($this, 'getJSON')),
        );
    }

    /**
     * @param int $clientId
     *
     * @return string
     */
    public function getJSON($parameter = 'client', $filters = [])
    {
        $url = $this->webservice->buildUrl($parameter, $filters);

        return current(json_decode($this->webservice->makeGetRequest($url), true));
    }

    /**
     * @return string
     */
    public function getName()
    {
        return 'get_json_extension';
    }

}