Implémentation basique de instanceof pour Twig

InstanceOfTest.php

<?php

class InstanceOfTest extends \Twig_Node_Expression_Test
{
    public function compile(\Twig_Compiler $compiler)
    {
        $compiler
            ->raw('(')
            ->subcompile($this->getNode('node'))
            ->raw(' instanceof ')
            ->raw($this->getNode('arguments')->getNode(0)->getAttribute('value'))
            ->raw(')');
    }
}

/**
 * Register:
 * $twig->addTest(new \Twig_SimpleTest('instanceof', null, ['node_class' => 'InstanceOfTest']));
 *
 * Use:
 * {% if object is instanceof('class') %}
 */