PHP implements method of reading book XML format data based on DOM

The example of this article describes the method of reading book xml format data based on dom. Share it with everyone for your reference, the details are 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

I hope this article will be helpful to everyone in PHP programming.

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