public static function getInstance()
{
if (RevsliderPrestashop::$instance instanceof RevsliderPrestashop) {
return RevsliderPrestashop::$instance;
}
return RevsliderPrestashop::$instance = new RevsliderPrestashop();
}
function _e($text, $textdomain = '')
{
$mod = new RevsliderPrestashop();
echo $mod->l($text);
}