织梦php汉字字符串中间插入换行符方法
function strsub($str)
{
$str_count=mb_strlen($str,’utf-8′);
$mid=ceil($str_count/2);
    return mb_substr($str,0,$mid,’utf-8′).”<br/>”.mb_substr($str,$mid,$str_count,’utf-8′);
}