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<?php
namespace dokuwiki\Sitemap;
/**
* An item of a sitemap.
*
* @author Michael Hamann
*/
class Item {
public $url;
public $lastmod;
public $changefreq;
public $priority;
/**
* Create a new item.
*
* @param string $url The url of the item
* @param int $lastmod Timestamp of the last modification
* @param string $changefreq How frequently the item is likely to change.
* Valid values: always, hourly, daily, weekly, monthly, yearly, never.
* @param $priority float|string The priority of the item relative to other URLs on your site.
* Valid values range from 0.0 to 1.0.
*/
public function __construct($url, $lastmod, $changefreq = null, $priority = null) {
$this->url = $url;
$this->lastmod = $lastmod;
$this->changefreq = $changefreq;
$this->priority = $priority;
}
/**
* Helper function for creating an item for a wikipage id.
*
* @param string $id A wikipage id.
* @param string $changefreq How frequently the item is likely to change.
* Valid values: always, hourly, daily, weekly, monthly, yearly, never.
* @param float|string $priority The priority of the item relative to other URLs on your site.
* Valid values range from 0.0 to 1.0.
* @return Item The sitemap item.
*/
public static function createFromID($id, $changefreq = null, $priority = null) {
$id = trim($id);
$date = @filemtime(wikiFN($id));
if(!$date) return null;
return new Item(wl($id, '', true), $date, $changefreq, $priority);
}
/**
* Get the XML representation of the sitemap item.
*
* @return string The XML representation.
*/
public function toXML() {
$result = ' <url>'.NL
.' <loc>'.hsc($this->url).'</loc>'.NL
.' <lastmod>'.date_iso8601($this->lastmod).'</lastmod>'.NL;
if ($this->changefreq !== null)
$result .= ' <changefreq>'.hsc($this->changefreq).'</changefreq>'.NL;
if ($this->priority !== null)
$result .= ' <priority>'.hsc($this->priority).'</priority>'.NL;
$result .= ' </url>'.NL;
return $result;
}
}
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