-if ( !is_multisite() )
- wp_die( __( 'Multisite support is not enabled.' ) );
-
-require_once( ABSPATH . WPINC . '/http.php' );
-
-$title = __( 'Update Network' );
-$parent_file = 'ms-admin.php';
-
-add_contextual_help($current_screen,
- '<p>' . __('Only use this screen once you have updated to a new version of WordPress through Dashboard > Updates. Clicking the Update Network button will step through each site in the network, five at a time, and make sure any database upgrades are applied.') . '</p>' .
- '<p>' . __('If a version update to core has not happened, clicking this button won’t affect anything.') . '</p>' .
- '<p>' . __('If this process fails for any reason, users logging in to their sites will force the same update.') . '</p>' .
- '<p><strong>' . __('For more information:') . '</strong></p>' .
- '<p>' . __('<a href="http://codex.wordpress.org/Super_Admin_Update_SubPanel" target="_blank">Update Network Documentation</a>') . '</p>' .
- '<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
-);
-
-require_once('admin-header.php');
-
-if ( ! current_user_can( 'manage_network' ) )
- wp_die( __( 'You do not have permission to access this page.' ) );
-
-echo '<div class="wrap">';
-screen_icon();
-echo '<h2>' . __( 'Update Network' ) . '</h2>';
-
-$action = isset($_GET['action']) ? $_GET['action'] : 'show';
-
-switch ( $action ) {
- case "upgrade":
- $n = ( isset($_GET['n']) ) ? intval($_GET['n']) : 0;
-
- if ( $n < 5 ) {
- global $wp_db_version;
- update_site_option( 'wpmu_upgrade_site', $wp_db_version );
- }
-
- $blogs = $wpdb->get_results( "SELECT * FROM {$wpdb->blogs} WHERE site_id = '{$wpdb->siteid}' AND spam = '0' AND deleted = '0' AND archived = '0' ORDER BY registered DESC LIMIT {$n}, 5", ARRAY_A );
- if ( empty( $blogs ) ) {
- echo '<p>' . __( 'All done!' ) . '</p>';
- break;
- }
- echo "<ul>";
- foreach ( (array) $blogs as $details ) {
- $siteurl = get_blog_option( $details['blog_id'], 'siteurl' );
- echo "<li>$siteurl</li>";
- $response = wp_remote_get( trailingslashit( $siteurl ) . "wp-admin/upgrade.php?step=upgrade_db", array( 'timeout' => 120, 'httpversion' => '1.1' ) );
- if ( is_wp_error( $response ) )
- wp_die( sprintf( __( 'Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: <em>%2$s</em>' ), $siteurl, $response->get_error_message() ) );
- do_action( 'after_mu_upgrade', $response );
- do_action( 'wpmu_upgrade_site', $details[ 'blog_id' ] );
- }
- echo "</ul>";
- ?><p><?php _e( 'If your browser doesn’t start loading the next page automatically, click this link:' ); ?> <a class="button" href="ms-upgrade-network.php?action=upgrade&n=<?php echo ($n + 5) ?>"><?php _e("Next Sites"); ?></a></p>
- <script type='text/javascript'>
- <!--
- function nextpage() {
- location.href = "ms-upgrade-network.php?action=upgrade&n=<?php echo ($n + 5) ?>";
- }
- setTimeout( "nextpage()", 250 );
- //-->
- </script><?php
- break;
- case 'show':
- default:
- ?><p><?php _e( 'You can update all the sites on your network through this page. It works by calling the update script of each site automatically. Hit the link below to update.' ); ?></p>
- <p><a class="button" href="ms-upgrade-network.php?action=upgrade"><?php _e("Update Network"); ?></a></p><?php
- do_action( 'wpmu_upgrade_page' );
- break;
-}
-?>
-</div>
-
-<?php include('./admin-footer.php'); ?>