php汉字字符串中间插入换行符-002cc全讯开户送白菜

function strsub($str)
{
	$str_count	=	mb_strlen($str,'utf-8');
	$mid		=	ceil($str_count/2);
    return mb_substr($str,0,$mid,'utf-8')."
".mb_substr($str,$mid,$str_count,'utf-8');
}

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