public function load(IfwPsn_Vendor_Twig_Environment $env) { require_once IFW_PSN_LIB_ROOT . 'IfwPsn/Vendor/Twig/SimpleFunction.php'; $env->addFunction(new IfwPsn_Vendor_Twig_SimpleFunction('get_post', array($this, 'getPost'))); }