private function _load_sitemap_from_cache($module_name, $sitemap_name)
{
if ('yes' != $this->options['enable_cache'] || $this->_debug) {
// cache is not enabled or debug is enabled
return false;
}
$cache_status = $this->cache->get_cache_status($module_name, $sitemap_name);
if (!$cache_status) {
// cache is invalid
return false;
} else {
if ($cache_status == '304') {
// http cache can be used, we don't need to output anything except
// for some headers
$this->_send_headers(array_merge(array('status' => 304), $this->cache->get_headers()));
} else {
if ($cache_status == '200') {
// file cache is ok, output the cached sitemap
$this->_send_headers($this->cache->get_headers());
$cache_file = $this->cache->get_cache_file();
if ($this->_is_gzip_ok() && !self::is_gzipped()) {
// when server or script is not already gzipping, and gzip is
// allowed, we simply read the cached file without any
// additional compression because cached sitemap files are
// stored as gzipped files.
readfile($cache_file);
} else {
// if we can't use a gzipped file, decompress before reading it
readgzfile($cache_file);
}
}
}
}
if (in_array($cache_status, array('200', '304'))) {
$this->log_success(sprintf(__('Successfully served a cached version of <em>%s.xml</em>.', $this->domain), $sitemap_name));
$this->commit_logs();
return true;
}
}
private function _load_sitemap_from_cache($module_name, $sitemap_name)
{
// cache is not enabled or debug is enabled
if ('yes' != $this->options['enable_cache'] || $this->_debug) {
return false;
}
$cache_status = $this->sitemap_cache->get_cache_status($module_name, $sitemap_name);
// cache is invalid
if (!$cache_status) {
return false;
} elseif (!empty($_GET['generate']) && current_user_can('manage_options')) {
// @since 1.4.0 admin is regenerating the sitemap, no cache should
// be used, even when cache status is valid. We need to do this
// here because we want to regenerate the sitemap, which requires
// the cache file, but it is only determined after running
// BWP_GXS_CACHE::get_cache_status(). This should be fixed in
// future versions.
return false;
} elseif ($cache_status == '304') {
// http cache can be used, we don't need to output anything except
// for some headers
// @link http://edn.embarcadero.com/article/38123
$this->_send_headers(array_merge(array('status' => 304), $this->sitemap_cache->get_headers()));
} elseif ($cache_status == '200') {
// file cache is ok, output the cached sitemap
$this->_send_headers($this->sitemap_cache->get_headers());
$cache_file = $this->sitemap_cache->get_cache_file();
// when server or script is not already gzipping, and gzip is
// allowed, we simply read the cached file without any additional
// compression because cached sitemap files are stored as gzipped
// files.
if ($this->_is_gzip_ok() && !self::is_gzipped()) {
readfile($cache_file);
} else {
// if we can't use a gzipped file, decompress before reading it
readgzfile($cache_file);
}
}
if (in_array($cache_status, array('200', '304'))) {
$this->log_success(sprintf(__('Successfully served a cached version of <em>%s.xml</em>.', $this->domain), $sitemap_name));
$this->commit_logs();
return true;
}
}