，呈現(xiàn)為：<\/p>\n
< ;h1>☆ 你好↑ 世界↑
<\/p>\n
節(jié)目：<\/p>\n
$html = <<\n\n\n \n Test!<\/title>\n<\/head>\n<body>
<h1><a href="http://www.miracleart.cn/">国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂</a></h1>\n <h1>☆ Hello ☆ World ☆<\/h1>\n<\/body>\n<\/html>\nHTML;\n\n$dom = new DOMDocument(\"1.0\", \"utf-8\");\n$dom->loadHTML($html);\n\nheader(\"Content-Type: text\/html; charset=utf-8\");\necho($dom->saveHTML());<\/code><\/pre>\n<h2>原因<\/h2>\n<p>根本原因是DOMDocument::loadHTML() 預(yù)期HTML 格式的字串。 HTML 本質(zhì)上使用 ISO-8859-1（ISO 拉丁字母 1）作為其預(yù)設(shè)字元編碼。因此，當為 HTML 4.0 設(shè)計的 HTML 解析器遇到超過此編碼的字元時，它可能會表現(xiàn)出不可預(yù)測的行為。 <\/p>\n<h2>解決方案<\/h2>\n<p><strong>將非ASCII 字元轉(zhuǎn)換為實體<\/strong><\/p>\n<p>要修正此問題，所有ASCII 範圍(127 \/ h7F) 以外的字元都應(yīng)轉(zhuǎn)換為HTML 實體。此過程可以使用mb_convert_encoding 和HTML-ENTITIES 目標編碼來實現(xiàn)：<\/p>\n<pre><code class=\"php\">$html = mb_convert_encoding($html, \"HTML-ENTITIES\", \"UTF-8\");<\/code><\/pre>\n<p><strong>新增內(nèi)容類型元標記<\/strong><\/p>\n<p>或者，可以透過以下方式解決該問題合併一個標記到文件本身，將字元集指定為UTF-8：<\/p>\n<pre><code class=\"html\"><meta http-equiv=\"content-type\" content=\"text\/html; charset=utf-8\"><\/code><\/pre>\n<p>此方法充當DOMDocument 的提示，強制其將輸入解釋為UTF-8 編碼。即使位於 <\/p> 之外，部分，HTML 2.0 規(guī)範規(guī)定此類元素將在標頭內(nèi)自動重新定位。 "} </script>
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<span>為什麼 DOMDocument 在載入 HTML 時無法正確處理 UTF-8 字元？</span>
</div>
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<h1 class="Articlelist_txts_title">為什麼 DOMDocument 在載入 HTML 時無法正確處理 UTF-8 字元？</h1>
<div id="377j5v51b" class="Articlelist_txts_info_head">
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<img class="lazy" data-src="https://img.php.cn/upload/avatar/000/000/001/66ea8147b1057383.png" src="/static/imghw/default1.png" alt="Mary-Kate Olsen">
</a>
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<a href="http://www.miracleart.cn/zh-tw/member/1468492.html" class="author_name">Mary-Kate Olsen</a>
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<span id="377j5v51b" class="Articlelist_txts_time">Nov 04, 2024 am 10:12 AM</span>
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<p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/000/173068635465642.jpg" class="lazy" alt="Why does DOMDocument fail to handle UTF-8 characters correctly when loading HTML?
"></p>
<p><strong>DOMDocument 無法處理UTF-8 字元</strong></p>
<p>在Web 伺服器使用UTF-8 編碼傳輸回應(yīng)的情況下，所有檔案同樣以UTF -8 儲存，並且所有相關(guān)設(shè)定都已配置為UTF-8 編碼，則會出現(xiàn)問題。旨在驗證輸出功能的測試程序表現(xiàn)出不規(guī)則行為。 </p>
<p>執(zhí)行程序後，輸出呈現(xiàn)如下：</p>
<pre class="brush:php;toolbar:false"><!DOCTYPE html>
<html><head><meta charset="utf-8"><title>Test!</title></head><body>
<h1>a?? Hello a?? World a??</h1>
</body></html></pre>
<p>，呈現(xiàn)為：</p>
<p>< ;h1>☆ 你好↑ 世界↑<br> </p>
<hr>
<p>節(jié)目：</p>
<pre class="brush:php;toolbar:false"><code class="php">$html = <<<HTML
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Test!</title>
</head>
<body>
<h1>☆ Hello ☆ World ☆</h1>
</body>
</html>
HTML;
$dom = new DOMDocument("1.0", "utf-8");
$dom->loadHTML($html);
header("Content-Type: text/html; charset=utf-8");
echo($dom->saveHTML());</code></pre>
<h2 id="原因">原因</h2>
<p>根本原因是DOMDocument::loadHTML() 預(yù)期HTML 格式的字串。 HTML 本質(zhì)上使用 ISO-8859-1（ISO 拉丁字母 1）作為其預(yù)設(shè)字元編碼。因此，當為 HTML 4.0 設(shè)計的 HTML 解析器遇到超過此編碼的字元時，它可能會表現(xiàn)出不可預(yù)測的行為。 </p>
<h2 id="解決方案">解決方案</h2>
<p><strong>將非ASCII 字元轉(zhuǎn)換為實體</strong></p>
<p>要修正此問題，所有ASCII 範圍(127 / h7F) 以外的字元都應(yīng)轉(zhuǎn)換為HTML 實體。此過程可以使用mb_convert_encoding 和HTML-ENTITIES 目標編碼來實現(xiàn)：</p>
<pre class="brush:php;toolbar:false"><code class="php">$html = mb_convert_encoding($html, "HTML-ENTITIES", "UTF-8");</code></pre>
<p><strong>新增內(nèi)容類型元標記</strong></p>
<p>或者，可以透過以下方式解決該問題合併一個標記到文件本身，將字元集指定為UTF-8：</p>
<pre class="brush:php;toolbar:false"><code class="html"><meta http-equiv="content-type" content="text/html; charset=utf-8"></code></pre>
<p>此方法充當DOMDocument 的提示，強制其將輸入解釋為UTF-8 編碼。即使位於 </p> 之外，部分，HTML 2.0 規(guī)範規(guī)定此類元素將在標頭內(nèi)自動重新定位。 <p>以上是為什麼 DOMDocument 在載入 HTML 時無法正確處理 UTF-8 字元？的詳細內(nèi)容。更多資訊請關(guān)注PHP中文網(wǎng)其他相關(guān)文章！</p>
