freexxxx国产hd中文对白,xxxx内射中国老妇

參數<\/th>	描述<\/th><\/tr>
string<\/em><\/td>	必需。規(guī)定要轉換的字符串。<\/td><\/tr>
flags<\/em><\/td>	可選。規(guī)定如何處理引號、無效的編碼以及使用哪種文檔類型。可用的引號類型：<\/p> ENT_COMPAT - 默認。僅編碼雙引號。<\/li> ENT_QUOTES - 編碼雙引號和單引號。<\/li> ENT_NOQUOTES - 不編碼任何引號。<\/li><\/ul> 無效的編碼：<\/p> ENT_IGNORE - 忽略無效的編碼，而不是讓函數返回一個空的字符串。應盡量避免，因為這可能對安全性有影響。<\/li> ENT_SUBSTITUTE - 把無效的編碼替代成一個指定的帶有 Unicode 替代字符 U+FFFD（UTF-8）或者 &#FFFD; 的字符，而不是返回一個空的字符串。<\/li> ENT_DISALLOWED - 把指定文檔類型中的無效代碼點替代成 Unicode 替代字符 U+FFFD（UTF-8）或者 &#FFFD;。<\/span><\/li><\/ul> 規(guī)定使用的文檔類型的附加 flags：<\/p> ENT_HTML401 - 默認。作為 HTML 4.01 處理代碼。<\/li> ENT_HTML5 - 作為 HTML 5 處理代碼。<\/li> ENT_XML1 - 作為 XML 1 處理代碼。<\/li> ENT_XHTML - 作為 XHTML 處理代碼。<\/li><\/ul><\/td><\/tr>
character-set<\/em><\/td>	可選。一個規(guī)定了要使用的字符集的字符串。允許的值：<\/p> UTF-8 - 默認。ASCII 兼容多字節(jié)的 8 位 Unicode<\/li> ISO-8859-1 - 西歐<\/li> ISO-8859-15 - 西歐（加入歐元符號 + ISO-8859-1 中丟失的法語和芬蘭語字母）<\/li> cp866 - DOS 專用 Cyrillic 字符集<\/li> cp1251 - Windows 專用 Cyrillic 字符集<\/li> cp1252 - Windows 專用西歐字符集<\/li> KOI8-R - 俄語<\/li> BIG5 - 繁體中文，主要在臺灣使用<\/li> GB2312 - 簡體中文，國家標準字符集<\/li> BIG5-HKSCS - 帶香港擴展的 Big5<\/li> Shift_JIS - 日語<\/li> EUC-JP - 日語<\/li> MacRoman - Mac 操作系統(tǒng)使用的字符集<\/li><\/ul> 注釋：<\/strong>在 PHP 5.4 之前的版本，無法被識別的字符集將被忽略并由 ISO-8859-1 替代。自 PHP 5.4 起，無法被識別的字符集將被忽略并由 UTF-8 替代。<\/p><\/td><\/tr>
double_encode<\/em><\/td>	可選。一個規(guī)定了是否編碼已存在的 HTML 實體的布爾值。 TRUE - 默認。將對每個實體進行轉換。<\/li> FALSE - 不會對已存在的 HTML 實體進行編碼。<\/li><\/ul><\/td><\/tr><\/tbody><\/table> 返回值：：<\/p> 返回已轉換的字符串。如果 string 包含無效的編碼，則返回一個空的字符串，除非設置了 ENT_IGNORE 或者 ENT_SUBSTITUTE 標志。 <\/p><\/li><\/ul> 示例：把一些預定義的字符轉換為 HTML 實體<\/p> \";\necho htmlspecialchars($str, ENT_QUOTES); \/\/ 編碼雙引號和單引號\necho \" \";\necho htmlspecialchars($str, ENT_NOQUOTES); \/\/ 不編碼任何引號\n?><\/pre> 輸出結果：<\/p> Jane & 'Tarzan'\nJane & 'Tarzan'\nJane & 'Tarzan'<\/pre> 推薦學習：《PHP視頻教程<\/a>》<\/p>"} 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 Community Articles Topics Q&A Learn Course Programming Dictionary Tools Library Development tools Website Source Code PHP Libraries JS special effects Website Materials Extension plug-ins AI Tools Leisure Game Download Game Tutorials English 簡體中文 English 繁體中文日本語 ??? Melayu Fran?ais Deutsch Login singup Home Backend Development PHP Problem How to convert characters into entities in php How to convert characters into entities in php 青燈夜游 Mar 10, 2022 pm 04:31 PM php <blockquote><p>php method to convert characters into entities: 1. Use the htmlentities() function to convert characters into HTML entities; 2. Use the htmlspecialchars() function to convert some predefined characters ("&" , "<", ">", etc.) into HTML entities. <!--”、“--></p></blockquote> <p><img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/024/6229b74393967375.jpg" class="lazy" alt="How to convert characters into entities in php" ></p> <p>The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer</p> <p><span style="font-size: 18px;"><strong>php Convert characters into entities</strong></span></p> <p><strong>1. Use the htmlentities() function</strong></p> <p>htmlentities() function to convert characters into HTML entities. </p> <p>Syntax:<br></p><pre class='brush:php;toolbar:false;'>htmlentities(string,flags,character-set,double_encode)</pre><table class="reference notranslate"><tbody><tr class="firstRow"><th width="20%">Parameters</th><th width="80%">Description</th></tr><tr><td><em> string</em></td><td>Required. Specifies the string to be converted. </td></tr><tr><td><em>flags</em></td><td> Optional. Specifies how to handle quotes, invalid encodings, and which document type to use. <p>Available quote types: </p><ul><li>ENT_COMPAT - Default. Only double quotes are encoded. </li><li>ENT_QUOTES - Encodes double and single quotes. </li><li>ENT_NOQUOTES - Do not encode any quotes. </li></ul><p>Invalid encoding: </p><ul><li>ENT_IGNORE - Ignore invalid encodings instead of having the function return an empty string. This should be avoided as this may have an impact on security. </li><li>ENT_SUBSTITUTE - Substitutes an invalid encoding with the specified character with the Unicode substitution character U FFFD (UTF-8) or &#FFFD; instead of returning an empty string. </li><li>ENT_DISALLOWED - <span lang="no-bok">Replace invalid code points in the specified document type with the Unicode