⛹️ ☔️ 👘 How to sort an XML file using the DOM - sorting 🧗 📮 👩🏿‍🤝‍👨🏻

Jquery MVC</t..."> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"> <link rel="stylesheet" href="../../css/main.css"> <link href="https://fonts.googleapis.com/css?family=Quicksand&display=swap" rel="stylesheet"> <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> <script>window.jQuery || document.write('<script src="../../js/vendors/jquery-3.3.1.min.js"><\/script>')</script> <script>document.write('<script src="//pagea' + 'd2.googles' + 'yndication.com/pagea' + 'd/js/a' + 'dsby' + 'google.js"><\/script>')</script> <script> var superSpecialObject = {}; superSpecialObject['google_a' + 'd_client'] = 'ca-p' + 'ub-4469282388984999'; superSpecialObject['enable_page_level_a' + 'ds'] = true; (window['a' + 'dsbygoogle'] = window['a' + 'dsbygoogle'] || []).push(superSpecialObject); </script> </head> <body>  <header class="page-header js-page-header"> <a class="page-header-logo-container" href="https://geek-ask.imtqy.com/index.html"></a> <div class="page-header-text">Geek asks and answers</div> </header> <section class="page js-page"> <div itemscope="" itemtype="http://schema.org/QAPage" class="page"> <div class="main-col" itemprop="mainEntity" itemscope="" itemtype="http://schema.org/Question"> <div class="question-header"> <h1 itemprop="name">How to sort an XML file using the DOM</h1> </div> <div class="question"> <div class="question-row"> <div class="question-text"> <div class="description" itemprop="text"> I have an xml file structured as <blockquote> <pre class="prettyprint-override"><code class="hljs xml"><?xml version="1.0"?> <library> <book id="1003"> <title>Jquery MVC</title> <author>Me</author> <price>500</price> </book> <book id="1001"> <title>Php</title> <author>Me</author> <price>600</price> </book> <book id="1002"> <title>Where to use IFrame</title> <author>Me</author> <price>300</price> </book> </library> </code></pre> </blockquote> To sort this xml according to book id, after looking <a href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=">overflow https://stackoverflow.com/a/318677/</a> i encoded this way <pre class="prettyprint-override"><code class="hljs php">$dom = new DOMDocument(); $dom->load('DOM.xml'); $library = $dom->documentElement; $xpath = new DOMXPath($dom); $result = $xpath->query('/library/book'); function sort_trees($t1,$t2){ return strcmp($t1['id'], $t2['id']); } usort($result, 'sort_trees'); print_r($result);*/ </code></pre> But it gives me an error <blockquote> Warning: usort () expects parameter 1 to be an array, the object is listed in /var/www/html/testphp/phpxml/readxml.php on line 24 </blockquote> </div> <div class="favorite hidden"></div> <div class="votes-question"> <div class="vote-count greenc" itemprop="upvoteCount"> +3 </div> </div> <div class="tags"> <a href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" class="tag" title="show questions tagged 'sorting'" rel="tag">sorting</a> <a href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" class="tag" title="show questions tagged with 'xml'" rel="tag">xml</a> <a href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" class="tag" title="show questions tagged with 'php'" rel="tag">php</a> </div> <div class="clearfix"></div> <div class="action-time"> <a href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" rel="noopener" target="_blank">user1066679</a> <time title="2012-05-10 05:59" itemprop="dateCreated" datetime="2012-05-10T05:59:02+0000"> May 10 '12 at 5:59</time> </div> <a class="aa-link" href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" target="_blank" rel="noopener">source</a> <a class="s-link" href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" title="share">share</a> <div class="clearfix"></div> </div> </div> </div> <ins style="height: 90px;display: block;" data-zxname="zx-adnet" data-zxadslot="ZX-QRST" data-zxw="0" data-zxh="90" data-zxid="2" data-overlay="false"> </ins> <div class="answers " id="answers_hash"> <div class="answers-header"> 2 answers <div class="clearfix"></div> </div> <div class="answer-pager hidden"> </div> <div class="answer accepted" id="5412535_hash" itemscope="" itemtype="http://schema.org/Answer" itemprop="acceptedAnswer"> <div class="answer-row"> <div class="answer-text"> <div class="desc" itemprop="text"> The answer you quote for SimpleXML but you are using DOMDocument. If you want to continue using DOMDocument, you need to consider its API. <pre class="lang-php prettyprint-override"><code class="hljs php">$dom = new DOMDocument(); $dom->load('DOM.xml'); $xp = new DOMXPath($dom); $booklist = $xp->query('/library/book'); // Books is a DOMNodeList, not an array. // This is the reason for your usort() warning. // Copies DOMNode elements in the DOMNodeList to an array. $books = iterator_to_array($booklist); // Second, your sorting function is using the wrong API // $node['id'] is SimpleXML syntax for attribute access. // DOMElement uses $node->getAttribute('id'); function sort_by_numeric_id_attr($a, $b) { return (int) $a->getAttribute('id') - (int) $b->getAttribute('id'); } // Now usort() usort($books, 'sort_by_numeric_id_attr'); // verify: foreach ($books as $book) { echo $book->C14N(), "\n"; } </code></pre> , , , . <pre class="lang-php prettyprint-override"><code class="hljs php">$newdoc = new DOMDocument('1.0', 'UTF-8'); $libraries = $newdoc->appendChild($newdoc->importNode($dom->documentElement)); foreach ($books as $book) { $libraries->appendChild($newdoc->importNode($book, true)); } echo $newdoc->saveXML(); </code></pre> XSLT: <pre class="lang-xml prettyprint-override"><code class="hljs"><?xml version="1.0" encoding="UTF-8" ?