....
/**
* A class for generating XML sitemaps
*
* @version 0.7
* @access public
* @package sitemaps
*/
class Sitemaps
{
var $items = array();
function Sitemaps()
{
$CI =& get_instance();
$CI->config->load('sitemaps');
}
/**
* Adds a new item to the urlset
*
* @param array $new_item
* @access public
*/
function add_item($new_item)
{
$this->items[] = $new_item;
}
/**
* Adds an array of items to the urlset
*
* @param array $new_items array of items
* @access public
*/
function add_item_array($new_items)
{
$this->items = array_merge($this->items, $new_items);
}
/**
* Generates the sitemap XML data
*
* @param string $file_name (optional) if file name is supplied the XML data is saved in it otherwise returned as a string
* @param bool $gzip (optional) compress sitemap, overwrites config item 'sitemaps_gzip'
* @access public
* @return string
*/
function build($file_name = null, $gzip = NULL)
{
$CI =& get_instance();
$map = $CI->config->item('sitemaps_header') . "\n";
foreach($this->items as $item)
{
$item['loc'] = htmlentities($item['loc'], ENT_QUOTES);
$map .= "\t\n\t\t" . $item['loc'] . "\n";
$attributes = array("lastmod", "changefreq", "priority");
foreach($attributes AS $attr)
{
if(isset($item[$attr]))
{
$map .= "\t\t" . $item[$attr] . "$attr>\n";
}
}
$map .= "\t\n\n";
}
unset($this->items);
$map .= $CI->config->item('sitemaps_footer');
if( ! is_null($file_name))
{
$fh = fopen($file_name, 'a');//w
fwrite($fh, $map);
fclose($fh);
if($CI->config->item('sitemaps_filesize_error') && filesize($file_name) > 1024 * 1024 * 30)
{
show_error('Your sitemap is bigger than 10MB, most search engines will not accept it.');
}
if($gzip OR (is_null($gzip) && $CI->config->item('sitemaps_gzip')))
{
$gzdata = gzencode($map, 9);
$file_gzip = str_replace("{file_name}", $file_name, $CI->config->item('sitemaps_gzip_path'));
$fp = fopen($file_gzip, "a");//w
fwrite($fp, $gzdata);
fclose($fp);
// Delete the uncompressed sitemap
unlink($file_name);
return $file_gzip;
}
return $file_name;
}
else
{
return $map;
}
}
/**
* Generate a sitemap index file pointing to other sitemaps you previously built
*
* @param array $urls array of urls, each being an array with at least a loc index
* @param string $file_name (optional) if file name is supplied the XML data is saved in it otherwise returned as a string
* @param bool $gzip (optional) compress sitemap, overwrites config item 'sitemaps_gzip'
* @access public
* @return string
*/
function build_index($urls, $file_name = null, $gzip = null)
{
$CI =& get_instance();
$index = $CI->config->item('sitemaps_index_header') . "\n";
foreach($urls as $url)
{
$url['loc'] = htmlentities($url['loc'], ENT_QUOTES);
$index .= "\t\n\t\t" . $url['loc'] . "\n";
if(isset($url['lastmod']))
{
$index .= "\t\t" . $url['lastmod'] . "\n";
}
$index .= "\t\n\n";
}
$index .= $CI->config->item('sitemaps_index_footer');
if( ! is_null($file_name))
{
$fh = fopen($file_name, 'w');
fwrite($fh, $index);
fclose($fh);
if($CI->config->item('sitemaps_filesize_error') && filesize($file_name) > 1024 * 1024 * 10)
{
show_error('Your sitemap index is bigger than 10MB, most search engines will not accept it.');
}
if($gzip OR (is_null($gzip) && $CI->config->item('sitemaps_index_gzip')))
{
$gzdata = gzencode($index, 9);
$file_gzip = str_replace("{file_name}", $file_name, $CI->config->item('sitemaps_index_gzip_path'));
$fp = fopen($file_gzip, "w");
fwrite($fp, $gzdata);
fclose($fp);
// Delete the uncompressed sitemap index
unlink($file_name);
return $file_gzip;
}
return $file_name;
}
else
{
return $index;
}
}
/**
* Notify search engines of your updates sitemap
*
* @param string $url_xml absolute URL of your sitemap, use Codeigniter's site_url()
* @param array $search_engines array of search engines to ping, see config file for notes
* @access public
* @return array HTTP reponse codes
*/
function ping($url_xml, $search_engines = NULL)
{
$CI =& get_instance();
if(is_null($search_engines))
{
$search_engines = $CI->config->item('sitemaps_search_engines');
}
$statuses = array();
foreach($search_engines AS $engine)
{
$status = 0;
if($fp = @fsockopen($engine['host'], 80))
{
$engine['url'] = emptyempty($engine['url']) ? "/ping?sitemap=" : $engine['url'];
$req = 'GET ' . $engine['url'] .