replacement character U FFFD (UTF-8) or &#FFFD;. </span></li></ul><p>Additional flags specifying the document type to use: </p><ul><li>ENT_HTML401 - Default. Code processed as HTML 4.01. </li><li>ENT_HTML5 - Process code as HTML 5. </li><li>ENT_XML1 - Code processed as XML 1. </li><li>ENT_XHTML - Processing code as XHTML. </li></ul></td></tr><tr><td><em>character-set</em></td><td> Optional. A string specifying the character set to be used. <p> Allowed values: </p><ul><li>UTF-8 - Default. ASCII compatible multi-byte 8-bit Unicode</li><li>ISO-8859-1 - Western Europe</li><li>ISO-8859-15 - Western Europe (adds French and Finnish euro symbols missing from ISO-8859-1 Chinese letters) </li><li>cp866 - DOS-specific Cyrillic character set </li><li>cp1251 - Windows-specific Cyrillic character set </li><li>cp1252 - Windows-specific Western European character set </li><li>KOI8- R - Russian</li><li>BIG5 - Traditional Chinese, mainly used in Taiwan</li><li>GB2312 - Simplified Chinese, National Standard Character Set</li><li>BIG5-HKSCS - Big5## with Hong Kong extension </li>#Shift_JIS - Japanese <li></li>EUC-JP - Japanese <li></li>MacRoman - Character set used by Mac operating systems <li></li></ul><p>Comments: <strong> In versions prior to PHP 5.4, unrecognized character sets were ignored and replaced by ISO-8859-1. As of PHP 5.4, unrecognized character sets are ignored and replaced by UTF-8. </strong></p></td></tr><tr><td>double_encode<em></em></td> Optional. A Boolean value that specifies whether to encode existing HTML entities. <td><ul>TRUE - Default. Each entity will be converted. <li></li>FALSE - Existing HTML entities will not be encoded. <li></li></ul></td></tr></tbody><p>示例：通過使用西歐字符集，把一些字符轉換為 HTML 實體：</p><pre class='brush:php;toolbar:false;'><?php $str = "My name is ?yvind ?sane. I&#39;m Norwegian."; echo htmlentities($str, ENT_QUOTES, "ISO-8859-1"); // Will only convert double quotes (not single quotes), and uses the character-set Western European ?></pre><p>上面代碼的 HTML 輸出如下（查看源代碼）：</p><pre class='brush:php;toolbar:false;'><!DOCTYPE html> <html> <body> My name is &Oslash;yvind &Aring;sane. I&#039;m Norwegian. </body> </html></pre><p>上面代碼的瀏覽器輸出如下：</p><pre class='brush:php;toolbar:false;'>My name is ?yvind ?sane. I&#39;m Norwegian.</pre><p><strong>2、使用htmlspecialchars()函數</strong></p><p>htmlspecialchars() 函數把一些預定義的字符轉換為 HTML 實體。</p><p>預定義的字符是：</p><ul style="list-style-type: disc;"><li><p><code>& </code>（和號）成為 <code>&</code></p></li><li><p><code>"</code> （雙引號）成為 <code>"</code></p></li><li><p><code>'</code> （單引號）成為 <code>'</code></p></li><li><p><code><</code> （小于）成為 <code><</code></p></li><li><p><code>></code> （大于）成為 <code>></code></p></li></ul><p>語法：</p><pre class='brush:php;toolbar:false;'>htmlspecialchars(string,flags,character-set,double_encode)</pre><table class="reference"><tbody><tr class="firstRow"><th width="20%">參數</th><th width="80%">描述</th></tr><tr><td><em>string</em></td><td>必需。規(guī)定要轉換的字符串。</td></tr><tr><td><em>flags</em></td><td>可選。規(guī)定如何處理引號、無效的編碼以及使用哪種文檔類型。<p>可用的引號類型：</p><ul><li>ENT_COMPAT - 默認。僅編碼雙引號。</li><li>ENT_QUOTES - 編碼雙引號和單引號。</li><li>ENT_NOQUOTES - 不編碼任何引號。</li></ul><p>無效的編碼：</p><ul><li>ENT_IGNORE - 忽略無效的編碼，而不是讓函數返回一個空的字符串。應盡量避免，因為這可能對安全性有影響。</li><li>ENT_SUBSTITUTE - 把無效的編碼替代成一個指定的帶有 Unicode 替代字符 U+FFFD（UTF-8）或者 &#FFFD; 的字符，而不是返回一個空的字符串。</li><li>ENT_DISALLOWED - <span lang="no-bok">把指定文檔類型中的無效代碼點替代成 Unicode 替代字符 U+FFFD（UTF-8）或者 &#FFFD;。</span></li></ul><p>規(guī)定使用的文檔類型的附加 flags：</p><ul><li>ENT_HTML401 - 默認。作為 HTML 4.01 處理代碼。</li><li>ENT_HTML5 - 作為 HTML 5 處理代碼。</li><li>ENT_XML1 - 作為 XML 1 處理代碼。</li><li>ENT_XHTML - 作為 XHTML 處理代碼。</li></ul></td></tr><tr><td><em>character-set</em></td><td>可選。一個規(guī)定了要使用的字符集的字符串。<p>允許的值：</p><ul><li>UTF-8 - 默認。ASCII 兼容多字節(jié)的 8 位 Unicode</li><li>ISO-8859-1 - 西歐</li><li>ISO-8859-15 - 西歐（加入歐元符號 + ISO-8859-1 中丟失的法語和芬蘭語字母）</li><li>cp866 - DOS 專用 Cyrillic 字符集</li><li>cp1251 - Windows 專用 Cyrillic 字符集</li><li>cp1252 - Windows 專用西歐字符集</li><li>KOI8-R - 俄語</li><li>BIG5 - 繁體中文，主要在臺灣使用</li><li>GB2312 - 簡體中文，國家標準字符集</li><li>BIG5-HKSCS - 帶香港擴展的 Big5</li><li>Shift_JIS - 日語</li><li>EUC-JP - 日語</li><li>MacRoman - Mac 操作系統(tǒng)使用的字符集</li></ul><p><strong>注釋：</strong>在 PHP 5.4 之前的版本，無法被識別的字符集將被忽略并由 ISO-8859-1 替代。自 PHP 5.4 起，無法被識別的字符集將被忽略并由 UTF-8 替代。</p></td></tr><tr><td><em>double_encode</em></td><td>可選。