<?php
namespace Some\Bundle\Name\Twig;

class ScriptWrapExtension extends \Twig_Extension
{

    public function getFunctions()
    {
        return array(
          'script_start' => new \Twig_Function_Method($this, 'startScriptTag', array('is_safe' => array('html'))),
          'script_end' => new \Twig_Function_Method($this, 'endScriptTag', array('is_safe' => array('html'))),
        );
    }

    public function startScriptTag($id)
    {
        return sprintf('<script type="text/html" id="%s">', $id);
    }

    public function endScriptTag()
    {
        return sprintf('</script>');
    }

    public function getName()
    {
        return 'script_wrap_extension';
    }
}