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<?php
/**
* @author Bogdan Savluk <savluk.bogdan@gmail.com>
* For more info about params see:
* @link http://www.sitemaps.org/protocol.html
*/
class SitemapWriter
{
const FREQ_ALWAYS = 0;
const FREQ_HOURLY = 1;
const FREQ_DAILY = 2;
const FREQ_WEEKLY = 3;
const FREQ_MONTHLY = 4;
const FREQ_YEARLY = 5;
const FREQ_NEVER = 6;
private static $freq = array(
'always',
'hourly',
'daily',
'weekly',
'monthly',
'yearly',
'newer');
private $_pull = array();
public function addPage($location, $lastmod = null, $changefreq = null, $priority = null)
{
$this->_pull[] = array(
$location, $lastmod, $changefreq, $priority
);
}
public function generateXml($processOutput = false)
{
if ($processOutput) {
ob_start();
}
echo '<?xml version="1.0" encoding="UTF-8"?>',"\n",
'<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">',"\n";
foreach ($this->_pull as &$item) {
echo " ",'<url>',"\n ",'<loc>', htmlentities($item[0]), '</loc>',"\n";
if (isset($item[1])) {
echo " ",'<lastmod>', $item[1], '</lastmod>',"\n";
}
if (isset($item[1])) {
echo " ",'<changefreq>', self::$freq[$item[2]], '</changefreq>',"\n";
}
if (isset($item[1])) {
echo " ",'<priority>', $item[3], '</priority>',"\n";
}
echo " ",'</url>',"\n";
}
echo '</urlset>';
$res = null;
if ($processOutput) {
$res = ob_get_clean();
}
return $res;
}
}
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