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   1  <?php
   2  /**
   3   * Multisite upgrade administration panel.
   4   *
   5   * @package WordPress
   6   * @subpackage Multisite
   7   * @since 3.0.0
   8   */
   9  
  10  require_once ('admin.php');
  11  
  12  if ( !is_multisite() )
  13      wp_die( __( 'Multisite support is not enabled.' ) );
  14  
  15  require_once( ABSPATH . WPINC . '/http.php' );
  16  
  17  $title = __( 'Update Network' );
  18  $parent_file = 'ms-admin.php';
  19  
  20  add_contextual_help($current_screen,
  21      '<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>' .
  22      '<p>' . __('If a version update to core has not happened, clicking this button won&#8217;t affect anything.') . '</p>' .
  23      '<p>' . __('If this process fails for any reason, users logging in to their sites will force the same update.') . '</p>' .
  24      '<p><strong>' . __('For more information:') . '</strong></p>' .
  25      '<p>' . __('<a href="http://codex.wordpress.org/Super_Admin_Update_SubPanel" target="_blank">Update Network Documentation</a>') . '</p>' .
  26      '<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
  27  );
  28  
  29  require_once ('admin-header.php');
  30  
  31  if ( ! current_user_can( 'manage_network' ) )
  32      wp_die( __( 'You do not have permission to access this page.' ) );
  33  
  34  echo '<div class="wrap">';
  35  screen_icon();
  36  echo '<h2>' . __( 'Update Network' ) . '</h2>';
  37  
  38  $action = isset($_GET['action']) ? $_GET['action'] : 'show';
  39  
  40  switch ( $action ) {
  41      case "upgrade":
  42          $n = ( isset($_GET['n']) ) ? intval($_GET['n']) : 0;
  43  
  44          if ( $n < 5 ) {
  45              global $wp_db_version;
  46              update_site_option( 'wpmu_upgrade_site', $wp_db_version );
  47          }
  48  
  49          $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 );
  50          if ( empty( $blogs ) ) {
  51              echo '<p>' . __( 'All done!' ) . '</p>';
  52              break;
  53          }
  54          echo "<ul>";
  55          foreach ( (array) $blogs as $details ) {
  56              $siteurl = get_blog_option( $details['blog_id'], 'siteurl' );
  57              echo "<li>$siteurl</li>";
  58              $response = wp_remote_get( trailingslashit( $siteurl ) . "wp-admin/upgrade.php?step=upgrade_db", array( 'timeout' => 120, 'httpversion' => '1.1' ) );
  59              if ( is_wp_error( $response ) )
  60                  wp_die( sprintf( __( 'Warning! Problem updating %1$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() ) );
  61              do_action( 'after_mu_upgrade', $response );
  62              do_action( 'wpmu_upgrade_site', $details[ 'blog_id' ] );
  63          }
  64          echo "</ul>";
  65          ?><p><?php _e( 'If your browser doesn&#8217;t start loading the next page automatically, click this link:' ); ?> <a class="button" href="ms-upgrade-network.php?action=upgrade&amp;n=<?php echo ($n + 5) ?>"><?php _e("Next Sites"); ?></a></p>
  66          <script type='text/javascript'>
  67          <!--
  68  		function nextpage() {
  69              location.href = "ms-upgrade-network.php?action=upgrade&n=<?php echo ($n + 5) ?>";
  70          }
  71          setTimeout( "nextpage()", 250 );
  72          //-->
  73          </script><?php
  74      break;
  75      case 'show':
  76      default:
  77          ?><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>
  78          <p><a class="button" href="ms-upgrade-network.php?action=upgrade"><?php _e("Update Network"); ?></a></p><?php
  79          do_action( 'wpmu_upgrade_page' );
  80      break;
  81  }
  82  ?>
  83  </div>
  84  
  85  <?php include ('./admin-footer.php'); ?>