// display it right away
$tpl = _PS_ALL_THEMES_DIR_.'/my_theme/templates/index.tpl';
$this->context->smarty->display($tpl);
// or use it as html
$tpl = _PS_ALL_THEMES_DIR_.'/my_theme/templates/index.tpl';
$html = $this->context->smarty->fetch($tpl);
echo $html;
How to display any Smarty template?
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