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PHP截取UTF-8字符串,解决半字符问题

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Release: 2016-06-21 09:00:48
Original
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function utf_substr($str,$len)
{
    for($i=0;$i    {
        $temp_str=substr($str,0,1);
        if(ord($temp_str) > 127){
            $i++;
        if($i            $new_str[]=substr($str,0,3);
            $str=substr($str,3);
            }
        }
    else {
        $new_str[]=substr($str,0,1);
        $str=substr($str,1);
        }
    }
    return join($new_str);
}



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