urlencode($url_xml) . " HTTP/1.1\r\n" .
"Host: " . $engine['host'] . "\r\n" .
$CI->config->item('sitemaps_user_agent') .
"Connection: Close\r\n\r\n";
fwrite($fp, $req);
while( ! feof($fp))
{
if(@preg_match('~^HTTP/\d\.\d (\d+)~i', fgets($fp, 128), $m))
{
$status = intval($m[1]);
break;
}
}
fclose($fp);
}
$statuses[] = array("host" => $engine['host'], "status" => $status, "request" => $req);
}
if($CI->config->item('sitemaps_log_http_responses') OR $CI->config->item('sitemaps_debug'))
{
foreach($statuses AS $reponse)
{
$message = "Sitemaps: " . $reponse['host'] . " responded with HTTP status " . $reponse['status'];
if($CI->config->item('sitemaps_log_http_responses'))
{
$level = $reponse['status'] == 200 ? 'debug' : 'error';
log_message($level, $message);
}
if($CI->config->item('sitemaps_debug'))
{
echo "
" . $message . " after request:
\n
" . $reponse['request'] . "
Salin selepas log masuk
\n\n";
}
}
}
return $statuses;
}
}
/**
* A class for generating XML sitemaps
*
* @version 0.7
* @access public
* @package sitemaps
*/
class Sitemaps
{
var $items = array();
function Sitemaps()
{
$CI =& get_instance();
$CI->config->load('sitemaps');
}
/**
* Adds a new item to the urlset
*
* @param array $new_item
* @access public
*/
function add_item($new_item)
{
$this->items[] = $new_item;
}
/**
* Adds an array of items to the urlset
*
* @param array $new_items array of items
* @access public
*/
function add_item_array($new_items)
{
$this->items = array_merge($this->items, $new_items);
}
/**
* Generates the sitemap XML data
*
* @param string $file_name (optional) if file name is supplied the XML data is saved in it otherwise returned as a string
* @param bool $gzip (optional) compress sitemap, overwrites config item 'sitemaps_gzip'
* @access public
* @return string
*/
function build($file_name = null, $gzip = NULL)
{
$CI =& get_instance();
$map = $CI->config->item('sitemaps_header') . "\n";
foreach($this->items as $item)
{
$item['loc'] = htmlentities($item['loc'], ENT_QUOTES);
$map .= "\t\n\t\t" . $item['loc'] . "\n";
$attributes = array("lastmod", "changefreq", "priority");
foreach($attributes AS $attr)
{
if(isset($item[$attr]))
{
$map .= "\t\t" . $item[$attr] . "$attr>\n";
}
}
$map .= "\t\n\n";
}
unset($this->items);
$map .= $CI->config->item('sitemaps_footer');
if( ! is_null($file_name))
{
$fh = fopen($file_name, 'a');//w
fwrite($fh, $map);
fclose($fh);
if($CI->config->item('sitemaps_filesize_error') && filesize($file_name) > 1024 * 1024 * 30)
{
show_error('Your sitemap is bigger than 10MB, most search engines will not accept it.');
}
if($gzip OR (is_null($gzip) && $CI->config->item('sitemaps_gzip')))
{
$gzdata = gzencode($map, 9);
$file_gzip = str_replace("{file_name}", $file_name, $CI->config->item('sitemaps_gzip_path'));
$fp = fopen($file_gzip, "a");//w
fwrite($fp, $gzdata);
fclose($fp);
// Delete the uncompressed sitemap
unlink($file_name);
