--TEST-- Test 6: Extends Test --SKIPIF-- <?php require_once('skipif.inc'); ?> --FILE-- <?php Class books extends domDocument { function addBook($title, $author) { $titleElement = $this->createElement("title"); $titleElement->appendChild($this->createTextNode($title)); $authorElement = $this->createElement("author"); $authorElement->appendChild($this->createTextNode($author)); $bookElement = $this->createElement("book"); $bookElement->appendChild($titleElement); $bookElement->appendChild($authorElement); $this->documentElement->appendChild($bookElement); } } $dom = new books; $dom->load(dirname(__FILE__)."/book.xml"); $dom->addBook("PHP de Luxe", "Richard Samar, Christian Stocker"); print $dom->saveXML(); --EXPECT-- <?xml version="1.0"?> <books> <book> <title>The Grapes of Wrath</title> <author>John Steinbeck</author> </book> <book> <title>The Pearl</title> <author>John Steinbeck</author> </book> <book><title>PHP de Luxe</title><author>Richard Samar, Christian Stocker</author></book></books>