<?xml version="1.0" encoding="UTF-8" standalone="yes" ?><book><!--XML Processing [part I] -->  <name>XML Processing I</name>  <author>John Smith Jr.</author>  <publisher>HisOwnTM</publisher>  <ISBN>111-222-333-4441</ISBN>  <contents>    <chapter_I>      <title>What is XML about ?</title>      <content>XML (Extensible Markup Language) is a ...</content>    </chapter_I>    <chapter_II>      <title>SAX</title>      <content>SAX is a simple API for ...</content>    </chapter_II>    <chapter_III>      <title>StAX</title>      <content>Much powerful and flexible, StAX, is very...</content>    </chapter_III>    <chapter_IV>      <title>DOM        <subtitle>DOM concept          <continut>Starting to use DOM...</continut>        </subtitle>        <subchapter_IV_I>          <title>First DOM application...</title>          <content>Here it is your first DOM application...</content>        </subchapter_IV_I>       </title>                </chapter_IV>             <end>The end...</end>           </contents><!-- See you in XML Processing [part II] --></book>

DOMNodeList DOMElement::getElementsByTagName(string $name)

<?php // Create a document instance   $doc = new DOMDocument();  //Load the Book.xml file  $doc->load( 'Book.xml' );    //Searches for all elements with the "book" tag name  $books = $doc->getElementsByTagName( "book" );   //Searches for all elements with the "author" tag name  $authors = $doc->getElementsByTagName( "author" );  //Returns the first element found having the tag name "author"  $author = $authors->item(0)->nodeValue;    //Searches for all elements with the "publisher" tag name  $publishers = $doc->getElementsByTagName( "publisher" );  //Returns the first element found   //having the tag name "publisher"  $publisher = $publishers->item(0)->nodeValue;    //Searches for all elements with the "name" tag name  $titles = $doc->getElementsByTagName( "name" );  //Returns the first element found having the tag name "name"  $title = $titles->item(0)->nodeValue;    //Printing the found values  echo "$title - $author - $publisher \n";?>

XML Processing I - John Smith Jr. - HisOwnTM

function getNodesInfo($node){   if ($node->hasChildNodes())   {      $subNodes = $node->childNodes;      foreach ($subNodes as $subNode)      {         if (($subNode->nodeType != 3) ||             (($subNode->nodeType == 3) &&            (strlen(trim($subNode->wholeText))>=1)))            {            echo "Node name: ".$subNode->nodeName."\n";            echo "Node value: ".$subNode->nodeValue."\n";         }         getNodesInfo($subNode);               }   }      }   

if (($subNode->nodeType != 3) ||    (($subNode->nodeType == 3) &&   (strlen(trim($subNode->wholeText))>=1)))

<?php//Create a document instance $doc = new DOMDocument();//Load the Book.xml file$doc->load( 'Book.xml' );  //Setting the objects tree root $root = $dom->firstChild;// Recursive function to list all nodes of a subtreefunction getNodesInfo($node){   if ($node->hasChildNodes())   {      $subNodes = $node->childNodes;      foreach ($subNodes as $subNode)      {         if (($subNode->nodeType != 3) ||             (($subNode->nodeType == 3)              &&(strlen(trim($subNode->wholeText))>=1)))            {         echo "Node name: ".$subNode->nodeName."\n";         echo "Node value: ".$subNode->nodeValue."\n";      }      getNodesInfo($subNode);               }   }      }   //The getNodesInfo function callgetNodesInfo($root);?>

DOMElement createElement(string $name [, string $value ])

DOMText createTextNode(string $content)

DOMNode DOMNode::appendChild(DOMNode $newnode)

DOMNode DOMNode::insertBefore(DOMNode $newnode [,DOMNode $refnode])

//Create a new element $newElement = $dom->createElement('bibliography','Martin Didier, Professional XML');// Add it to the root using the appendChild method//The appendChild function callappendNewChild($root,$newElement);//This function appends a new child nodefunction appendNewChild($currentNode, $node){   $currentNode->appendChild($node);}

//create a new <foreword> element$newElement = $dom->createElement('foreword',   'What I love about this book is that it '.   'grew out of just such a process, '.   'and shows it on every page.');//Set the reference node$allContents = $dom->getElementsByTagName('publisher');$contents = $allContents->item(0);//Call the insertNewChild function insertNewChild($contents,$newElement);//This function inserts a new child //as the first child of $currentNode function insertNewChild($currentNode, $node){   $currentNode->insertBefore(      $node, $currentNode->firstChild);   }

DOMNode DOMNode::cloneNode([ bool $deep])

//Set the reference node$author = $root->getElementsByTagName('author')->item(0);//Call the cloningNode function cloningNode($author); //This function clone the $currentNodefunction cloningNode($currentNode)   {         $clonenode = $currentNode -> cloneNode(true);      $newnode = $currentNode->appendChild($clonenode);      }