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<div id="377j5v51b" class="phpmain_tab2_mids_top">
<a href="http://www.miracleart.cn/zh-tw/ai/ai-clothes-remover" title="AI Clothes Remover" class="phpmain_tab2_mids_top_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
class="lazy" data-src="https://img.php.cn/upload/ai_manual/001/246/273/173411552797167.jpg?x-oss-process=image/resize,m_fill,h_50,w_50" src="/static/imghw/default1.png" alt="AI Clothes Remover" />
</a>
<div id="377j5v51b" class="phpmain_tab2_mids_info">
<a href="http://www.miracleart.cn/zh-tw/ai/ai-clothes-remover" title="AI Clothes Remover" class="phpmain_tab2_mids_title">
<h3>AI Clothes Remover</h3>
</a>
<p>用於從照片中去除衣服的線上人工智慧工具。</p>
</div>
</div>
<div id="377j5v51b" class="phpmain_tab2_mids_top">
<a href="http://www.miracleart.cn/zh-tw/ai/clothoffio" title="Clothoff.io" class="phpmain_tab2_mids_top_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
class="lazy" data-src="https://img.php.cn/upload/ai_manual/001/246/273/173411529149311.jpg?x-oss-process=image/resize,m_fill,h_50,w_50" src="/static/imghw/default1.png" alt="Clothoff.io" />
</a>
<div id="377j5v51b" class="phpmain_tab2_mids_info">
<a href="http://www.miracleart.cn/zh-tw/ai/clothoffio" title="Clothoff.io" class="phpmain_tab2_mids_title">
<h3>Clothoff.io</h3>
</a>
<p>AI脫衣器</p>
</div>
</div>
<div id="377j5v51b" class="phpmain_tab2_mids_top">
<a href="http://www.miracleart.cn/zh-tw/ai/video-swap" title="Video Face Swap" class="phpmain_tab2_mids_top_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
class="lazy" data-src="https://img.php.cn/upload/ai_manual/001/246/273/173414504068133.jpg?x-oss-process=image/resize,m_fill,h_50,w_50" src="/static/imghw/default1.png" alt="Video Face Swap" />
</a>
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<a href="http://www.miracleart.cn/zh-tw/ai/video-swap" title="Video Face Swap" class="phpmain_tab2_mids_title">
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</a>
<p>使用我們完全免費的人工智慧換臉工具，輕鬆在任何影片中換臉！</p>
</div>
</div>
</div>
<div id="377j5v51b" class="phpgenera_Details_mainR3_more">
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</div>
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<span>3 週前</span>
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<span>4 週前</span>
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<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms_info">
<span>4 週前</span>
<span>By 下次還敢</span>
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<a href="http://www.miracleart.cn/zh-tw/faq/1796836699.html" title="Rimworld Odyssey溫度指南和Gravtech" class="phpgenera_Details_mainR4_bottom_title">Rimworld Odyssey溫度指南和Gravtech</a>
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms_info">
<span>3 週前</span>
<span>By Jack chen</span>
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<a href="http://www.miracleart.cn/zh-tw/article.html">顯示更多</a>
</div>
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onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/hottools2.png" alt="" />
<h2>熱工具</h2>
</div>
<div id="377j5v51b" class="phpgenera_Details_mainR3_bottom">
<div id="377j5v51b" class="phpmain_tab2_mids_top">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/92" title="記事本++7.3.1" class="phpmain_tab2_mids_top_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58ab96f0f39f7357.jpg?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="記事本++7.3.1" />
</a>
<div id="377j5v51b" class="phpmain_tab2_mids_info">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/92" title="記事本++7.3.1" class="phpmain_tab2_mids_title">
<h3>記事本++7.3.1</h3>
</a>
<p>好用且免費的程式碼編輯器</p>
</div>
</div>
<div id="377j5v51b" class="phpmain_tab2_mids_top">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/93" title="SublimeText3漢化版" class="phpmain_tab2_mids_top_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58ab97a3baad9677.jpg?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="SublimeText3漢化版" />
</a>
