/**
* Returns the translation of a string
*
* @param string $subject
* @param string $var_1
* @param string $var2
* @param string $var_n
* @return string
*/
public function translate($subject, $var_1 = '', $var2 = '', $var_n = '')
{
$args = func_get_args();
$variables = array();
if (1 < count($args)) {
foreach ($args as $key => $value) {
$variables['%' . $key] = $value;
}
}
unset($variables['%0']);
return $this->i18n->getTranslation($subject, $variables);
}