Microweber\Utils\Format::string_between PHP Method

    public function string_between($string, $start, $end)
    {
        $string = ' ' . $string;
        $ini = strpos($string, $start);
        if ($ini == 0) {
            return '';
        }
        $ini += strlen($start);
        $len = strpos($string, $end, $ini) - $ini;
        return substr($string, $ini, $len);
    }