PHP echo输出的内容包含html ，但是html不解析的不完全解决办法

http://blog.sina.com.cn/s/blog_9f1cb46701014dg5.html

html_entity_decode($string, ENT_QUOTES, 'UTF-8')

测试了下，的确好使，但是我在这个内容的外围包上了标签，又不能解析了。</span></p> <p><span><span>php echo 出来的字串默认情况应该是解析的（在本地测试是解析的）</span></span></p> <p><span><span>不知道为什么会出现这种情况。</span></span></p> <p><span><span>在用smarty解析这个字串的时候也出现了html代码直接显示的情况，谷歌了下：</span></span></p> <p><span><span>http://www.smarty.net/forums/viewtopic.php?p=52799<br /> </span></span></p> <p><span><span>{$PageContent|html_entity_decode:$smarty.const.ENT_QUOTES:'utf-8'}</span><br /> </span></p> <p><span>使用了这个，就能解决，学习了。</span></p> </p> <p><br /><pre><code style="font-size:16px;">本文来自互联网用户投稿，文章观点仅代表作者本人，不代表本站立场，不承担相关法律责任。如若转载，请注明出处。 如若内容造成侵权/违法违规/事实不符，请点击<a href="https://shimo.im/forms/N2A1gvJRpPh7K9qD/fill" target="_blank" rel="nofollow">【内容举报】</a>进行投诉反馈！</code></pre></p> <!-- E 正文 --> <link href="https://qiniu.techgrow.cn/readmore/dist/readmore.css" type="text/css" rel="stylesheet"> <script src="https://qiniu.techgrow.cn/readmore/dist/readmore.js" type="text/javascript"></script> <script> var regex = /(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i var isMobile = navigator.userAgent.match(regex); if (!isMobile) { try { var plugin = new ReadmorePlugin(); plugin.init({ id: "readmore-container", blogId: "55721-7689706765131-406", name: "财经早读", keyword: "666", qrcode: "https://www.imspm.com/assets/img/caijingzaodu.jpg", type: "website", height: "auto", expires: "7", interval: "60", random: "1" }) } catch (e) { console.warn("readmore plugin occurred error: " + e.name + " | " + e.message); } } </script> </div> <!-- S 付费阅读 --> <!-- E 付费阅读 --> <!-- S 点赞 --> <div class="article-donate"> <a href="javascript:" class="btn btn-primary btn-like btn-lg social-share-icon icon-heart addbookbark" data-type="archives" data-aid="628887" data-action="/addons/cms/ajax/collection.html">收藏</a> </div> <!-- E 点赞 --> <div class="entry-meta"> <ul> <!-- S 归档 --> <li>标签：<a href="/dev.html" class="tag" rel="tag" target="_blank">技术</a></li> <!-- S 归档 --> </ul> <ul class="article-prevnext"> <!-- S 上一篇下一篇 --> <li> <span>上一篇 ></span> <a href="/dev/628885.html" target="_blank">springboot项目通过ResponseBodyAdvice增加响应头和修改响应内容</a> </li> <li> <span>下一篇 ></span> <a href="/dev/628888.html" target="_blank">PHP echo深入理解</a> </li> <!-- E 上一篇下一篇 --> </ul> </div> <div class="related-article"> <div class="row" style="margin: 0 -15px;"> <!-- S 相关文章 --> <div class="col-xs-12"> <h3 style="font-size: 1.1em;">相关文章</h5> </div> <div class="col-xs-12"> <p style="margin-top: 17px;margin-bottom: 8.5px;"><a href="/dev/747938.html" target="_blank">Duilib中list控件支持ctrl和shif多行选中的实现</a></p> </div> <div class="col-xs-12"> <p style="margin-top: 17px;margin-bottom: 8.5px;"><a href="/dev/747937.html" target="_blank">[ICML2015]Batch Normalization:Accelerating Deep Network Training by Reducing Internal Covariate Shif</a></p> </div> <div class="col-xs-12"> <p style="margin-top: 17px;margin-bottom: 8.5px;"><a href="/dev/747936.html" target="_blank">win10系统 微软输入法 于eclipse ctrl+shif+f冲突间接处理办法</a></p> </div> <div class="col-xs-12"> <p style="margin-top: 17px;margin-bottom: 8.5px;"><a href="/dev/747935.html" target="_blank">Codeforces Round #259 (Div. 2) B. 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