<?

// URL RSS file
$rss_file = "http://www.johnandjohn.nl/rss.php";
//aantal headlines
$max_headlines = 1;



// Class with all the <item> and <channel> variables which will hold the information
// and parsing functions
class rss_parser {
// Flag tells which tag we enter
var $flag = 0;
var $tag = "";
// used for checking the for loop, how many items we got
var $cnt=0;

// How many news lines do you want?
var $max_lines;

// <item> iformation
var $title = " ";
var $description = " ";
var $link = " ";
var $pubdate = " ";
// </item>

// <channel> information
var $channel_copyright = "";
var $channel_managingeditor = "";
var $channel_language = "";
var $channel_lastbuilddate = "";
// </channel>


function set_max($max) {
$this->max_lines = $max+1;
}
// Function for start tag such as <item> and <channel>
function startElement($parser, $tagname, $attributes) {
$this->tag = $tagname;
if($this->tag == "CHANNEL" {
$this->flag = 1;
}
elseif($this->tag == "ITEM" {
$this->flag = 2;
$this->cnt++;
}
elseif($this->tag == "IMAGE"{
$this->flag = 3; // Dummy since we dont use it
}
}

// Function for end tag such as </item> and </channel>
function endElement($parser, $tagname) {

// If we enter </item>
if($tagname == "ITEM" {
if($this->cnt == $this->max_lines) {
exit();
}

if(empty($this->description)) $this->description = "none";
if(empty($this->pubdate)) $this->pubdate = "unknown";

// Show the news
echo(trim($this->description));
// You could also show the Publication date....

// Empty the vars for new values
unset($this->title);
unset($this->description);
unset($this->link);
unset($this->pubdate);

}
// If we enter </channel>
elseif($tagname == "CHANNEL" {
if(empty($this->channel_copyright)) $this->copyright = "unknown";
if(empty($this->channel_managingeditor)) $this->channel_managingeditor = "unknown";
if(empty($this->channel_language)) $this->channel_language = "unknown";
if(empty($this->channel_lastbuilddate)) $this->channel_lastbuilddate = "unknown";

// We could show the RSS information here, it's up to yourself do it
}
}

// Collect information and put it in the variables
function characterData($parser, $data) {

if($this->flag == 1) { // entering <channel>
switch($this->tag) {
case "LANGUAGE":
$this->channel_language .= $data;
break;
case "LASTBUILDDATE":
$this->channel_lastbuilddate .= $data;
break;
case "COPYRIGHT":
$this->channel_copyright .= $data;
break;
case "MANAGINGEDITOR":
$this->channel_managingeditor .= $data;
break;
}
}
elseif($this->flag == 2) {
switch($this->tag) { // entering <item>
case "TITLE":
if(isset($this->title)) $this->title .= $data;
break;
case "DESCRIPTION":
if(isset($this->description)) $this->description .= $data;
break;
case "LINK":
if(isset($this->link)) $this->link .= $data;
break;
case "PUBDATE":
if(isset($this->pubdate)) $this->pubdate .= $data;
break;
}
}
}
}

// Create XML support and setup xml parser
$xp = xml_parser_create();
$rss_parser = new rss_parser();
xml_set_object($xp,$rss_parser);

// Ignore whitespaces
xml_parser_set_option($xp, XML_OPTION_SKIP_WHITE, TRUE);

// Setup the start and end functions (Event handlers)
xml_set_element_handler($xp, "startElement", "endElement";
xml_set_character_data_handler($xp, "characterData";

$rss_parser->set_max($max_headlines);

// Open xml file which contains the RSS info
if($fp = @fopen($rss_file,"r") {
fflush($fp);

// Read it in chunks of 4 kilobytes
while($data = fread($fp, 4096)) {
if(!(xml_parse($xp, trim($data), feof($fp))))
die(sprintf("%s <b>%s</b>",PARSE, $rss_file));
}
// Close file pointer and free up the RSS parser cache info
fclose($fp);
xml_parser_free($xp);
}
else // Error opening RSS file
die(sprintf("%s <b>%s</b>",OPEN,$rss_file));
?>