>  <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output encoding="UTF-8" method="xml" /> <xsl:template match="node()|@*"> <xsl:copy><xsl:apply-templates select="node()|@*"/></xsl:copy> </xsl:template> <xsl:template match="/*"> <xsl:copy> <xsl:apply-templates select="@*"/> <xsl:apply-templates select="*"> <xsl:sort select="@id" data-type="number"/> </xsl:apply-templates> </xsl:copy> </xsl:template> </xsl:stylesheet> </code></pre> XSLTProcessor ( <code>xsltproc</code> ): <pre class="lang-php prettyprint-override"><code class="hljs php">$xsltdoc = new DOMDocument(); $xsltdoc->load('sort_by_numeric_id.xsl'); $xslt = new XSLTProcessor(); $xslt->importStyleSheet($xsltdoc); // You can now use $xslt->transformTo*() methods over and over on whatever documents you want $libraryfiles = array('library1.xml', 'library2.xml'); foreach ($libraryfiles as $lf) { $doc = new DOMDocument(); $doc->load($lf); // write the new document $xslt->transformToUri($doc, 'file://'.preg_replace('/(\.[^.]+)?$/', '-sorted$0', $lf, 1); unset($doc); // just to save memory } </code></pre> </div> <div class="votes-answer"> <div class="vote-count greenc" itemprop="upvoteCount"> +10 </div> </div> <div class="clearfix"></div> <div class="action-time"> <a href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" rel="noopener" target="_blank">Francis Avila</a> <time title="2012-05-10 06:21" itemprop="dateCreated" datetime="2012-05-10T06:21:23+0000"> 10 '12 6:21</time> </div> <a class="aa-link" href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" target="_blank" rel="noopener"></a> <a itemprop="url" class="s-link" href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" title="share"></a> <div class="clearfix"></div> </div> </div> </div> <ins style="height: 90px;display: block;margin-top: 15px;" data-zxname="zx-adnet" data-zxadslot="ZX-QRST" data-zxw="0" data-zxh="90" data-zxid="3" data-overlay="false"> </ins> <div class="answer last rltd" id="5412536_hash" itemscope="" itemtype="http://schema.org/Answer" itemprop="suggestedAnswer"> <div class="answer-row"> <div class="answer-text"> <div class="desc" itemprop="text"> ( ) <pre class="prettyprint-override"><code class="hljs php">$dom = new DOMDocument(); $dom->load('dom.xml'); $xp = new DOMXPath($dom); $booklist = $xp->query('/library/book'); $books = iterator_to_array($booklist); function sort_by_numeric_id_attr($a, $b) { return (int) $a->getAttribute('id') - (int) $b->getAttribute('id'); } usort($books, 'sort_by_numeric_id_attr'); $newdom = new DOMDocument("1.0"); $newdom->formatOutput = true; $root = $newdom->createElement("library"); $newdom->appendChild($root); foreach ($books as $b) { $node = $newdom->importNode($b,true); $root->appendChild($newdom->importNode($b,true)); } $newdom->save('DOM2.xml'); </code></pre> , DOMDocument ( importNode DOMNodes DOMDocument ). </div> <div class="votes-answer"> <div class="vote-count " itemprop="upvoteCount"> 0 </div> </div> <div class="clearfix"></div> <div class="action-time"> <a href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" rel="noopener" target="_blank">msgmash.com</a> <time title="2012-05-10 10:53" itemprop="dateCreated" datetime="2012-05-10T10:53:17+0000"> 10 '12 10:53</time> </div> <a class="aa-link" href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" target="_blank" rel="noopener"></a> <a itemprop="url" class="s-link" href="https://translate.googleusercontent.com/translate_c?depth=1&pto=aue&rurl=translate.google.com&sl=ru&sp=nmt4&tl=en&u=" title="share"></a> <div class="clearfix"></div> </div> </div> </div> <div class="answer-pager hidden"> </div> </div> </div> </div> <section class="more-articles-navigation-panel js-more-articles-navigation-panel"> <h4>More articles:</h4> <nav class="list-of-articles-container js-list-of-articles-container"><ul class="list-of-pages js-list-of-pages"> <li><a href="../1908843/index.html">Using inotify to track all files on a system - database</a></li> <li><a href="../1908844/index.html">Inotifywait for large directories - callback</a></li> <li><a href="../1908845/index.html">Sorting a list of objects based on different data elements in java - java</a></li> <li><a href="../1908846/index.html">errors installing a package on a carrier wave - ruby | fooobar.com</a></li> <li><a href="../1908847/index.html">editing some video frames using GPUImage - iphone</a></li> <li><a href="../1908849/index.html">Is embeddable audio embedded? - facebook</a></li> <li><a href="../1908850/index.html">Debugging combinational logic loops in Icarus Verilog - verilog</a></li> <li><a href="../1908851/index.html">Параметр Namespacing приводит к тому, что функция JSLint использовалась до того, как она определила ошибку - javascript</a></li> <li><a href="../1908852/index.html">Regular expression for InputFilter for EditText in Android - android</a></li> <li><a href="../1908853/index.html">Avoiding black screen when resuming activity in AndEngine - android</a></li> </ul></nav> </section> <a href="../../allArticles.html">All Articles</a> <script src="../../js/main.js"></script>  <script type="text/javascript" > (function (d, w, c) { (w[c] = w[c] || []).push(function() { try { w.yaCounter62683636 = new Ya.Metrika({ id:62683636, clickmap:true, trackLinks:true, accurateTrackBounce:true, webvisor:true }); 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