一個規(guī)定了是否編碼已存在的 HTML 實體的布爾值。<ul><li>TRUE - 默認。將對每個實體進行轉換。</li><li>FALSE - 不會對已存在的 HTML 實體進行編碼。</li></ul></td></tr></tbody></table><p>返回值：：</p><ul style="list-style-type: disc;"><li><p>返回已轉換的字符串。如果 string 包含無效的編碼，則返回一個空的字符串，除非設置了 ENT_IGNORE 或者 ENT_SUBSTITUTE 標志。 </p></li></ul><p>示例：把一些預定義的字符轉換為 HTML 實體</p><pre class='brush:php;toolbar:false;'><?php $str = "Jane & &#39;Tarzan&#39;"; echo htmlspecialchars($str, ENT_COMPAT); // 默認，僅編碼雙引號 echo "<br>"; echo htmlspecialchars($str, ENT_QUOTES); // 編碼雙引號和單引號 echo "<br>"; echo htmlspecialchars($str, ENT_NOQUOTES); // 不編碼任何引號 ?></pre><p>輸出結果：</p><pre class='brush:php;toolbar:false;'>Jane & &#39;Tarzan&#39; Jane & &#39;Tarzan&#39; Jane & &#39;Tarzan&#39;</pre><p>推薦學習：《<a href="http://m.miracleart.cn/course/list/29/type/2.html" target="_blank">PHP視頻教程</a>》</p> The above is the detailed content of How to convert characters into entities in php. For more information, please follow other related articles on the PHP Chinese website! Statement of this Website The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn Hot AI Tools Undress AI Tool Undress images for free Undresser.AI Undress AI-powered app for creating realistic nude photos AI Clothes Remover Online AI tool for removing clothes from photos. Clothoff.io AI clothes remover Video Face Swap Swap faces in any video effortlessly with our completely free AI face swap tool! Show More Hot Article Grass Wonder Build Guide \| Uma Musume Pretty Derby 1 months ago By Jack chen Roblox: 99 Nights In The Forest - All Badges And How To Unlock Them 4 weeks ago By DDD Uma Musume Pretty Derby Banner Schedule (July 2025) 1 months ago By Jack chen RimWorld Odyssey Temperature Guide for Ships and Gravtech 3 weeks ago By Jack chen Windows Security is blank or not showing options 1 months ago By 下次還敢 Show More Hot Tools Notepad++7.3.1 Easy-to-use and free code editor SublimeText3 Chinese version Chinese version, very easy to use Zend Studio 13.0.1 Powerful PHP integrated development environment Dreamweaver CS6 Visual web development tools SublimeText3 Mac version God-level code editing software (SublimeText3) Show More Hot Topics Laravel Tutorial 1601 29 PHP Tutorial 1502 276 Show More Related knowledge PHP calls AI intelligent voice assistant PHP voice interaction system construction Jul 25, 2025 pm 08:45 PM User voice input is captured and sent to the PHP backend through the MediaRecorder API of the front-end JavaScript; 2. PHP saves the audio as a temporary file and calls STTAPI (such as Google or Baidu voice recognition) to convert it into text; 3. PHP sends the text to an AI service (such as OpenAIGPT) to obtain intelligent reply; 4. PHP then calls TTSAPI (such as Baidu or Google voice synthesis) to convert the reply to a voice file; 5. PHP streams the voice file back to the front-end to play, completing interaction. The entire process is dominated by PHP to ensure seamless connection between all links. How to use PHP to build social sharing functions PHP sharing interface integration practice Jul 25, 2025 pm 08:51 PM The core method of building social sharing functions in PHP is to dynamically generate sharing links that meet the requirements of each platform. 1. First get the current page or specified URL and article information; 2. Use urlencode to encode the parameters; 3. Splice and generate sharing links according to the protocols of each platform; 4. Display links on the front end for users to click and share; 5. Dynamically generate OG tags on the page to optimize sharing content display; 6. Be sure to escape user input to prevent XSS attacks. This method does not require complex authentication, has low maintenance costs, and is suitable for most content sharing needs. How to use PHP combined with AI to achieve text error correction PHP syntax detection and optimization Jul 25, 2025 pm 08:57 PM To realize text error correction and syntax optimization with AI, you need to follow the following steps: 1. Select a suitable AI model or API, such as Baidu, Tencent API or open source NLP library; 2. Call the API through PHP's curl or Guzzle and process the return results; 3. Display error correction information in the application and allow users to choose whether to adopt it; 4. Use php-l and PHP_CodeSniffer