Summery Summery
Executes network-level upgrade routines.
Syntax Syntax
Source Source
File: wp-admin/includes/upgrade.php
function upgrade_network() { global $wp_current_db_version, $wpdb; // Always clear expired transients. delete_expired_transients( true ); // 2.8.0 if ( $wp_current_db_version < 11549 ) { $wpmu_sitewide_plugins = get_site_option( 'wpmu_sitewide_plugins' ); $active_sitewide_plugins = get_site_option( 'active_sitewide_plugins' ); if ( $wpmu_sitewide_plugins ) { if ( ! $active_sitewide_plugins ) { $sitewide_plugins = (array) $wpmu_sitewide_plugins; } else { $sitewide_plugins = array_merge( (array) $active_sitewide_plugins, (array) $wpmu_sitewide_plugins ); } update_site_option( 'active_sitewide_plugins', $sitewide_plugins ); } delete_site_option( 'wpmu_sitewide_plugins' ); delete_site_option( 'deactivated_sitewide_plugins' ); $start = 0; while ( $rows = $wpdb->get_results( "SELECT meta_key, meta_value FROM {$wpdb->sitemeta} ORDER BY meta_id LIMIT $start, 20" ) ) { foreach ( $rows as $row ) { $value = $row->meta_value; if ( ! @unserialize( $value ) ) { $value = stripslashes( $value ); } if ( $value !== $row->meta_value ) { update_site_option( $row->meta_key, $value ); } } $start += 20; } } // 3.0.0 if ( $wp_current_db_version < 13576 ) { update_site_option( 'global_terms_enabled', '1' ); } // 3.3.0 if ( $wp_current_db_version < 19390 ) { update_site_option( 'initial_db_version', $wp_current_db_version ); } if ( $wp_current_db_version < 19470 ) { if ( false === get_site_option( 'active_sitewide_plugins' ) ) { update_site_option( 'active_sitewide_plugins', array() ); } } // 3.4.0 if ( $wp_current_db_version < 20148 ) { // 'allowedthemes' keys things by stylesheet. 'allowed_themes' keyed things by name. $allowedthemes = get_site_option( 'allowedthemes' ); $allowed_themes = get_site_option( 'allowed_themes' ); if ( false === $allowedthemes && is_array( $allowed_themes ) && $allowed_themes ) { $converted = array(); $themes = wp_get_themes(); foreach ( $themes as $stylesheet => $theme_data ) { if ( isset( $allowed_themes[ $theme_data->get( 'Name' ) ] ) ) { $converted[ $stylesheet ] = true; } } update_site_option( 'allowedthemes', $converted ); delete_site_option( 'allowed_themes' ); } } // 3.5.0 if ( $wp_current_db_version < 21823 ) { update_site_option( 'ms_files_rewriting', '1' ); } // 3.5.2 if ( $wp_current_db_version < 24448 ) { $illegal_names = get_site_option( 'illegal_names' ); if ( is_array( $illegal_names ) && count( $illegal_names ) === 1 ) { $illegal_name = reset( $illegal_names ); $illegal_names = explode( ' ', $illegal_name ); update_site_option( 'illegal_names', $illegal_names ); } } // 4.2.0 if ( $wp_current_db_version < 31351 && 'utf8mb4' === $wpdb->charset ) { if ( wp_should_upgrade_global_tables() ) { $wpdb->query( "ALTER TABLE $wpdb->usermeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" ); $wpdb->query( "ALTER TABLE $wpdb->site DROP INDEX domain, ADD INDEX domain(domain(140),path(51))" ); $wpdb->query( "ALTER TABLE $wpdb->sitemeta DROP INDEX meta_key, ADD INDEX meta_key(meta_key(191))" ); $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain_path, ADD INDEX domain_path(domain(140),path(51))" ); $tables = $wpdb->tables( 'global' ); // sitecategories may not exist. if ( ! $wpdb->get_var( "SHOW TABLES LIKE '{$tables['sitecategories']}'" ) ) { unset( $tables['sitecategories'] ); } foreach ( $tables as $table ) { maybe_convert_table_to_utf8mb4( $table ); } } } // 4.3.0 if ( $wp_current_db_version < 33055 && 'utf8mb4' === $wpdb->charset ) { if ( wp_should_upgrade_global_tables() ) { $upgrade = false; $indexes = $wpdb->get_results( "SHOW INDEXES FROM $wpdb->signups" ); foreach ( $indexes as $index ) { if ( 'domain_path' === $index->Key_name && 'domain' === $index->Column_name && 140 != $index->Sub_part ) { $upgrade = true; break; } } if ( $upgrade ) { $wpdb->query( "ALTER TABLE $wpdb->signups DROP INDEX domain_path, ADD INDEX domain_path(domain(140),path(51))" ); } $tables = $wpdb->tables( 'global' ); // sitecategories may not exist. if ( ! $wpdb->get_var( "SHOW TABLES LIKE '{$tables['sitecategories']}'" ) ) { unset( $tables['sitecategories'] ); } foreach ( $tables as $table ) { maybe_convert_table_to_utf8mb4( $table ); } } } // 5.1.0 if ( $wp_current_db_version < 44467 ) { $network_id = get_main_network_id(); delete_network_option( $network_id, 'site_meta_supported' ); is_site_meta_supported(); } }
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Changelog Changelog
Version | Description |
---|---|
3.0.0 | Introduced. |