Webservice/Twig/RemoteClientExtension.php

<?php

namespace WebserviceBundle\Twig;

use WebserviceBundle\Services\Webservice;

class RemoteClientExtension 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('remote_client', array($this, 'getClient')),
        );
    }

    /**
     * @param int $clientId
     * @return string
     */
    public function getClient($clientId)
    {
        $client = $this->webservice->getArray('client', array(
            'id' => $clientId
        ));
        
        return isset($client[0]) ? "{$client[0]['id']} - {$client[0]['name']}" : $clientId;
    }

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

}