for syntax detection and code optimization; 5. Continuously collect feedback and update the model or rules to improve the effect. When choosing AIAPI, focus on evaluating accuracy, response speed, price and support for PHP. Code optimization should follow PSR specifications, use cache reasonably, avoid circular queries, review code regularly, and use X PHP creates a blog comment system to monetize PHP comment review and anti-brush strategy Jul 25, 2025 pm 08:27 PM 1. Maximizing the commercial value of the comment system requires combining native advertising precise delivery, user paid value-added services (such as uploading pictures, top-up comments), influence incentive mechanism based on comment quality, and compliance anonymous data insight monetization; 2. The audit strategy should adopt a combination of pre-audit dynamic keyword filtering and user reporting mechanisms, supplemented by comment quality rating to achieve content hierarchical exposure; 3. Anti-brushing requires the construction of multi-layer defense: reCAPTCHAv3 sensorless verification, Honeypot honeypot field recognition robot, IP and timestamp frequency limit prevents watering, and content pattern recognition marks suspicious comments, and continuously iterate to deal with attacks. How to use PHP to combine AI to generate image. PHP automatically generates art works Jul 25, 2025 pm 07:21 PM PHP does not directly perform AI image processing, but integrates through APIs, because it is good at web development rather than computing-intensive tasks. API integration can achieve professional division of labor, reduce costs, and improve efficiency; 2. Integrating key technologies include using Guzzle or cURL to send HTTP requests, JSON data encoding and decoding, API key security authentication, asynchronous queue processing time-consuming tasks, robust error handling and retry mechanism, image storage and display; 3. Common challenges include API cost out of control, uncontrollable generation results, poor user experience, security risks and difficult data management. The response strategies are setting user quotas and caches, providing propt guidance and multi-picture selection, asynchronous notifications and progress prompts, key environment variable storage and content audit, and cloud storage. PHP realizes commodity inventory management and monetization PHP inventory synchronization and alarm mechanism Jul 25, 2025 pm 08:30 PM PHP ensures inventory deduction atomicity through database transactions and FORUPDATE row locks to prevent high concurrent overselling; 2. Multi-platform inventory consistency depends on centralized management and event-driven synchronization, combining API/Webhook notifications and message queues to ensure reliable data transmission; 3. The alarm mechanism should set low inventory, zero/negative inventory, unsalable sales, replenishment cycles and abnormal fluctuations strategies in different scenarios, and select DingTalk, SMS or Email Responsible Persons according to the urgency, and the alarm information must be complete and clear to achieve business adaptation and rapid response. Beyond the LAMP Stack: PHP's Role in Modern Enterprise Architecture Jul 27, 2025 am 04:31 AM PHPisstillrelevantinmodernenterpriseenvironments.1.ModernPHP(7.xand8.x)offersperformancegains,stricttyping,JITcompilation,andmodernsyntax,makingitsuitableforlarge-scaleapplications.2.PHPintegrateseffectivelyinhybridarchitectures,servingasanAPIgateway PHP integrated AI speech recognition and translator PHP meeting record automatic generation solution Jul 25, 2025 pm 07:06 PM Select the appropriate AI voice recognition service and integrate PHPSDK; 2. Use PHP to call ffmpeg to convert recordings into API-required formats (such as wav); 3. Upload files to cloud storage and call API asynchronous recognition; 4. Analyze JSON results and organize text using NLP technology; 5. Generate Word or Markdown documents to complete the automation of meeting records. The entire process needs to ensure data encryption, access control and compliance to ensure privacy and security. See all articles Public welfare online PHP training，Help PHP learners grow quickly！ About us Disclaimer Sitemap ? php.cn All rights reserved 感谢您访问我们的网站，您可能还对以下资源感兴趣：国产av日韩一区二区三区精品

