Viewing file:  DbCache.php (4.51 KB) -rw-rw-rw-
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<?php
/**
* W3 DbCache plugin
*/
if (!defined('W3TC')) {
die();
}
w3_require_once(W3TC_LIB_W3_DIR . '/Plugin.php');
/**
* Class W3_Plugin_DbCache
*/
class W3_Plugin_DbCache extends W3_Plugin {
/**
* Runs plugin
*/
function run() {
add_filter('cron_schedules', array(
&$this,
'cron_schedules'
));
if ($this->_config->get_string('dbcache.engine') == 'file') {
add_action('w3_dbcache_cleanup', array(
&$this,
'cleanup'
));
}
add_action('publish_phone', array(
&$this,
'on_change'
), 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('edit_user_profile_update', array(
&$this,
'on_change'
), 0);
if (w3_is_multisite()) {
add_action('delete_blog', array(
&$this,
'on_change'
), 0);
}
add_action('delete_post', array(
&$this,
'on_post_change'
), 0);
}
/**
* Does disk cache cleanup
*
* @return void
*/
function cleanup() {
w3_require_once(W3TC_LIB_W3_DIR . '/Cache/File/Cleaner.php');
$w3_cache_file_cleaner = new W3_Cache_File_Cleaner(array(
'cache_dir' => w3_cache_blog_dir('db'),
'clean_timelimit' => $this->_config->get_integer('timelimit.cache_gc')
));
$w3_cache_file_cleaner->clean();
}
/**
* Cron schedules filter
*
* @param array $schedules
* @return array
*/
function cron_schedules($schedules) {
$gc = $this->_config->get_integer('dbcache.file.gc');
return array_merge($schedules, array(
'w3_dbcache_cleanup' => array(
'interval' => $gc,
'display' => sprintf('[W3TC] Database Cache file GC (every %d seconds)', $gc)
)
));
}
/**
* Change action
*/
function on_change() {
static $flushed = false;
if (!$flushed) {
$flusher = w3_instance('W3_CacheFlush');
$flusher->dbcache_flush();
$flushed = true;
}
}
/**
* Change post action
*/
function on_post_change($post_id = 0, $post = null) {
static $flushed = false;
if (!$flushed) {
if (is_null($post))
$post = $post_id;
if ($post_id>0 && !w3_is_flushable_post($post, 'dbcache', $this->_config)) {
return;
}
$flusher = w3_instance('W3_CacheFlush');
$flusher->dbcache_flush();
$flushed = true;
}
}
/**
* 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);
}
}
}
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