php 字符串提取中文无乱码

<?php
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 * User: Administrator
 * Date: 2019/11/1
 * Time: 19:15
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header('Content-type: text/html; charset=UTF-8');
$information= "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0\"><meta http-equiv=\"Content-Type\" content=\"text/html\"; charset=\"utf-8\"><style>img{display:block;width:100%;height:auto;}</style><body align=\"justify\"><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\"><strong style=\"font-size: unset; line-height: 30px; margin-bottom: 30px;\">金色财经 比特币10月24日讯</strong>&nbsp;Bakkt将于12月9日为比特币期货启动首个受监管的期权合约,旨在为数字资产行业带来更多信任和实用性,期权合约也是Bakkt为受监管市场开发众多产品中的一个典型例子。Bakkt比特币期权合约将会以Bakkt月度比特币期货合约基准为基础,也意味着Bakkt为机构投资者、客户和散户投资者开发这一资产类别又迈出重要一步。</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\"><img src=\"https://img.jinse.com/2515477_image3.png\" title=\"GU5htrLbDEWjSusWLAi3Tdk8xKwytFSD17lbdMQB.jpeg\" alt=\"GU5htrLbDEWjSusWLAi3Tdk8xKwytFSD17lbdMQB.jpeg\" style=\"border-width: 1px; border-style: solid; border-color: rgb(238, 238, 238); vertical-align: top; max-width: 770px; margin-right: auto; margin-left: auto; display: block;\">据Bakkt官方博客披露的信息显示,新合约将基于客户反馈,旨在对冲(或获得)比特币敞口、产生收入、并提供成本和资本效率。 ICE Futures U.S.已经遵守美国商品期货交易委员会要求进行了自我认证,并且会利用基准期货价格和机构级托管来满足市场对受监管期权合约的需求。</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">据金色财经了解,Bakkt比特币期权合约主要包括以下几个特点:</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">1、提升资本运作效率:保证金合约、以及与基础期货合约相关的交叉保证金;</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">2、支持现金或实物结算:随着时间的推移,期权将清算到Bakkt的每月比特币期货合约中,平仓或实物交割;</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">3、采用欧式期权:这种合约设计避免了早期使用并减轻了操作负担(金色财经注:欧式期权是指买入期权的一方必须在期权到期日当天才能行使的期权);</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">4、费用:2019年12月豁免费用,然后从2020年1月开始每份期权合约费用为1.25美元(金色财经注:1份期权合约= 1个比特币)</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">5、支持即时消息:用户可以使用ICE Chat与其他市场参与者进行协作,可以针对您的合规性要求进行量身定制产品;<br></p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">6、满足大宗交易市场需求:通过利用ICE Block获得更多大宗交易机会;</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">7、提供期权合约分析:使用ICE Option Analytics来支持期权评估、分析和风险管理。</p><p style=\"margin: 0px; font-size: 16px; line-height: 36px; overflow-wrap: break-word; word-break: normal; color: rgb(63, 63, 63); text-align: justify; font-family: &quot;PingFang SC&quot;, &quot;Lantinghei SC&quot;, &quot;Helvetica Neue&quot;, Helvetica, Arial, &quot;Microsoft YaHei&quot;, &quot;\\\\微软雅黑&quot;, STHeitiSC-Light, simsun, &quot;\\\\宋体&quot;, &quot;WenQuanYi Zen Hei&quot;, &quot;WenQuanYi Micro Hei&quot;, sans-serif; letter-spacing: normal;\">实际上,自一个月前推出比特币期货以来,Bakkt每日和每月比特币期货合约已经可以支持实物比特币的无缝交割。不仅如此,由于ICE Futures U.S.平台可以在全球范围内被访问,并有专门的做市商提供支持,Bakkt期货合约也获得了较为广泛的发行量和流动性。 值得注意的是,Bakkt比特币月度期货合约于10月23日创下合约交易量新高,共有590份合约易手。</p><p style=\"font-size: 16px; color:#c0c4cc!important; margin: 20px 0 10px 0;\">资讯责任声明:本文观点仅代表作者本人,不代表链系观点和立场。如有侵权或者其他问题,请联系举报。</p><style type=\"text/css\">img{max-width:100%}</style></body>";
preg_match_all('/[\x{4e00}-\x{9fff}]+/u', $information, $cn_name);
$name_str = implode('', $cn_name[0] );
$name_str = mb_substr($name_str,0,25, 'UTF-8');
echo  $name_str;

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