<div id="377j5v51b" class="phpmain_tab2_mids_info">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/93" title="SublimeText3漢化版" class="phpmain_tab2_mids_title">
<h3>SublimeText3漢化版</h3>
</a>
<p>中文版，非常好用</p>
</div>
</div>
<div id="377j5v51b" class="phpmain_tab2_mids_top">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/121" title="禪工作室 13.0.1" class="phpmain_tab2_mids_top_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58ab97ecd1ab2670.jpg?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="禪工作室 13.0.1" />
</a>
<div id="377j5v51b" class="phpmain_tab2_mids_info">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/121" title="禪工作室 13.0.1" class="phpmain_tab2_mids_title">
<h3>禪工作室 13.0.1</h3>
</a>
<p>強大的PHP整合開發(fā)環(huán)境</p>
</div>
</div>
<div id="377j5v51b" class="phpmain_tab2_mids_top">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/469" title="Dreamweaver CS6" class="phpmain_tab2_mids_top_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58d0e0fc74683535.jpg?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="Dreamweaver CS6" />
</a>
<div id="377j5v51b" class="phpmain_tab2_mids_info">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/469" title="Dreamweaver CS6" class="phpmain_tab2_mids_title">
<h3>Dreamweaver CS6</h3>
</a>
<p>視覺化網(wǎng)頁開發(fā)工具</p>
</div>
</div>
<div id="377j5v51b" class="phpmain_tab2_mids_top">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/500" title="SublimeText3 Mac版" class="phpmain_tab2_mids_top_img">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58d34035e2757995.png?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="SublimeText3 Mac版" />
</a>
<div id="377j5v51b" class="phpmain_tab2_mids_info">
<a href="http://www.miracleart.cn/zh-tw/toolset/development-tools/500" title="SublimeText3 Mac版" class="phpmain_tab2_mids_title">
<h3>SublimeText3 Mac版</h3>
</a>
<p>神級程式碼編輯軟體(SublimeText3)</p>
</div>
</div>
</div>
<div id="377j5v51b" class="phpgenera_Details_mainR3_more">
<a href="http://www.miracleart.cn/zh-tw/ai">顯示更多</a>
</div>
</div>
</div>
<div id="377j5v51b" class="phpgenera_Details_mainR4">
<div id="377j5v51b" class="phpmain1_4R_readrank">
<div id="377j5v51b" class="phpmain1_4R_readrank_top">
<img onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
onerror="this.onerror=''; this.src='/static/imghw/default1.png'"
src="/static/imghw/hotarticle2.png" alt="" />
<h2>熱門話題</h2>
</div>
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottom">
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms">
<a href="http://www.miracleart.cn/zh-tw/faq/laravel-tutori" title="Laravel 教程" class="phpgenera_Details_mainR4_bottom_title">Laravel 教程</a>
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms_info">
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms_infos">
<img src="/static/imghw/eyess.png" alt="" />
<span>1597</span>
</div>
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms_infos">
<img src="/static/imghw/tiezi.png" alt="" />
<span>29</span>
</div>
</div>
</div>
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms">
<a href="http://www.miracleart.cn/zh-tw/faq/php-tutorial" title="PHP教程" class="phpgenera_Details_mainR4_bottom_title">PHP教程</a>
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms_info">
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms_infos">
<img src="/static/imghw/eyess.png" alt="" />
<span>1488</span>
</div>
<div id="377j5v51b" class="phpgenera_Details_mainR4_bottoms_infos">
<img src="/static/imghw/tiezi.png" alt="" />
<span>72</span>
</div>
</div>
</div>
</div>
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<a href="http://www.miracleart.cn/zh-tw/faq/zt">顯示更多</a>
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<p class="Articlelist_txts_p">ToinstallPHPquickly,useXAMPPonWindowsorHomebrewonmacOS.1.OnWindows,downloadandinstallXAMPP,selectcomponents,startApache,andplacefilesinhtdocs.2.Alternatively,manuallyinstallPHPfromphp.netandsetupaserverlikeApache.3.OnmacOS,installHomebrew,thenrun'bre</p>
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