Detailed explanation of how PHP reads book XML format data based on DOM

This article mainly introduces the method of using PHP to read book XML format data based on DOM. It involves PHP's DOM-based reading operation for XML format files. Friends in need can refer to the following

for details. As follows:

<?php
 $doc = new DOMDocument();
 $doc->load( &#39;books.xml&#39; );
 $books = $doc->getElementsByTagName( "book" );
 foreach( $books as $book )
 {
 $authors = $book->getElementsByTagName( "author" );
 $author = $authors->item(0)->nodeValue;
 $publishers = $book->getElementsByTagName( "publisher" );
 $publisher = $publishers->item(0)->nodeValue;
 $titles = $book->getElementsByTagName( "title" );
 $title = $titles->item(0)->nodeValue;
 echo "$title - $author - $publisher\n";
 }
?>

books.xml file is as follows:

<?xml version="1.0"?>
<books>
 <book>
  <author>Jack Herrington</author>
  <title>PHP Hacks</title>
  <publisher>O&#39;Reilly</publisher>
 </book>
 <book>
  <author>Jack Herrington</author>
  <title>Podcasting Hacks</title>
  <publisher>O&#39;Reilly</publisher>
 </book>
</books>

The running results are as follows:

PHP Hacks - Jack Herrington - O'Reilly
Podcasting Hacks - Jack Herrington - O'Reilly

The above is the entire content of this article, I hope it will be helpful to everyone's study.

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