function sitemap($file = "./sitemap.xml")
{
//define( "ENT_XML1", 16 );//Porque no conoce esto el PHP?????!!!
$sl = "\n";
$sg = "\t";
$fp = fopen($file, "w");
$where = "visible=1";
$order = "id asc";
$limit = "";
$tipo = "arrIds";
$arrIdsProd = Producto::AllToArray($where, $order, $limit, $tipo);
$where = "visible=1";
$order = "id asc";
$limit = "";
$tipo = "arrIds";
$arrIdsCat = Categoria::AllToArray($where, $order, $limit, $tipo);
$contents = '<?xml version="1.0" encoding="UTF-8" ?>' . $sl;
$contents .= '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . $sl;
foreach ($arrIdsCat as $idCat) {
$objCat = new Categoria($idCat);
$contents .= $sg . '<url>' . $sl;
$contents .= $sg . $sg . '<loc>';
$contents .= str_replace("&", "&", $objCat->url(false));
$contents .= '</loc>' . $sl;
$contents .= $sg . $sg . '<lastmod>';
$contents .= Fecha::toW3C(Fecha::fromMysql($objCat->GETupdate()));
$contents .= '</lastmod>' . $sl;
$contents .= $sg . $sg . '<changefreq>';
$contents .= "weekly";
$contents .= '</changefreq>' . $sl;
$contents .= $sg . $sg . '<priority>';
$contents .= '0.5';
//TODO: mejora: establecer este valor en base a las valoraciones de los usuarios
$contents .= '</priority>' . $sl;
$contents .= $sg . '</url>' . $sl;
}
foreach ($arrIdsProd as $idProd) {
$objProd = new Producto($idProd);
$contents .= $sg . '<url>' . $sl;
$contents .= $sg . $sg . '<loc>';
$contents .= str_replace("&", "&", $objProd->url(false));
$contents .= '</loc>' . $sl;
$contents .= $sg . $sg . '<lastmod>';
$contents .= Fecha::toW3C(Fecha::fromMysql($objProd->GETupdate()));
$contents .= '</lastmod>' . $sl;
$contents .= $sg . $sg . '<changefreq>';
$contents .= "weekly";
$contents .= '</changefreq>' . $sl;
$contents .= $sg . $sg . '<priority>';
$contents .= '0.5';
//TODO: mejora: establecer este valor en base a las valoraciones de los usuarios
$contents .= '</priority>' . $sl;
$contents .= $sg . '</url>' . $sl;
}
$contents .= '</urlset>' . $sl;
fwrite($fp, $contents);
fclose($fp);
chmod($file, 0666);
//comprimirlo
$gzfile = $file . ".gz";
// Open the gz file (w9 is the highest compression)
$fp = gzopen($gzfile, 'w9');
// Compress the file
gzwrite($fp, file_get_contents($file));
// Close the gz file and we are done
gzclose($fp);
chmod($gzfile, 0666);
unlink($file);
}