Home

Backend Development

PHP Problem

How to convert characters into entities in php

青燈夜游

Mar 10, 2022 pm 04:31 PM

php

<blockquote>php method to convert characters into entities: 1. Use the htmlentities() function to convert characters into HTML entities; 2. Use the htmlspecialchars() function to convert some predefined characters ("&" , "<", ">", etc.) into HTML entities. </blockquote> <img src="/static/imghw/default1.png" data-src="https://img.php.cn/upload/article/000/000/024/6229b74393967375.jpg" class="lazy" alt="How to convert characters into entities in php" > The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer php Convert characters into entities 1. Use the htmlentities() function htmlentities() function to convert characters into HTML entities. Syntax: <pre class='brush:php;toolbar:false;'>htmlentities(string,flags,character-set,double_encode)</pre><table class="reference notranslate"><tbody><tr class="firstRow"><th width="20%">Parameters</th><th width="80%">Description</th></tr><tr><td> string</td><td>Required. Specifies the string to be converted. </td></tr><tr><td>flags</td><td> Optional. Specifies how to handle quotes, invalid encodings, and which document type to use. Available quote types: <ul><li>ENT_COMPAT - Default. Only double quotes are encoded. </li><li>ENT_QUOTES - Encodes double and single quotes. </li><li>ENT_NOQUOTES - Do not encode any quotes. </li></ul>Invalid encoding: <ul><li>ENT_IGNORE - Ignore invalid encodings instead of having the function return an empty string. This should be avoided as this may have an impact on security. </li><li>ENT_SUBSTITUTE - Substitutes an invalid encoding with the specified character with the Unicode substitution character U FFFD (UTF-8) or &#FFFD; instead of returning an empty string. </li><li>ENT_DISALLOWED - Replace invalid code points in the specified document type with the Unicode replacement character U FFFD (UTF-8) or &#FFFD;. </li></ul>Additional flags specifying the document type to use: <ul><li>ENT_HTML401 - Default. Code processed as HTML 4.01. </li><li>ENT_HTML5 - Process code as HTML 5. </li><li>ENT_XML1 - Code processed as XML 1. </li><li>ENT_XHTML - Processing code as XHTML. </li></ul></td></tr><tr><td>character-set</td><td> Optional. A string specifying the character set to be used. Allowed values: <ul><li>UTF-8 - Default. ASCII compatible multi-byte 8-bit Unicode</li><li>ISO-8859-1 - Western Europe</li><li>ISO-8859-15 - Western Europe (adds French and Finnish euro symbols missing from ISO-8859-1 Chinese letters) </li><li>cp866 - DOS-specific Cyrillic character set </li><li>cp1251 - Windows-specific Cyrillic character set </li><li>cp1252 - Windows-specific Western European character set </li><li>KOI8- R - Russian</li><li>BIG5 - Traditional Chinese, mainly used in Taiwan</li><li>GB2312 - Simplified Chinese, National Standard Character Set</li><li>BIG5-HKSCS - Big5## with Hong Kong extension </li>#Shift_JIS - Japanese <li></li>EUC-JP - Japanese <li></li>MacRoman - Character set used by Mac operating systems <li></li></ul>Comments: In versions prior to PHP 5.4, unrecognized character sets were ignored and replaced by ISO-8859-1. As of PHP 5.4, unrecognized character sets are ignored and replaced by UTF-8. </td></tr><tr><td>double_encode</td> Optional. A Boolean value that specifies whether to encode existing HTML entities. <td><ul>TRUE - Default. Each entity will be converted. <li></li>FALSE - Existing HTML entities will not be encoded. <li></li></ul></td></tr></tbody>示例：通過使用西歐字符集，把一些字符轉換為 HTML 實體：<pre class='brush:php;toolbar:false;'><?php $str = "My name is ?yvind ?sane. I&#39;m Norwegian."; echo htmlentities($str, ENT_QUOTES, "ISO-8859-1"); // Will only convert double quotes (not single quotes), and uses the character-set Western European ?