/**
* Do cache logic
*/
function process()
{
if ($this->_config->get_boolean('pgcache.enabled')) {
/**
* Skip caching for some pages
*/
switch (true) {
case defined('DONOTCACHEPAGE'):
case defined('DOING_AJAX'):
case defined('DOING_CRON'):
case defined('APP_REQUEST'):
case defined('XMLRPC_REQUEST'):
case defined('WP_ADMIN'):
case defined('SHORTINIT') && SHORTINIT:
return;
}
/**
* Handle mobile or referrer redirects
*/
if ($this->_mobile || $this->_referrer) {
$mobile_redirect = $this->_mobile->get_redirect();
$referrer_redirect = $this->_referrer->get_redirect();
$redirect = $mobile_redirect ? $mobile_redirect : $referrer_redirect;
if ($redirect) {
w3_redirect($redirect);
exit;
}
}
/**
* Do page cache logic
*/
if ($this->_debug) {
$this->_time_start = w3_microtime();
}
$this->_caching = $this->_can_cache();
if ($this->_caching && !$this->_enhanced_mode) {
$cache =& $this->_get_cache();
$mobile_group = $this->_get_mobile_group();
$referrer_group = $this->_get_referrer_group();
$encryption = $this->_get_encryption();
$compression = $this->_get_compression();
$raw = !$compression;
$this->_page_key = $this->_get_page_key($this->_request_uri, $mobile_group, $referrer_group, $encryption, $compression);
/**
* Check if page is cached
*/
$data = $cache->get($this->_page_key);
/**
* Try to get uncompressed version of cache
*/
if ($compression && !$data) {
$raw = true;
$this->_page_key = $this->_get_page_key($this->_request_uri, $mobile_group, $referrer_group, $encryption, false);
$data = $cache->get($this->_page_key);
}
/**
* If cache exists
*/
if ($data) {
/**
* Do Bad Behavior check
*/
$this->_bad_behavior();
if ($this->_enhanced_mode) {
$is_404 = false;
$headers = array();
$time = $cache->mtime($this->_page_key);
$content =& $data;
} else {
$is_404 = $data['404'];
$headers = $data['headers'];
$time = $data['time'];
$content =& $data['content'];
}
/**
* Calculate content etag
*/
$etag = md5($content);
/**
* Send headers
*/
$this->_send_headers($is_404, $time, $etag, $compression, $headers);
/**
* Do manual compression for uncompressed page
*/
if ($raw) {
/**
* Append debug info
*/
if ($this->_debug) {
$time_total = w3_microtime() - $this->_time_start;
$debug_info = $this->_get_debug_info(true, '', true, $time_total);
$content .= "\r\n\r\n" . $debug_info;
}
/**
* Parse dynamic tags
*/
$this->_parse_dynamic($content);
/**
* Compress content
*/
$this->_compress($content, $compression);
}
echo $content;
exit;
}
}
/**
* Start output buffering
*/
ob_start(array(&$this, 'ob_callback'));
}
}
