<?php

include_once 'lib.php';

//가져올 RSS 주소를 지정하면됩니다.
$urls = array('http://sizuha.egloos.com/index.xml', 'http://kori2sal.innori.com/rss');

foreach ($urls as $url):
$handle = fopen($url, 'r');

if ($handle):
$document = '';

while (!feof($handle))
$document .= fgets($handle, 4096);

fclose($handle);

//파서 생성
$rss = new RSSParser;

//파싱
$rss->setRSS($document);
rssParse($rss);

$rss = NULL;
endif;
endforeach;

?>

<?php

function rssParse($rss_obj)
{
//내장 XML 파서 생성
$xml_parser = xml_parser_create('UTF-8');

xml_set_object($xml_parser, $rss_obj);
xml_parser_set_option($xml_parser, XML_OPTION_CASE_FOLDING, FALSE);

//XML 파서에 이벤트 핸들러를 할당
xml_set_element_handler($xml_parser, "startElement", "endElement");
xml_set_character_data_handler($xml_parser, "characterData");

//XML 파싱
xml_parse($xml_parser, $rss_obj->getRSS());
xml_parser_free($xml_parser);
}


class RSSParser
{
private $rss_doc;

private $current_element;
private $in_item = FALSE;
private $in_description = FALSE;
private $title;
private $date;
private $link;
private $category;
private $content;


function setRSS($rss_text)
{
$this->rss_doc = $rss_text;
}

function getRSS()
{
return $this->rss_doc;
}

//태그가 시작하는 부분에서 처리할 내용
function startElement($parser, $element, $attrs)
{
if ($this->in_description) return;

$this->current_element = strtoupper($element);

switch ($this->current_element):
case 'ITEM' :
$this->in_item = TRUE;
break;

case 'DEscRIPTION' :
if ($this->in_item) {
$this->in_description = TRUE;
$this->content = '';
}
break;

default:
break;
endswitch;
}

function endElement($parser, $element)
{
$el = strtoupper($element);

if ($this->in_description and 'DEscRIPTION' != $el) return;

switch (strtoupper($el)):
case 'ITEM' :
$this->in_item = FALSE;
$this->printItem(); // 저장된 포스트를 출력하거나 DB로 자장하면 됨.
break;

case 'DEscRIPTION' :
if ($this->in_item) {
$this->in_description = FALSE;
}
break;

default:
break;
endswitch;

$this->current_element = '';
}

function characterData($parser, $data)
{
if ('' == trim($data)) return;

if ($this->in_item):

switch ($this->current_element):
case 'TITLE' :
$this->title = $data;
break;

case 'DEscRIPTION' :
$this->content .= $data; //반드시 .= 연산자를 써야함!
break;

case 'CATEGORY' :
$this->category = $data;
break;

case 'PUBDATE' :
$this->date = $data;
break;

case 'LINK' :
$this->link = $data;
break;
endswitch;

endif;
}

//여기서는 바로 출력을 하지만, DB에 저장하는 방식으로 구현할 수도 있습니다.
private function printItem()
{
echo "<P><STRONG>";
echo $this->title;
echo "</STRONG>";

echo " (";
echo $this->date.")</P>";

echo $this->content;
echo "<BR>";
echo $this->category." | ";
echo $this->link;

echo "<br><br>";
}

}//end of class

?>