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<?php
/**
* The admin optimize tool
*
*
* @since 1.2.1
* @package LiteSpeed
* @subpackage LiteSpeed/src
* @author LiteSpeed Technologies <info@litespeedtech.com>
*/
namespace LiteSpeed;
defined( 'WPINC' ) || exit;
class DB_Optm extends Root {
private static $_hide_more = false;
private static $TYPES = array( 'revision', 'auto_draft', 'trash_post', 'spam_comment', 'trash_comment', 'trackback-pingback', 'expired_transient', 'all_transients', 'optimize_tables' );
const TYPE_CONV_TB = 'conv_innodb';
/**
* Show if there are more sites in hidden
*
* @since 3.0
*/
public static function hide_more() {
return self::$_hide_more;
}
/**
* Clean/Optimize WP tables
*
* @since 1.2.1
* @access public
* @param string $type The type to clean
* @param bool $ignore_multisite If ignore multisite check
* @return int The rows that will be affected
*/
public function db_count( $type, $ignore_multisite = false ) {
if ( $type === 'all' ) {
$num = 0;
foreach ( self::$TYPES as $v ) {
$num += $this->db_count( $v );
}
return $num;
}
if ( ! $ignore_multisite ) {
if ( is_multisite() && is_network_admin() ) {
$num = 0;
$blogs = Activation::get_network_ids();
foreach ( $blogs as $k => $blog_id ) {
if ( $k > 3 ) {
self::$_hide_more = true;
break;
}
switch_to_blog( $blog_id );
$num += $this->db_count( $type, true );
restore_current_blog();
}
return $num;
}
}
global $wpdb;
switch ( $type ) {
case 'revision':
$rev_max = (int) $this->conf( Base::O_DB_OPTM_REVISIONS_MAX );
$rev_age = (int) $this->conf( Base::O_DB_OPTM_REVISIONS_AGE );
$sql_add = '';
if ( $rev_age ) {
$sql_add = " and post_modified < DATE_SUB( NOW(), INTERVAL $rev_age DAY ) ";
}
$sql = "SELECT COUNT(*) FROM `$wpdb->posts` WHERE post_type = 'revision' $sql_add";
if ( ! $rev_max ) {
return $wpdb->get_var( $sql );
}
// Has count limit
$sql = "SELECT COUNT(*)-$rev_max FROM `$wpdb->posts` WHERE post_type = 'revision' $sql_add GROUP BY post_parent HAVING count(*)>$rev_max";
$res = $wpdb->get_results( $sql, ARRAY_N );
Utility::compatibility();
return array_sum( array_column( $res, 0 ) );
case 'auto_draft':
return $wpdb->get_var( "SELECT COUNT(*) FROM `$wpdb->posts` WHERE post_status = 'auto-draft'" );
case 'trash_post':
return $wpdb->get_var( "SELECT COUNT(*) FROM `$wpdb->posts` WHERE post_status = 'trash'" );
case 'spam_comment':
return $wpdb->get_var( "SELECT COUNT(*) FROM `$wpdb->comments` WHERE comment_approved = 'spam'" );
case 'trash_comment':
return $wpdb->get_var( "SELECT COUNT(*) FROM `$wpdb->comments` WHERE comment_approved = 'trash'" );
case 'trackback-pingback':
return $wpdb->get_var( "SELECT COUNT(*) FROM `$wpdb->comments` WHERE comment_type = 'trackback' OR comment_type = 'pingback'" );
case 'expired_transient':
return $wpdb->get_var( "SELECT COUNT(*) FROM `$wpdb->options` WHERE option_name LIKE '_transient_timeout%' AND option_value < " . time() );
case 'all_transients':
return $wpdb->get_var( "SELECT COUNT(*) FROM `$wpdb->options` WHERE option_name LIKE '%_transient_%'" );
case 'optimize_tables':
return $wpdb->get_var( "SELECT COUNT(*) FROM information_schema.tables WHERE TABLE_SCHEMA = '" . DB_NAME . "' and ENGINE <> 'InnoDB' and DATA_FREE > 0" );
}
return '-';
}
/**
* Clean/Optimize WP tables
*
* @since 1.2.1
* @since 3.0 changed to private
* @access private
*/
private function _db_clean( $type ) {
if ( $type === 'all' ) {
foreach ( self::$TYPES as $v ) {
$this->_db_clean( $v );
}
return __( 'Clean all successfully.', 'litespeed-cache' );
}
global $wpdb;
switch ( $type ) {
case 'revision':
$rev_max = (int) $this->conf( Base::O_DB_OPTM_REVISIONS_MAX );
$rev_age = (int) $this->conf( Base::O_DB_OPTM_REVISIONS_AGE );
$sql_add = '';
if ( $rev_age ) {
$sql_add = " and post_modified < DATE_SUB( NOW(), INTERVAL $rev_age DAY ) ";
}
if ( ! $rev_max ) {
$sql = "DELETE FROM `$wpdb->posts` WHERE post_type = 'revision' $sql_add";
$wpdb->query( $sql );
}
else { // Has count limit
$sql = "SELECT COUNT(*)-$rev_max as del_max,post_parent FROM `$wpdb->posts` WHERE post_type = 'revision' $sql_add GROUP BY post_parent HAVING count(*)>$rev_max";
