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'); ?>