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Editing: upgrade.php
<?php /** * Multisite upgrade administration panel. * * @package WordPress * @subpackage Multisite * @since 3.0.0 */ /** Load WordPress Administration Bootstrap */ require_once __DIR__ . '/admin.php'; require_once ABSPATH . WPINC . '/http.php'; /** * @global int $wp_db_version WordPress database version. */ global $wp_db_version; // Used in the HTML title tag. $title = __( 'Upgrade Network' ); $parent_file = 'upgrade.php'; get_current_screen()->add_help_tab( array( 'id' => 'overview', 'title' => __( 'Overview' ), 'content' => '<p>' . __( 'Only use this screen once you have updated to a new version of WordPress through Updates/Available Updates (via the Network Administration navigation menu or the Toolbar). Clicking the Upgrade Network button will step through each site in the network, five at a time, and make sure any database updates are applied.' ) . '</p>' . '<p>' . __( 'If a version update to core has not happened, clicking this button will not affect anything.' ) . '</p>' . '<p>' . __( 'If this process fails for any reason, users logging in to their sites will force the same update.' ) . '</p>', ) ); get_current_screen()->set_help_sidebar( '<p><strong>' . __( 'For more information:' ) . '</strong></p>' . '<p>' . __( '<a href="https://developer.wordpress.org/advanced-administration/multisite/admin/#network-admin-updates-screen">Documentation on Upgrade Network</a>' ) . '</p>' . '<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>' ); require_once ABSPATH . 'wp-admin/admin-header.php'; if ( ! current_user_can( 'upgrade_network' ) ) { wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 ); } echo '<div class="wrap">'; echo '<h1>' . __( 'Upgrade Network' ) . '</h1>'; $action = $_GET['action'] ?? 'show'; switch ( $action ) { case 'upgrade': $n = ( isset( $_GET['n'] ) ) ? (int) $_GET['n'] : 0; if ( $n < 5 ) { update_site_option( 'wpmu_upgrade_site', $wp_db_version ); } $site_ids = get_sites( array( 'spam' => 0, 'deleted' => 0, 'archived' => 0, 'network_id' => get_current_network_id(), 'number' => 5, 'offset' => $n, 'fields' => 'ids', 'order' => 'DESC', 'orderby' => 'id', 'update_site_meta_cache' => false, ) ); if ( empty( $site_ids ) ) { echo '<p>' . __( 'All done!' ) . '</p>'; break; } echo '<ul>'; foreach ( (array) $site_ids as $site_id ) { switch_to_blog( $site_id ); $siteurl = site_url(); $upgrade_url = admin_url( 'upgrade.php?step=upgrade_db' ); restore_current_blog(); echo "<li>$siteurl</li>"; $response = wp_remote_get( $upgrade_url, array( 'timeout' => 120, 'httpversion' => '1.1', 'sslverify' => false, ) ); if ( is_wp_error( $response ) ) { wp_die( sprintf( /* translators: 1: Site URL, 2: Server error message. */ __( 'Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: %2$s' ), $siteurl, '<em>' . $response->get_error_message() . '</em>' ) ); } /** * Fires after the Multisite DB upgrade for each site is complete. * * @since MU (3.0.0) * * @param array $response The upgrade response array. */ do_action( 'after_mu_upgrade', $response ); /** * Fires after each site has been upgraded. * * @since MU (3.0.0) * * @param int $site_id The Site ID. */ do_action( 'wpmu_upgrade_site', $site_id ); } echo '</ul>'; ?><p><?php _e( 'If your browser does not start loading the next page automatically, click this link:' ); ?> <a class="button" href="upgrade.php?action=upgrade&n=<?php echo ( $n + 5 ); ?>"><?php _e( 'Next Sites' ); ?></a></p> <script> <!-- function nextpage() { location.href = "upgrade.php?action=upgrade&n=<?php echo ( $n + 5 ); ?>"; } setTimeout( "nextpage()", 250 ); //--> </script> <?php break; case 'show': default: if ( (int) get_site_option( 'wpmu_upgrade_site' ) !== $wp_db_version ) : ?> <h2><?php _e( 'Database Update Required' ); ?></h2> <p><?php _e( 'WordPress has been updated! Next and final step is to individually upgrade the sites in your network.' ); ?></p> <?php endif; ?> <p><?php _e( 'The database update process may take a little while, so please be patient.' ); ?></p> <p><a class="button button-primary" href="upgrade.php?action=upgrade"><?php _e( 'Upgrade Network' ); ?></a></p> <?php /** * Fires before the footer on the network upgrade screen. * * @since MU (3.0.0) */ do_action( 'wpmu_upgrade_page' ); break; } ?> </div> <?php require_once ABSPATH . 'wp-admin/admin-footer.php'; ?>
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