참조 : https://www.xpressengine.com/qna/22514348

$tpl_path 사용하기

$oContext = &Context::getInstance();
$oContext->init();
$tpl_path = Context::get('tpl_path');
print_r($tpl_path);

$layout_info 사용하기

$oContext = &Context::getInstance();
$oContext->init();
$layout_info = Context::get('layout_info');
print_r($layout_info);
print_r($layout_info->path);