截取字符串长度，超出部分用省略号代替 PHP

function subText($text, $length)
{
    if (mb_strlen($text, 'utf8') > $length) {
        return mb_substr($text, 0, $length, 'utf8') . '......';
    } else {
        return $text;
    }
}

转载于:https://www.cnblogs.com/luqiang213917/p/11498355.html