php用 dom 编写图书 xml

<?php

  $books = array();

  $books [] = array(

  'title' => 'PHP Hacks',

  'author' => 'Jack Herrington',

  'publisher' => "O'Reilly"

  );

  $books [] = array(

  'title' => 'Podcasting Hacks',

  'author' => 'Jack Herrington',

  'publisher' => "O'Reilly"

  );

  

  $doc = new DOMDocument();

  $doc->formatOutput = true;

  

  $r = $doc->createElement( "books" );

  $doc->appendChild( $r );

  

  foreach( $books as $book )

  {

  $b = $doc->createElement( "book" );

  

  $author = $doc->createElement( "author" );

  $author->appendChild(

  $doc->createTextNode( $book['author'] )

  );

  $b->appendChild( $author );

  

  $title = $doc->createElement( "title" );

  $title->appendChild(

  $doc->createTextNode( $book['title'] )

  );

  $b->appendChild( $title );

  

  $publisher = $doc->createElement( "publisher" );

  $publisher->appendChild(

  $doc->createTextNode( $book['publisher'] )

  );

  $b->appendChild( $publisher );

  

  $r->appendChild( $b );

  }

  

  echo $doc->saveXML();

  ?>