return $file_gzip;
}
return $file_name;
}
else
{
return $map;
}
}
/**
* Generate a sitemap index file pointing to other sitemaps you previously built
*
* @param array $urls array of urls, each being an array with at least a loc index
* @param string $file_name (optional) if file name is supplied the XML data is saved in it otherwise returned as a string
* @param bool $gzip (optional) compress sitemap, overwrites config item 'sitemaps_gzip'
* @access public
* @return string
*/
function build_index($urls, $file_name = null, $gzip = null)
{
$CI =& get_instance();
$index = $CI->config->item('sitemaps_index_header') . "\n";
foreach($urls as $url)
{
$url['loc'] = htmlentities($url['loc'], ENT_QUOTES);
$index .= "\t\n\t\t" . $url['loc'] . "\n";
if(isset($url['lastmod']))
{
$index .= "\t\t" . $url['lastmod'] . "\n";
}
$index .= "\t\n\n";
}
$index .= $CI->config->item('sitemaps_index_footer');
if( ! is_null($file_name))
{
$fh = fopen($file_name, 'w');
fwrite($fh, $index);
fclose($fh);
if($CI->config->item('sitemaps_filesize_error') && filesize($file_name) > 1024 * 1024 * 10)
{
show_error('Your sitemap index is bigger than 10MB, most search engines will not accept it.');
}
if($gzip OR (is_null($gzip) && $CI->config->item('sitemaps_index_gzip')))
{
$gzdata = gzencode($index, 9);
$file_gzip = str_replace("{file_name}", $file_name, $CI->config->item('sitemaps_index_gzip_path'));
$fp = fopen($file_gzip, "w");
fwrite($fp, $gzdata);
fclose($fp);
// Delete the uncompressed sitemap index
unlink($file_name);
return $file_gzip;
}
return $file_name;
}
else
{
return $index;
}
}
/**
* Notify search engines of your updates sitemap
*
* @param string $url_xml absolute URL of your sitemap, use Codeigniter's site_url()
* @param array $search_engines array of search engines to ping, see config file for notes
* @access public
* @return array HTTP reponse codes
*/
function ping($url_xml, $search_engines = NULL)
{
$CI =& get_instance();
if(is_null($search_engines))
{
$search_engines = $CI->config->item('sitemaps_search_engines');
}
$statuses = array();
foreach($search_engines AS $engine)
{
$status = 0;
if($fp = @fsockopen($engine['host'], 80))
{
$engine['url'] = empty($engine['url']) ? "/ping?sitemap=" : $engine['url'];
$req = 'GET ' . $engine['url'] .
urlencode($url_xml) . " HTTP/1.1\r\n" .
"Host: " . $engine['host'] . "\r\n" .
$CI->config->item('sitemaps_user_agent') .
"Connection: Close\r\n\r\n";
fwrite($fp, $req);
while( ! feof($fp))
{
if(@preg_match
cara membina laman web
Kod sumber laman web
Bagaimana untuk menyekat laman web
Kaedah pengesanan kerentanan laman web biasa
Laman web analisis data yang disyorkan
Apakah yang dimaksudkan dengan penghalaan java?
Bagaimana untuk memulihkan fail yang dipadam pada komputer
Bagaimana untuk melihat proses dalam linux
![[Web front-end] Permulaan pantas Node.js](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
