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<?php
namespace W3TC;
class DbCache_Plugin_Admin {
function run() {
add_filter( 'w3tc_save_options', array( $this, 'w3tc_save_options' ) );
$config_labels = new DbCache_ConfigLabels();
add_filter( 'w3tc_config_labels', array( $config_labels, 'config_labels' ) );
$c = Dispatcher::config();
if ( $c->get_boolean( 'dbcache.enabled' ) ) {
add_filter( 'w3tc_usage_statistics_summary_from_history', array(
$this, 'w3tc_usage_statistics_summary_from_history' ), 10, 2 );
add_filter( 'w3tc_errors', array( $this, 'w3tc_errors' ) );
}
}
public function w3tc_usage_statistics_summary_from_history( $summary, $history ) {
// counters
$dbcache_calls_total = Util_UsageStatistics::sum( $history,
'dbcache_calls_total' );
$dbcache_calls_hits = Util_UsageStatistics::sum( $history,
'dbcache_calls_hits' );
$dbcache_flushes = Util_UsageStatistics::sum( $history,
'dbcache_flushes' );
$dbcache_time_ms = Util_UsageStatistics::sum( $history,
'dbcache_time_ms' );
$c = Dispatcher::config();
$e = $c->get_string( 'dbcache.engine' );
$summary['dbcache'] = array(
'calls_total' => Util_UsageStatistics::integer(
$dbcache_calls_total ),
'calls_per_second' => Util_UsageStatistics::value_per_period_seconds(
$dbcache_calls_total, $summary ),
'flushes' => Util_UsageStatistics::integer( $dbcache_flushes ),
'time_ms' => Util_UsageStatistics::integer( $dbcache_time_ms ),
'hit_rate' => Util_UsageStatistics::percent(
$dbcache_calls_hits, $dbcache_calls_total ),
'engine_name' => Cache::engine_name( $e )
);
return $summary;
}
public function w3tc_errors( $errors ) {
$c = Dispatcher::config();
if ( $c->get_string( 'dbcache.engine' ) == 'memcached' ) {
$memcached_servers = $c->get_array( 'dbcache.memcached.servers' );
$memcached_binary_protocol = $c->get_boolean( 'dbcache.memcached.binary_protocol' );
$memcached_username = $c->get_string( 'dbcache.memcached.username' );
$memcached_password = $c->get_string( 'dbcache.memcached.password' );
if ( !Util_Installed::is_memcache_available( $memcached_servers, $memcached_binary_protocol, $memcached_username, $memcached_password ) ) {
if ( !isset( $errors['memcache_not_responding.details'] ) )
$errors['memcache_not_responding.details'] = array();
$errors['memcache_not_responding.details'][] = sprintf(
__( 'Database Cache: %s.', 'w3-total-cache' ),
implode( ', ', $memcached_servers ) );
}
}
return $errors;
}
public function w3tc_save_options( $data ) {
$new_config = $data['new_config'];
$old_config = $data['old_config'];
// Schedule purge if enabled.
if ( $new_config->get_boolean( 'dbcache.enabled' ) && $new_config->get_boolean( 'dbcache.wp_cron' ) ) {
$new_wp_cron_time = $new_config->get_integer( 'dbcache.wp_cron_time' );
$old_wp_cron_time = $old_config ? $old_config->get_integer( 'dbcache.wp_cron_time' ) : -1;
$new_wp_cron_interval = $new_config->get_string( 'dbcache.wp_cron_interval' );
$old_wp_cron_interval = $old_config ? $old_config->get_string( 'dbcache.wp_cron_interval' ) : -1;
$schedule_needs_update = $new_wp_cron_time !== $old_wp_cron_time || $new_wp_cron_interval !== $old_wp_cron_interval;
// Clear the scheduled hook if a change in time or interval is detected.
if ( wp_next_scheduled( 'w3tc_dbcache_purge_wpcron' ) && $schedule_needs_update ) {
wp_clear_scheduled_hook( 'w3tc_dbcache_purge_wpcron' );
}
// Schedule if no existing cron event or settings have changed.
if ( ! wp_next_scheduled( 'w3tc_dbcache_purge_wpcron' ) || $schedule_needs_update ) {
$scheduled_timestamp_server = Util_Environment::get_cron_schedule_time( $new_wp_cron_time );
wp_schedule_event( $scheduled_timestamp_server, $new_wp_cron_interval, 'w3tc_dbcache_purge_wpcron' );
}
} elseif ( wp_next_scheduled( 'w3tc_dbcache_purge_wpcron' ) ) {
wp_clear_scheduled_hook( 'w3tc_dbcache_purge_wpcron' );
}
return $data;
}
}