Modify string with given arguments

Modify string with given arguments

function getString()
    {
        $arg_list = func_get_args();
        $arguments_number = func_num_args();
        if ($arguments_number >= 2) {
            $string = $arg_list[0];
            preg_match_all('/{(.*?)}/', $string, $output_array);
            $params = $output_array[1];
            array_shift($arg_list);
            foreach ($params as $param) {
                $replace = $arg_list[$param] ?? '';
                $string = str_replace('{' . $param . '}', $replace, $string);
            }
            return $string;
        }
        return 'Not Enough Arguments';
    }

    echo getString('Hello {1} {0} {2}', 'Mr.', 'X');