<?php
/**------------------------------------------------------------------------------
* File: example.php
* Description: usage example for dom-abstraction library
* Version: 1.0
* Author: Richard Keizer
* Email: ra dot keizer at gmail dot com
*------------------------------------------------------------------------------
* COPYRIGHT (c) 2011 Richard Keizer
*
* The source code included in this package is free software; you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation. This license can be
* read at:
*
* http://www.opensource.org/licenses/gpl-license.php
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*------------------------------------------------------------------------------
*
*
* Finally i figured out a way to extend php's DOMElement in a proper way.
* This example uses the W3C bookstore example.
* It loads the xml and automatically binds true DOMElement extends to each element.
* Finally we'll do a manual insert of a new book
*
*/
error_reporting(E_ALL);
ini_set('display_errors', 1);
include_once 'extendeddom.php';
class title extends extDOMElement {
public function setLanguage($lang) {
$this->setAttribute('lang', $lang);
return $this;
}
}
class cover extends extDOMElement {}
class year extends extDOMElement {}
class price extends extDOMElement {}
class author extends extDOMElement {}
class book extends extDOMElement {
public function setTitle($text, $lang) {
$this->createElement('title', null, $text)->setAttribute('lang', $lang);
return $this;
}
public function setCover($covertype) {
$this->setAttribute('cover', $covertype);
return $this;
}
public function setPrice($amount) {
$this->createElement('price', null, $amount);
return $this;
}
public function setYear($year) {
$this->createElement('year', null, $year);
return $this;
}
public function addAuthor($name) {
$this->createElement('author', null, $name);
return $this;
}
public function setCategory($text) {
$this->setAttribute('category', $text);
return $this;
}
}
class bookstore extends extDOMElement {
public function addBook($category, $cover, $title, $lang, $author, $year, $price) {
$this->createElement('book')->setCategory($category)
->setCover($cover)
->setTitle($title, $lang)
->addAuthor($author)
->setYear($year)
->setPrice($price);
}
}
$doc = new extDOMDocument();
$doc->loadXML(file_get_contents('http://www.w3schools.com/dom/books.xml'));
$xpath = new DOMxpath($doc);
$bookstore = $xpath->query('/bookstore')->item(0);
//var_dump(is_subclass_of($bookstore, 'DOMElement')); // uncomment this to prove that this is a true DOMElement extend!
$bookstore->addBook('SF (comedy)','paperback','The Hitchhiker\'s Guide to the Galaxy', 'en', 'Douglas Adams', '1979', '7.99');
echo $doc->saveXML();
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