></pre>上面代碼的 HTML 輸出如下（查看源代碼）：<pre class='brush:php;toolbar:false;'><!DOCTYPE html> <html> <body> My name is &Oslash;yvind &Aring;sane. I&#039;m Norwegian. </body> </html></pre>上面代碼的瀏覽器輸出如下：<pre class='brush:php;toolbar:false;'>My name is ?yvind ?sane. I&#39;m Norwegian.</pre>2、使用htmlspecialchars()函數htmlspecialchars() 函數把一些預定義的字符轉換為 HTML 實體。預定義的字符是：<ul style="list-style-type: disc;"><li><code>& </code>（和號）成為 <code>&</code></li><li><code>"</code> （雙引號）成為 <code>"</code></li><li><code>'</code> （單引號）成為 <code>'</code></li><li><code><</code> （小于）成為 <code><</code></li><li><code>></code> （大于）成為 <code>></code></li></ul>語法：<pre class='brush:php;toolbar:false;'>htmlspecialchars(string,flags,character-set,double_encode)</pre><table class="reference"><tbody><tr class="firstRow"><th width="20%">參數</th><th width="80%">描述</th></tr><tr><td>string</td><td>必需。規(guī)定要轉換的字符串。</td></tr><tr><td>flags</td><td>可選。規(guī)定如何處理引號、無效的編碼以及使用哪種文檔類型。可用的引號類型：<ul><li>ENT_COMPAT - 默認。僅編碼雙引號。</li><li>ENT_QUOTES - 編碼雙引號和單引號。</li><li>ENT_NOQUOTES - 不編碼任何引號。</li></ul>無效的編碼：<ul><li>ENT_IGNORE - 忽略無效的編碼，而不是讓函數返回一個空的字符串。應盡量避免，因為這可能對安全性有影響。</li><li>ENT_SUBSTITUTE - 把無效的編碼替代成一個指定的帶有 Unicode 替代字符 U+FFFD（UTF-8）或者 &#FFFD; 的字符，而不是返回一個空的字符串。</li><li>ENT_DISALLOWED - 把指定文檔類型中的無效代碼點替代成 Unicode 替代字符 U+FFFD（UTF-8）或者 &#FFFD;。</li></ul>規(guī)定使用的文檔類型的附加 flags：<ul><li>ENT_HTML401 - 默認。作為 HTML 4.01 處理代碼。</li><li>ENT_HTML5 - 作為 HTML 5 處理代碼。</li><li>ENT_XML1 - 作為 XML 1 處理代碼。</li><li>ENT_XHTML - 作為 XHTML 處理代碼。</li></ul></td></tr><tr><td>character-set</td><td>可選。一個規(guī)定了要使用的字符集的字符串。允許的值：<ul><li>UTF-8 - 默認。ASCII 兼容多字節(jié)的 8 位 Unicode</li><li>ISO-8859-1 - 西歐</li><li>ISO-8859-15 - 西歐（加入歐元符號 + ISO-8859-1 中丟失的法語和芬蘭語字母）</li><li>cp866 - DOS 專用 Cyrillic 字符集</li><li>cp1251 - Windows 專用 Cyrillic 字符集</li><li>cp1252 - Windows 專用西歐字符集</li><li>KOI8-R - 俄語</li><li>BIG5 - 繁體中文，主要在臺灣使用</li><li>GB2312 - 簡體中文，國家標準字符集</li><li>BIG5-HKSCS - 帶香港擴展的 Big5</li><li>Shift_JIS - 日語</li><li>EUC-JP - 日語</li><li>MacRoman - Mac 操作系統(tǒng)使用的字符集</li></ul>注釋：在 PHP 5.4 之前的版本，無法被識別的字符集將被忽略并由 ISO-8859-1 替代。自 PHP 5.4 起，無法被識別的字符集將被忽略并由 UTF-8 替代。</td></tr><tr><td>double_encode</td><td>可選。一個規(guī)定了是否編碼已存在的 HTML 實體的布爾值。<ul><li>TRUE - 默認。將對每個實體進行轉換。</li><li>FALSE - 不會對已存在的 HTML 實體進行編碼。</li></ul></td></tr></tbody></table>返回值：：<ul style="list-style-type: disc;"><li>返回已轉換的字符串。如果 string 包含無效的編碼，則返回一個空的字符串，除非設置了 ENT_IGNORE 或者 ENT_SUBSTITUTE 標志。 </li></ul>示例：把一些預定義的字符轉換為 HTML 實體<pre class='brush:php;toolbar:false;'><?php $str = "Jane & &#39;Tarzan&#39;"; echo htmlspecialchars($str, ENT_COMPAT); // 默認，僅編碼雙引號 echo " "; echo htmlspecialchars($str, ENT_QUOTES); // 編碼雙引號和單引號 echo " "; echo htmlspecialchars($str, ENT_NOQUOTES); // 不編碼任何引號 ?></pre>輸出結果：<pre class='brush:php;toolbar:false;'>Jane & &#39;Tarzan&#39; Jane & &#39;Tarzan&#39; Jane & &#39;Tarzan&#39;</pre>推薦學習：《<a href="http://m.miracleart.cn/course/list/29/type/2.html" target="_blank">PHP視頻教程</a>》

