Viewing file:  PgCache.php (8.07 KB) -rw-rw-rw-
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<?php
/**
* W3 PgCache plugin
*/
if (!defined('W3TC')) {
die();
}
w3_require_once(W3TC_LIB_W3_DIR . '/Plugin.php');
/**
* Class W3_Plugin_PgCache
*/
class W3_Plugin_PgCache extends W3_Plugin {
/**
* Runs plugin
*/
function run() {
add_filter('cron_schedules', array(
&$this,
'cron_schedules'
));
if ($this->_config->get_string('pgcache.engine') == 'file' ||
$this->_config->get_string('pgcache.engine') == 'file_generic') {
add_action('w3_pgcache_cleanup', array(
&$this,
'cleanup'
));
}
add_action('w3_pgcache_prime', array(
&$this,
'prime'
));
add_action('publish_phone', array(
&$this,
'on_post_edit'
), 0);
add_action('wp_trash_post', array(
&$this,
'on_post_change'
), 0);
add_action('save_post', array(
&$this,
'on_post_change'
), 0);
global $wp_version;
if (version_compare($wp_version,'3.5', '>=')) {
add_action('clean_post_cache', array(
&$this,
'on_post_change'
), 0, 2);
}
add_action('comment_post', array(
&$this,
'on_comment_change'
), 0);
add_action('edit_comment', array(
&$this,
'on_comment_change'
), 0);
add_action('delete_comment', array(
&$this,
'on_comment_change'
), 0);
add_action('wp_set_comment_status', array(
&$this,
'on_comment_status'
), 0, 2);
add_action('trackback_post', array(
&$this,
'on_comment_change'
), 0);
add_action('pingback_post', array(
&$this,
'on_comment_change'
), 0);
add_action('switch_theme', array(
&$this,
'on_change'
), 0);
add_action('wp_update_nav_menu', array(
&$this,
'on_change'
), 0);
add_action('edit_user_profile_update', array(
&$this,
'on_change'
), 0);
add_filter('comment_cookie_lifetime', array(
&$this,
'comment_cookie_lifetime'
));
add_action('w3tc_purge_from_pgcache', array(
&$this,
'on_post_change'
), 0);
if (w3_is_multisite()) {
add_action('delete_blog', array(
&$this,
'on_change'
), 0);
}
add_action('delete_post', array(
&$this,
'on_post_edit'
), 0);
if ($this->_config->get_string('pgcache.engine') == 'file_generic') {
add_action('wp_logout', array (
&$this,
'on_logout'
), 0);
add_action('wp_login', array (
&$this,
'on_login'
), 0);
}
add_filter('wp_redirect', array(
&$this,
'on_redirect_cleanup'
), 0, 1);
add_action('sns_actions_executed', array(
&$this,
'flush_post_cleanup'
), 0);
if ($this->_config->get_boolean('pgcache.prime.post.enabled', false)) {
add_action('publish_post', array(
&$this,
'prime_post'
), 30);
}
if ($this->_config->get_boolean('pgcache.late_init') && !is_admin()) {
add_action('init', array($this,'delayed_cache_print'), 99999);
}
}
/**
* Does disk cache cleanup
*
* @return void
*/
function cleanup() {
$this->_get_admin()->cleanup();
}
/**
* Prime cache
*
* @param integer $start
* @return void
*/
function prime($start = 0) {
$this->_get_admin()->prime($start);
}
/**
* Instantiates worker on demand
*
* @return W3_Plugin_PgCacheAdmin
*/
private function _get_admin() {
return w3_instance('W3_Plugin_PgCacheAdmin');
}
/**
* Cron schedules filter
*
* @param array $schedules
* @return array
*/
function cron_schedules($schedules) {
$gc_interval = $this->_config->get_integer('pgcache.file.gc');
$prime_interval = $this->_config->get_integer('pgcache.prime.interval');
return array_merge($schedules, array(
'w3_pgcache_cleanup' => array(
'interval' => $gc_interval,
'display' => sprintf('[W3TC] Page Cache file GC (every %d seconds)', $gc_interval)
),
'w3_pgcache_prime' => array(
'interval' => $prime_interval,
'display' => sprintf('[W3TC] Page Cache prime (every %d seconds)', $prime_interval)
)
));
}
/**
* Post edit action
*
* @param integer $post_id
*/
function on_post_edit($post_id) {
if ($this->_config->get_boolean('pgcache.cache.flush')) {
$this->on_change();
} else {
$this->on_post_change($post_id);
}
}
/**
* Post change action
*
* @param integer $post_id
* @param null $post
* @return void
*/
function on_post_change($post_id, $post = null) {
static $flushed_posts = array();
if (!in_array($post_id, $flushed_posts)) {
if (is_null($post))
$post = $post_id;
if (!w3_is_flushable_post($post, 'pgcache', $this->_config)) {
return;
}
$w3_cacheflush = w3_instance('W3_CacheFlush');
$w3_cacheflush->pgcache_flush_post($post_id);
$flushed_posts[] = $post_id;
}
}
/**
*
* @param integer $lifetime
* @return integer
*/
function comment_cookie_lifetime($lifetime) {
$l = $this->_config->get_integer('pgcache.comment_cookie_ttl');
if ($l != -1)
return $l;
else
return $lifetime;
}
/**
* Comment change action
*
* @param integer $comment_id
*/
function on_comment_change($comment_id) {
$post_id = 0;
if ($comment_id) {
$comment = get_comment($comment_id, ARRAY_A);
$post_id = !empty($comment['comment_post_ID']) ? (int) $comment['comment_post_ID'] : 0;
}
$this->on_post_change($post_id);
}
/**
* Comment status action
*
* @param integer $comment_id
* @param string $status
*/
function on_comment_status($comment_id, $status) {
if ($status === 'approve' || $status === '1') {
$this->on_comment_change($comment_id);
}
}
/**
* Change action
*/
function on_change() {
static $flushed = false;
if (!$flushed) {
$w3_pgcache = w3_instance('W3_CacheFlush');
$w3_pgcache->pgcache_flush();
}
}
/**
* Add cookie on logout to circumvent pagecache due to browser cache resulting in 304s
*/
function on_logout() {
setcookie('w3tc_logged_out');
}
/**
* Remove logout cookie on logins
*/
function on_login() {
if (isset($_COOKIE['w3tc_logged_out']))
setcookie('w3tc_logged_out', '', 1);
}
/**
* @param $location
* @return mixed
*/
function on_redirect_cleanup($location) {
$this->flush_post_cleanup();
return $location;
}
/**
* Runs after multiple post edits
*/
function flush_post_cleanup() {
$w3_pgcache = w3_instance('W3_PgCacheFlush');
$w3_pgcache->flush_post_cleanup();
}
/**
* @param $post_id
* @return boolean
*/
function prime_post($post_id) {
$w3_pgcache = w3_instance('W3_CacheFlush');
return $w3_pgcache->prime_post($post_id);
}
public function delayed_cache_print() {
$w3_pgcache = w3_instance('W3_PgCache');
$w3_pgcache->delayed_cache_print();
}
}
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