<?php
class guestbook {
        private $file_name;
        private $xml;
        
        function __construct($filename) {
            $this->file_name = $filename;
            $this->xml = simplexml_load_file($this->file_name);
        }
               
        public function printFile() { 
            
            /* Skriv ut tittel og rating for alle filmer  */
            foreach ($this->xml->hilsen as $hilsen) {
                echo "<h2>" . utf8_decode($hilsen->tittel) . "</h2>";
                echo "<blockquote>" . utf8_decode($hilsen->tekst) . "</blockquote>";
                echo "Bes&oslash;k min <a href='" . utf8_decode($hilsen->web) . "'>hjemmeside</a><br />";
                echo utf8_decode($hilsen->dato) . "<br />";  
                echo "<hr>";
            }
        }

        public function addToFile( hilsen $post) {  
            
            $nytt_innlegg = $this->xml->addChild('hilsen');
            $nytt_innlegg->addChild("tittel",utf8_encode($post->visTittel()));
            $nytt_innlegg->addChild("web",utf8_encode($post->visUrl()));
            $nytt_innlegg->addChild("tekst",utf8_encode($post->visTekst()));
            $nytt_innlegg->addChild("dato",utf8_encode($post->visDato()));
                       
            $status = $this->xml->asXml($this->file_name);
            if(!$status) print ("Error during save of XML document");

        }

    }
?>