The above is the detailed content of How to convert characters into entities in php. For more information, please follow other related articles on the PHP Chinese website!

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undress AI Tool

Undress images for free

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

Online AI tool for removing clothes from photos.

Clothoff.io

AI clothes remover

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Grass Wonder Build Guide | Uma Musume Pretty Derby

1 months ago By Jack chen

Roblox: 99 Nights In The Forest - All Badges And How To Unlock Them

4 weeks ago By DDD

Uma Musume Pretty Derby Banner Schedule (July 2025)

1 months ago By Jack chen

RimWorld Odyssey Temperature Guide for Ships and Gravtech

3 weeks ago By Jack chen

Windows Security is blank or not showing options

1 months ago By 下次還敢

Hot Tools

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Hot Topics

Laravel Tutorial

1601

PHP Tutorial

1502

276

Related knowledge

PHP calls AI intelligent voice assistant PHP voice interaction system construction Jul 25, 2025 pm 08:45 PM

User voice input is captured and sent to the PHP backend through the MediaRecorder API of the front-end JavaScript; 2. PHP saves the audio as a temporary file and calls STTAPI (such as Google or Baidu voice recognition) to convert it into text; 3. PHP sends the text to an AI service (such as OpenAIGPT) to obtain intelligent reply; 4. PHP then calls TTSAPI (such as Baidu or Google voice synthesis) to convert the reply to a voice file; 5. PHP streams the voice file back to the front-end to play, completing interaction. The entire process is dominated by PHP to ensure seamless connection between all links.