DOMNode DOMNode::removeChild(DOMNode $oldnode)

//Get a reference to the bibliography node$bibliography = $root->getElementsByTagName(   'bibliography')->item(0);//Call the removingChild function removingChild($bibliography);//This function remove the $currentNode nodefunction removingChild($currentNode){   $oldbibliography = $root->removeChild($currentNode);   }   

DOMNode DOMNode::replaceChild(DOMNode $newnode, DOMNode $oldnode)

//Get the ISBN node$element = $dom->getElementsByTagName('ISBN')->item(0); //Create the new <code> element $code = $dom->createElement('code', '909090');//Call the replacingNode function replacingNode($code,$element);//This function replaces $currentNode with $node function replacingNode($currentNode, $node){   $node->parentNode->replaceChild($currentNode, $node);   }   

DOMNode DOMDocument::importNode(DOMNode $importedNode [,bool $deep])

<?xml version="1.0" encoding="UTF-8" standalone="yes" ?><!--chapter V--><continue>  <chapter_V>   <title>XPath</title>   <content>XPath is language for...</content>  </chapter_V>    <![CDATA[     This chaper is a bonus to...     ]]>    <printing cap_I="click_here_for_chapter_I"     cap_II="click_here_for_chapter_II"       cap_III="click_here_for_chapter_III"    cap_IV="click_here_for_chapter_IV"     cap_V="click_here_for_chapter_V" />  </continue>

<?php$olddoc = new DOMDocument;$olddoc->load("Book_continue.xml");// The node we want to import to a new document$node = $olddoc->getElementsByTagName("continue")->item(0);$newdoc = new DOMDocument;$newdoc->formatOutput = true;$newdoc->load("Book.xml");// Import the node, and all its children, to the document$node = $newdoc->importNode($node, true);// And then append it to the root node$newdoc->documentElement->appendChild($node);echo "\nThe 'new document' after copying the nodes into it:\n";$root = $newdoc->firstChild;function getNodesInfo($node){   if ($node->hasChildNodes())   {      $subNodes = $node->childNodes;      foreach ($subNodes as $subNode)      {         if (($subNode->nodeType != 3) ||             (($subNode->nodeType ==3) &&            (strlen(trim($subNode->wholeText))>=1)))            {         echo "Node name: ".$subNode->nodeName."\n";         echo "Node value: ".$subNode->nodeValue."\n";      }      getNodesInfo($subNode);               }   }      }getNodesInfo($root);   ?>

bool DOMNode::isSameNode(DOMNode $node)

//Checking if two nodes are equals$author1 = $root->getElementsByTagName('autor')->item(0);$author2 = $root->getElementsByTagName('autor')->item(1);//The verifyNodes function callverifyNodes($author1,$author2);function verifyNodes($currentNode, $node){   if (($currentNode->isSameNode($node))==true)   {      echo "These two nodes are the same";   }   }

DOMComment DOMDocument::createComment(string $data)

DOMCDATASection DOMDocument::createCDATASection(string $data)

<?php     //Create a document instance   $document = new DOMDocument();    //Formats output with indentation  $document->formatOutput = true;    //Create a comment  $comment = $document->createComment('Beautiful flowers!!!');  $document->appendChild( $comment );   //Create the <flowers> root element   $root = $document->createElement( 'flowers' );  $document->appendChild( $root );    //Create the <tulips> children of the root  $tulips = $document->createElement( 'tulips' );    //Create the first child of the <tulips> element,<bulbs>,   // and set its attribute  $bulbs_1 = $document->createElement( 'bulbs' );     $bulbs_1->setAttribute('price','€ 7.65');  $bulbs_1->appendChild($document->createTextNode( 'Parrot'));  $tulips->appendChild( $bulbs_1 );    //Create the second child of the <tulips> element,<bulbs>,   // and set its attribute  $bulbs_2 = $document->createElement( 'bulbs' );      $bulbs_2->setAttribute('color','magenta');  $bulbs_2->appendChild($document->createTextNode( 'Lily flowering' ));  $tulips->appendChild( $bulbs_2 );    //Append the <tulips> node to the root  $root->appendChild( $tulips );    //Create a CDATA section  $cdata = $document->createCDATASection(    '<gladiolus><species>Sword Lily</species>'.    '<species>Starface</species></gladiolus>');  $document->appendChild( $cdata );     //Save the object tree to Flowers.xml   echo $document->saveXML();  $document->save('Flowers.xml');?>

<?xml version="1.0" encoding="ISO-8859-1"?><!--Beautiful flowers!!!--><flowers>  <tulips>    <bulbs price="€ 7.65">Parrot</bulbs>    <bulbs color="magenta">Lily flowering</bulbs>  </tulips></flowers><![CDATA[<gladiolus>    <species>Sword Lily</species>    <species>Starface</species>  </gladiolus>]]>