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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  /** Load WordPress Administration Bootstrap */
  11  require_once ( './admin.php' );
  12  
  13  if ( ! is_multisite() )
  14      wp_die( __( 'Multisite support is not enabled.' ) );
  15  
  16  require_once( ABSPATH . WPINC . '/http.php' );
  17  
  18  $title = __( 'Update Network' );
  19  $parent_file = 'upgrade.php';
  20  
  21  get_current_screen()->add_help_tab( array(
  22      'id'      => 'overview',
  23      'title'   => __('Overview'),
  24      'content' =>
  25          '<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 Update Network button will step through each site in the network, five at a time, and make sure any database updates are applied.') . '</p>' .
  26          '<p>' . __('If a version update to core has not happened, clicking this button won&#8217;t affect anything.') . '</p>' .
  27          '<p>' . __('If this process fails for any reason, users logging in to their sites will force the same update.') . '</p>'
  28  ) );
  29  
  30  get_current_screen()->set_help_sidebar(
  31      '<p><strong>' . __('For more information:') . '</strong></p>' .
  32      '<p>' . __('<a href="http://codex.wordpress.org/Network_Admin_Updates_Screen" target="_blank">Documentation on Update Network</a>') . '</p>' .
  33      '<p>' . __('<a href="http://wordpress.org/support/" target="_blank">Support Forums</a>') . '</p>'
  34  );
  35  
  36  require_once ('../admin-header.php');
  37  
  38  if ( ! current_user_can( 'manage_network' ) )
  39      wp_die( __( 'You do not have permission to access this page.' ) );
  40  
  41  echo '<div class="wrap">';
  42  screen_icon('tools');
  43  echo '<h2>' . __( 'Update Network' ) . '</h2>';
  44  
  45  $action = isset($_GET['action']) ? $_GET['action'] : 'show';
  46  
  47  switch ( $action ) {
  48      case "upgrade":
  49          $n = ( isset($_GET['n']) ) ? intval($_GET['n']) : 0;
  50  
  51          if ( $n < 5 ) {
  52              global $wp_db_version;
  53              update_site_option( 'wpmu_upgrade_site', $wp_db_version );
  54          }
  55  
  56          $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 );
  57          if ( empty( $blogs ) ) {
  58              echo '<p>' . __( 'All done!' ) . '</p>';
  59              break;
  60          }
  61          echo "<ul>";
  62          foreach ( (array) $blogs as $details ) {
  63              $siteurl = get_blog_option( $details['blog_id'], 'siteurl' );
  64              echo "<li>$siteurl</li>";
  65              $response = wp_remote_get( trailingslashit( $siteurl ) . "wp-admin/upgrade.php?step=upgrade_db", array( 'timeout' => 120, 'httpversion' => '1.1' ) );
  66              if ( is_wp_error( $response ) )
  67                  wp_die( sprintf( __( 'Warning! Problem updating %1$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() ) );
  68              do_action( 'after_mu_upgrade', $response );
  69              do_action( 'wpmu_upgrade_site', $details[ 'blog_id' ] );
  70          }
  71          echo "</ul>";
  72          ?><p><?php _e( 'If your browser doesn&#8217;t start loading the next page automatically, click this link:' ); ?> <a class="button" href="upgrade.php?action=upgrade&amp;n=<?php echo ($n + 5) ?>"><?php _e("Next Sites"); ?></a></p>
  73          <script type='text/javascript'>
  74          <!--
  75  		function nextpage() {
  76              location.href = "upgrade.php?action=upgrade&n=<?php echo ($n + 5) ?>";
  77          }
  78          setTimeout( "nextpage()", 250 );
  79          //-->
  80          </script><?php
  81      break;
  82      case 'show':
  83      default:
  84          ?><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>
  85          <p><a class="button" href="upgrade.php?action=upgrade"><?php _e("Update Network"); ?></a></p><?php
  86          do_action( 'wpmu_upgrade_page' );
  87      break;
  88  }
  89  ?>
  90  </div>
  91  
  92  <?php include ('../admin-footer.php'); ?>