$res = $wpdb->get_results( $sql );
foreach ( $res as $v ) {
$sql = "DELETE FROM `$wpdb->posts` WHERE post_type = 'revision' AND post_parent = %d ORDER BY ID LIMIT %d";
$wpdb->query( $wpdb->prepare( $sql, array( $v->post_parent, $v->del_max ) ) );
}
}
return __( 'Clean post revisions successfully.', 'litespeed-cache' );
case 'auto_draft':
$wpdb->query( "DELETE FROM `$wpdb->posts` WHERE post_status = 'auto-draft'" );
return __( 'Clean auto drafts successfully.', 'litespeed-cache' );
case 'trash_post':
$wpdb->query( "DELETE FROM `$wpdb->posts` WHERE post_status = 'trash'" );
return __( 'Clean trashed posts and pages successfully.', 'litespeed-cache' );
case 'spam_comment':
$wpdb->query( "DELETE FROM `$wpdb->comments` WHERE comment_approved = 'spam'" );
return __( 'Clean spam comments successfully.', 'litespeed-cache' );
case 'trash_comment':
$wpdb->query( "DELETE FROM `$wpdb->comments` WHERE comment_approved = 'trash'" );
return __( 'Clean trashed comments successfully.', 'litespeed-cache' );
case 'trackback-pingback':
$wpdb->query( "DELETE FROM `$wpdb->comments` WHERE comment_type = 'trackback' OR comment_type = 'pingback'" );
return __( 'Clean trackbacks and pingbacks successfully.', 'litespeed-cache' );
case 'expired_transient':
$wpdb->query( "DELETE FROM `$wpdb->options` WHERE option_name LIKE '_transient_timeout%' AND option_value < " . time() );
return __( 'Clean expired transients successfully.', 'litespeed-cache' );
case 'all_transients':
$wpdb->query( "DELETE FROM `$wpdb->options` WHERE option_name LIKE '%\\_transient\\_%'" );
return __( 'Clean all transients successfully.', 'litespeed-cache' );
case 'optimize_tables':
$sql = "SELECT table_name, DATA_FREE FROM information_schema.tables WHERE TABLE_SCHEMA = '" . DB_NAME . "' and ENGINE <> 'InnoDB' and DATA_FREE > 0";
$result = $wpdb->get_results( $sql );
if ( $result ) {
foreach ( $result as $row ) {
$wpdb->query( 'OPTIMIZE TABLE ' . $row->table_name );
}
}
return __( 'Optimized all tables.', 'litespeed-cache' );
}
}
/**
* Get all myisam tables
*
* @since 3.0
* @access public
*/
public function list_myisam() {
global $wpdb;
$q = "SELECT * FROM information_schema.tables WHERE TABLE_SCHEMA = '" . DB_NAME . "' and ENGINE = 'myisam' AND TABLE_NAME LIKE '{$wpdb->prefix}%'";
return $wpdb->get_results( $q );
}
/**
* Convert tables to InnoDB
*
* @since 3.0
* @access private
*/
private function _conv_innodb() {
global $wpdb;
if ( empty( $_GET[ 'tb' ] ) ) {
Admin_Display::error( 'No table to convert' );
return;
}
$tb = false;
$list = $this->list_myisam();
foreach ( $list as $v ) {
if ( $v->TABLE_NAME == $_GET[ 'tb' ] ) {
$tb = $v->TABLE_NAME;
break;
}
}
if ( ! $tb ) {
Admin_Display::error( 'No existing table' );
return;
}
$q = 'ALTER TABLE ' . DB_NAME . '.' . $tb . ' ENGINE = InnoDB';
$wpdb->query( $q );
Debug2::debug( "[DB] Converted $tb to InnoDB" );
$msg = __( 'Converted to InnoDB successfully.', 'litespeed-cache' );
Admin_Display::succeed( $msg );
}
/**
* Count all autoload size
*
* @since 3.0
* @access public
*/
public function autoload_summary() {
global $wpdb;
$summary = $wpdb->get_row( "SELECT SUM(LENGTH(option_value)) AS autoload_size,COUNT(*) AS autload_entries FROM `$wpdb->options` WHERE autoload='yes'" );
$summary->autoload_toplist = $wpdb->get_results( "SELECT option_name, LENGTH(option_value) AS option_value_length FROM `$wpdb->options` WHERE autoload='yes' ORDER BY option_value_length DESC LIMIT 20" );
return $summary;
}
/**
* Handle all request actions from main cls
*
* @since 3.0
* @access public
*/
public function handler() {
$type = Router::verify_type();
switch ( $type ) {
case 'all':
case in_array( $type, self::$TYPES ):
if ( is_multisite() && is_network_admin() ) {
$blogs = Activation::get_network_ids();
foreach ( $blogs as $blog_id ) {
switch_to_blog( $blog_id );
$msg = $this->_db_clean( $type );
restore_current_blog();
}
}
else {
$msg = $this->_db_clean( $type );
}
Admin_Display::succeed( $msg );
break;
case self::TYPE_CONV_TB :
$this->_conv_innodb();
break;
default:
break;
}
Admin::redirect();
}
}