/**
* Flushes post cache
*
* @param integer $post_id
* @return boolean
*/
function flush_post($post_id = null)
{
if (!$post_id) {
$post_id = $this->_detect_post_id();
}
if ($post_id) {
$uris = array();
$domain_url = w3_get_domain_url();
$feeds = $this->_config->get_array('pgcache.purge.feed.types');
if ($this->_config->get_boolean('pgcache.purge.terms') || $this->_config->get_boolean('pgcache.purge.feed.terms')) {
$taxonomies = get_post_taxonomies($post_id);
$terms = wp_get_post_terms($post_id, $taxonomies);
}
switch (true) {
case $this->_config->get_boolean('pgcache.purge.author'):
case $this->_config->get_boolean('pgcache.purge.archive.daily'):
case $this->_config->get_boolean('pgcache.purge.archive.monthly'):
case $this->_config->get_boolean('pgcache.purge.archive.yearly'):
case $this->_config->get_boolean('pgcache.purge.feed.author'):
$post = get_post($post_id);
}
/**
* Home URL
*/
if ($this->_config->get_boolean('pgcache.purge.home')) {
$home_path = w3_get_home_path();
$site_path = w3_get_site_path();
$uris[] = $home_path;
if ($site_path != $home_path) {
$uris[] = $site_path;
}
}
/**
* Post URL
*/
if ($this->_config->get_boolean('pgcache.purge.post')) {
$post_link = post_permalink($post_id);
$post_uri = str_replace($domain_url, '', $post_link);
$uris[] = $post_uri;
}
/**
* Post comments URLs
*/
if ($this->_config->get_boolean('pgcache.purge.comments') && function_exists('get_comments_pagenum_link')) {
$comments_number = get_comments_number($post_id);
$comments_per_page = get_option('comments_per_page');
$comments_pages_number = @ceil($comments_number / $comments_per_page);
for ($pagenum = 1; $pagenum <= $comments_pages_number; $pagenum++) {
$comments_pagenum_link = $this->_get_comments_pagenum_link($post_id, $pagenum);
$comments_pagenum_uri = str_replace($domain_url, '', $comments_pagenum_link);
$uris[] = $comments_pagenum_uri;
}
}
/**
* Post author URLs
*/
if ($this->_config->get_boolean('pgcache.purge.author') && $post) {
$posts_number = count_user_posts($post->post_author);
$posts_per_page = get_option('posts_per_page');
$posts_pages_number = @ceil($posts_number / $posts_per_page);
$author_link = get_author_link(false, $post->post_author);
$author_uri = str_replace($domain_url, '', $author_link);
for ($pagenum = 1; $pagenum <= $posts_pages_number; $pagenum++) {
$author_pagenum_link = $this->_get_pagenum_link($author_uri, $pagenum);
$author_pagenum_uri = str_replace($domain_url, '', $author_pagenum_link);
$uris[] = $author_pagenum_uri;
}
}
/**
* Post terms URLs
*/
if ($this->_config->get_boolean('pgcache.purge.terms')) {
$posts_per_page = get_option('posts_per_page');
foreach ($terms as $term) {
$term_link = get_term_link($term, $term->taxonomy);
$term_uri = str_replace($domain_url, '', $term_link);
$posts_pages_number = @ceil($term->count / $posts_per_page);
for ($pagenum = 1; $pagenum <= $posts_pages_number; $pagenum++) {
$term_pagenum_link = $this->_get_pagenum_link($term_uri, $pagenum);
$term_pagenum_uri = str_replace($domain_url, '', $term_pagenum_link);
$uris[] = $term_pagenum_uri;
}
}
}
/**
* Daily archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.daily') && $post) {
$post_date = strtotime($post->post_date);
$post_year = gmdate('Y', $post_date);
$post_month = gmdate('m', $post_date);
$post_day = gmdate('d', $post_date);
$posts_per_page = get_option('posts_per_page');
$posts_number = $this->_get_archive_posts_count($post_year, $post_month, $post_day);
$posts_pages_number = @ceil($posts_number / $posts_per_page);
$day_link = get_day_link($post_year, $post_month, $post_day);
$day_uri = str_replace($domain_url, '', $day_link);
for ($pagenum = 1; $pagenum <= $posts_pages_number; $pagenum++) {
$day_pagenum_link = $this->_get_pagenum_link($day_uri, $pagenum);
$day_pagenum_uri = str_replace($domain_url, '', $day_pagenum_link);
$uris[] = $day_pagenum_uri;
}
}
/**
* Monthly archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.monthly') && $post) {
$post_date = strtotime($post->post_date);
$post_year = gmdate('Y', $post_date);
$post_month = gmdate('m', $post_date);