How to use PHP to build social sharing functions PHP sharing interface integration practice Jul 25, 2025 pm 08:51 PM

The core method of building social sharing functions in PHP is to dynamically generate sharing links that meet the requirements of each platform. 1. First get the current page or specified URL and article information; 2. Use urlencode to encode the parameters; 3. Splice and generate sharing links according to the protocols of each platform; 4. Display links on the front end for users to click and share; 5. Dynamically generate OG tags on the page to optimize sharing content display; 6. Be sure to escape user input to prevent XSS attacks. This method does not require complex authentication, has low maintenance costs, and is suitable for most content sharing needs.

How to use PHP combined with AI to achieve text error correction PHP syntax detection and optimization Jul 25, 2025 pm 08:57 PM

To realize text error correction and syntax optimization with AI, you need to follow the following steps: 1. Select a suitable AI model or API, such as Baidu, Tencent API or open source NLP library; 2. Call the API through PHP's curl or Guzzle and process the return results; 3. Display error correction information in the application and allow users to choose whether to adopt it; 4. Use php-l and PHP_CodeSniffer for syntax detection and code optimization; 5. Continuously collect feedback and update the model or rules to improve the effect. When choosing AIAPI, focus on evaluating accuracy, response speed, price and support for PHP. Code optimization should follow PSR specifications, use cache reasonably, avoid circular queries, review code regularly, and use X

PHP creates a blog comment system to monetize PHP comment review and anti-brush strategy Jul 25, 2025 pm 08:27 PM

1. Maximizing the commercial value of the comment system requires combining native advertising precise delivery, user paid value-added services (such as uploading pictures, top-up comments), influence incentive mechanism based on comment quality, and compliance anonymous data insight monetization; 2. The audit strategy should adopt a combination of pre-audit dynamic keyword filtering and user reporting mechanisms, supplemented by comment quality rating to achieve content hierarchical exposure; 3. Anti-brushing requires the construction of multi-layer defense: reCAPTCHAv3 sensorless verification, Honeypot honeypot field recognition robot, IP and timestamp frequency limit prevents watering, and content pattern recognition marks suspicious comments, and continuously iterate to deal with attacks.

How to use PHP to combine AI to generate image. PHP automatically generates art works Jul 25, 2025 pm 07:21 PM

PHP does not directly perform AI image processing, but integrates through APIs, because it is good at web development rather than computing-intensive tasks. API integration can achieve professional division of labor, reduce costs, and improve efficiency; 2. Integrating key technologies include using Guzzle or cURL to send HTTP requests, JSON data encoding and decoding, API key security authentication, asynchronous queue processing time-consuming tasks, robust error handling and retry mechanism, image storage and display; 3. Common challenges include API cost out of control, uncontrollable generation results, poor user experience, security risks and difficult data management. The response strategies are setting user quotas and caches, providing propt guidance and multi-picture selection, asynchronous notifications and progress prompts, key environment variable storage and content audit, and cloud storage.

PHP realizes commodity inventory management and monetization PHP inventory synchronization and alarm mechanism Jul 25, 2025 pm 08:30 PM

PHP ensures inventory deduction atomicity through database transactions and FORUPDATE row locks to prevent high concurrent overselling; 2. Multi-platform inventory consistency depends on centralized management and event-driven synchronization, combining API/Webhook notifications and message queues to ensure reliable data transmission; 3. The alarm mechanism should set low inventory, zero/negative inventory, unsalable sales, replenishment cycles and abnormal fluctuations strategies in different scenarios, and select DingTalk, SMS or Email Responsible Persons according to the urgency, and the alarm information must be complete and clear to achieve business adaptation and rapid response.

Beyond the LAMP Stack: PHP's Role in Modern Enterprise Architecture Jul 27, 2025 am 04:31 AM

PHPisstillrelevantinmodernenterpriseenvironments.1.ModernPHP(7.xand8.x)offersperformancegains,stricttyping,JITcompilation,andmodernsyntax,makingitsuitableforlarge-scaleapplications.2.PHPintegrateseffectivelyinhybridarchitectures,servingasanAPIgateway

PHP integrated AI speech recognition and translator PHP meeting record automatic generation solution Jul 25, 2025 pm 07:06 PM

Select the appropriate AI voice recognition service and integrate PHPSDK; 2. Use PHP to call ffmpeg to convert recordings into API-required formats (such as wav); 3. Upload files to cloud storage and call API asynchronous recognition; 4. Analyze JSON results and organize text using NLP technology; 5. Generate Word or Markdown documents to complete the automation of meeting records. The entire process needs to ensure data encryption, access control and compliance to ensure privacy and security.

See all articles

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