php从右到左反向发送电子邮件

Question

我有电子邮件:ue.aporue.lraporue@otlatnom-dratta.nhoj

我希望它像:

john.attard-montalto@europarl.europa.eu

当我使用revWords('ue.aporue.lraporue@otlatnom-dratta.nhoj');我得到:

eu.europa.europarl@montalto-attard.john

function revWords($string) {
    //We need to find word boundries
    $wordChars = 'abcdefghijklmnopqrstuvwxyz';
    $buffer = '';
    $return = '';
    $len = strlen($string);
    $i = 0;
    while ($i < $len) {
        $chr = $string[$i];
        if (($chr & 0xC0) == 0xC0) {
            //UTF8 Characer!
            if (($chr & 0xF0) == 0xF0) {
                //4 Byte Sequence
                $chr .= substr($string, $i + 1, 3);
                $i += 3;
            } elseif (($chr & 0xE0) == 0xE0) {
                //3 Byte Sequence
                $chr .= substr($string, $i + 1, 2);
                $i += 2;
            } else {
                //2 Byte Sequence
                $i++;
                $chr .= $string[$i];
            }
        }
        if (stripos($wordChars, $chr) !== false) {
            $buffer = $chr . $buffer;
        } else {
            $return .= $buffer . $chr;
            $buffer = '';
        }
        $i++;
    }
    return $return . $buffer;
}

有人可以帮助我谢谢

Answer 1

PHP有一个内置函数来反转字符串:http: //php.net/manual/en/function.strrev.php

使用有什么不对

//strrev ( string $string )

echo strrev('ue.aporue.lraporue@otlatnom-dratta.nhoj');

//Returns john.attard-montalto@europarl.europa.eu