$posts_per_page = get_option('posts_per_page');
$posts_number = $this->_get_archive_posts_count($post_year, $post_month);
$posts_pages_number = @ceil($posts_number / $posts_per_page);
$month_link = get_month_link($post_year, $post_month);
$month_uri = str_replace($domain_url, '', $month_link);
for ($pagenum = 1; $pagenum <= $posts_pages_number; $pagenum++) {
$month_pagenum_link = $this->_get_pagenum_link($month_uri, $pagenum);
$month_pagenum_uri = str_replace($domain_url, '', $month_pagenum_link);
$uris[] = $month_pagenum_uri;
}
}
/**
* Yearly archive URLs
*/
if ($this->_config->get_boolean('pgcache.purge.archive.yearly') && $post) {
$post_date = strtotime($post->post_date);
$post_year = gmdate('Y', $post_date);
$posts_per_page = get_option('posts_per_page');
$posts_number = $this->_get_archive_posts_count($post_year);
$posts_pages_number = @ceil($posts_number / $posts_per_page);
$year_link = get_year_link($post_year);
$year_uri = str_replace($domain_url, '', $year_link);
for ($pagenum = 1; $pagenum <= $posts_pages_number; $pagenum++) {
$year_pagenum_link = $this->_get_pagenum_link($year_uri, $pagenum);
$year_pagenum_uri = str_replace($domain_url, '', $year_pagenum_link);
$uris[] = $year_pagenum_uri;
}
}
/**
* Feed URLs
*/
if ($this->_config->get_boolean('pgcache.purge.feed.blog')) {
foreach ($feeds as $feed) {
$feed_link = get_feed_link($feed);
$feed_uri = str_replace($domain_url, '', $feed_link);
$uris[] = $feed_uri;
}
}
if ($this->_config->get_boolean('pgcache.purge.feed.comments')) {
foreach ($feeds as $feed) {
$post_comments_feed_link = get_post_comments_feed_link($post_id, $feed);
$post_comments_feed_uri = str_replace($domain_url, '', $post_comments_feed_link);
$uris[] = $post_comments_feed_uri;
}
}
if ($this->_config->get_boolean('pgcache.purge.feed.author') && $post) {
foreach ($feeds as $feed) {
$author_feed_link = get_author_feed_link($post->post_author, $feed);
$author_feed_uri = str_replace($domain_url, '', $author_feed_link);
$uris[] = $author_feed_uri;
}
}
if ($this->_config->get_boolean('pgcache.purge.feed.terms')) {
foreach ($terms as $term) {
foreach ($feeds as $feed) {
$term_feed_link = get_term_feed_link($term->term_id, $term->taxonomy, $feed);
$term_feed_uri = str_replace($domain_url, '', $term_feed_link);
$uris[] = $term_feed_uri;
}
}
}
/**
* Flush cache
*/
if (count($uris)) {
$cache =& $this->_get_cache();
$mobile_groups = $this->_get_mobile_groups();
$referrer_groups = $this->_get_referrer_groups();
$encryptions = $this->_get_encryptions();
$compressions = $this->_get_compressions();
foreach ($uris as $uri) {
foreach ($mobile_groups as $mobile_group) {
foreach ($referrer_groups as $referrer_group) {
foreach ($encryptions as $encryption) {
foreach ($compressions as $compression) {
$page_key = $this->_get_page_key($uri, $mobile_group, $referrer_group, $encryption, $compression);
$cache->delete($page_key);
}
}
}
}
}
/**
* Purge varnish servers
*/
if ($this->_config->get_boolean('varnish.enabled')) {
require_once W3TC_LIB_W3_DIR . '/Varnish.php';
$varnish =& W3_Varnish::instance();
foreach ($uris as $uri) {
$varnish->purge($uri);
}
}
}
return true;
}
return false;
}
/**
* Purges files from CDN
*
* @param array $files
* @param boolean $queue_failed
* @param array $results
* @return boolean
*/
function purge($files, $queue_failed, &$results)
{
/**
* Purge varnish servers before mirror purging
*/
if (w3_is_cdn_mirror($this->_config->get_string('cdn_engine')) && $this->_config->get_boolean('varnish.enabled')) {
require_once W3TC_LIB_W3_DIR . '/Varnish.php';
$varnish =& W3_Varnish::instance();
foreach ($files as $remote_path) {
$varnish->purge($remote_path);
}
}
/**
* Purge CDN
*/
$cdn =& $this->get_cdn();
@set_time_limit($this->_config->get_integer('timelimit.cdn_purge'));
$return = $cdn->purge($files, $results);
if (!$return && $queue_failed) {
foreach ($results as $result) {
if ($result['result'] != W3TC_CDN_RESULT_OK) {
$this->queue_add($result['local_path'], $result['remote_path'], W3TC_CDN_COMMAND_PURGE, $result['error']);
}
}
}
return $return;
}