PMA\libraries\Template::__call PHP Method

    public function __call($funcName, $arguments)
    {
        if (isset($this->helperFunctions[$funcName])) {
            return call_user_func_array($this->helperFunctions[$funcName], $arguments);
        } else {
            throw new \LogicException('The function "' . $funcName . '" is not associated with the template.');
        }
    }