Beispiel #1
0
 /**
  * Builds and returns an XML sitemap.
  * @uses date in standard db form, W3C Datetime (YYYY-MM-DD)
  *
  * @param string/array $items Database table we work with or array of data already
  * @param string $linksURL URL to append slug links to (e.g., http://.$_SERVER['HTTP_HOST'].WWW_DIR.Controller)
  * @return XML sitemap
  */
 public function create($items, $linksURL = NULL)
 {
     // try determining this server's address if URL is not provided
     if (!isset($linksURL)) {
         $linksURL = 'http://' . $_SERVER['SERVER_NAME'] . WWW_DIR;
     }
     // add a trailing slash to URL
     $linksURL = Fari_File::addTrailingSlash($linksURL);
     // start dom string
     $DOMDocument = new DOMDocument('1.0', 'UTF-8');
     // <urlset> root
     $rootNode = $DOMDocument->appendChild($DOMDocument->createElementNS('http://www.sitemaps.org/schemas/sitemap/0.9', 'urlset'));
     // get items from the database if we are not passing a formed array already
     if (!is_array($items)) {
         // last modification date and page priority won't be provided
         if (!isset($this->lastModificationDate) && !isset($this->pagePriority)) {
             $columns = $this->linkSlug;
             // last modification date won't be provided
         } elseif (!isset($this->lastModificationDate)) {
             $columns = $this->linkSlug . ', ' . $this->pagePriority;
             // page priority won't be provided
         } elseif (!isset($this->pagePriority)) {
             $columns = $this->linkSlug . ', ' . $this->lastModificationDate;
             // we will be provided with all params
         } else {
             $columns = $this->linkSlug . ',' . $this->lastModificationDate . ',' . $this->pagePriority;
         }
         // the actual call to the db
         $items = Fari_Db::select($items, $columns);
     }
     // set default element text, page priority
     $pagePriorityText = self::LINK_PRIORITY;
     // set default element text, generate last modification date as now
     $lastModificationText = date('Y-m-d');
     // traverse through all records
     foreach ($items as $item) {
         // <urlset><url>
         $URLNode = $rootNode->appendChild($DOMDocument->createElement('url'));
         // <urlset><url><loc> link address
         $URLNode->appendChild($DOMDocument->createElement('loc', $linksURL . $item[$this->linkSlug]));
         // <urlset><url><lastmod> last modification date of the page
         if (isset($this->lastModificationDate)) {
             $lastModificationText = $item[$this->lastModificationDate];
             // convert UNIX timestamp to well formed date if present
             if (strlen($lastModificationText) == 10 && $lastModificationText > 1000000000) {
                 $lastModificationText = date('Y-m-d', $lastModificationText);
             }
         }
         $URLNode->appendChild($DOMDocument->createElement('lastmod', $lastModificationText));
         // <urlset><url><priority> page priority
         if (isset($this->pagePriority)) {
             $pagePriorityText = $item[$this->pagePriority];
         }
         $URLNode->appendChild($DOMDocument->createElement('priority', $pagePriorityText));
     }
     // generate XML and return
     $DOMDocument->formatOutput = TRUE;
     return $DOMDocument->saveXML();
 }