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 */
11require_once __DIR__ . '/admin.php';
12
13require_once ABSPATH . WPINC . '/http.php';
14
15/**
16 * @global int $wp_db_version WordPress database version.
17 */
18global $wp_db_version;
19
20// Used in the HTML title tag.
21$title = __( 'Upgrade Network' );
22$parent_file = 'upgrade.php';
23
24get_current_screen()->add_help_tab(
25 array(
26 'id' => 'overview',
27 'title' => __( 'Overview' ),
28 'content' =>
29 '<p>' . __( 'Only use this screen once you have updated to a new version of WordPress through Updates/Available Updates (via the Network Administration navigation menu or the Toolbar). Clicking the Upgrade Network button will step through each site in the network, five at a time, and make sure any database updates are applied.' ) . '</p>' .
30 '<p>' . __( 'If a version update to core has not happened, clicking this button will not affect anything.' ) . '</p>' .
31 '<p>' . __( 'If this process fails for any reason, users logging in to their sites will force the same update.' ) . '</p>',
32 )
33);
34
35get_current_screen()->set_help_sidebar(
36 '<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
37 '<p>' . __( '<a href="https://developer.wordpress.org/advanced-administration/multisite/admin/#network-admin-updates-screen">Documentation on Upgrade Network</a>' ) . '</p>' .
38 '<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>'
39);
40
41require_once ABSPATH . 'wp-admin/admin-header.php';
42
43if ( ! current_user_can( 'upgrade_network' ) ) {
44 wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
45}
46
47echo '<div class="wrap">';
48echo '<h1>' . __( 'Upgrade Network' ) . '</h1>';
49
50$action = isset( $_GET['action'] ) ? $_GET['action'] : 'show';
51
52switch ( $action ) {
53 case 'upgrade':
54 $n = ( isset( $_GET['n'] ) ) ? (int) $_GET['n'] : 0;
55
56 if ( $n < 5 ) {
57 update_site_option( 'wpmu_upgrade_site', $wp_db_version );
58 }
59
60 $site_ids = get_sites(
61 array(
62 'spam' => 0,
63 'deleted' => 0,
64 'archived' => 0,
65 'network_id' => get_current_network_id(),
66 'number' => 5,
67 'offset' => $n,
68 'fields' => 'ids',
69 'order' => 'DESC',
70 'orderby' => 'id',
71 'update_site_meta_cache' => false,
72 )
73 );
74 if ( empty( $site_ids ) ) {
75 echo '<p>' . __( 'All done!' ) . '</p>';
76 break;
77 }
78 echo '<ul>';
79 foreach ( (array) $site_ids as $site_id ) {
80 switch_to_blog( $site_id );
81 $siteurl = site_url();
82 $upgrade_url = admin_url( 'upgrade.php?step=upgrade_db' );
83 restore_current_blog();
84
85 echo "<li>$siteurl</li>";
86
87 $response = wp_remote_get(
88 $upgrade_url,
89 array(
90 'timeout' => 120,
91 'httpversion' => '1.1',
92 'sslverify' => false,
93 )
94 );
95
96 if ( is_wp_error( $response ) ) {
97 wp_die(
98 sprintf(
99 /* translators: 1: Site URL, 2: Server error message. */
100 __( 'Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: %2$s' ),
101 $siteurl,
102 '<em>' . $response->get_error_message() . '</em>'
103 )
104 );
105 }
106
107 /**
108 * Fires after the Multisite DB upgrade for each site is complete.
109 *
110 * @since MU (3.0.0)
111 *
112 * @param array $response The upgrade response array.
113 */
114 do_action( 'after_mu_upgrade', $response );
115
116 /**
117 * Fires after each site has been upgraded.
118 *
119 * @since MU (3.0.0)
120 *
121 * @param int $site_id The Site ID.
122 */
123 do_action( 'wpmu_upgrade_site', $site_id );
124 }
125 echo '</ul>';
126 ?><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>
127 <script type="text/javascript">
128 <!--
129 function nextpage() {
130 location.href = "upgrade.php?action=upgrade&n=<?php echo ( $n + 5 ); ?>";
131 }
132 setTimeout( "nextpage()", 250 );
133 //-->
134 </script>
135 <?php
136 break;
137 case 'show':
138 default:
139 if ( (int) get_site_option( 'wpmu_upgrade_site' ) !== $wp_db_version ) :
140 ?>
141 <h2><?php _e( 'Database Update Required' ); ?></h2>
142 <p><?php _e( 'WordPress has been updated! Next and final step is to individually upgrade the sites in your network.' ); ?></p>
143 <?php endif; ?>
144
145 <p><?php _e( 'The database update process may take a little while, so please be patient.' ); ?></p>
146 <p><a class="button button-primary" href="upgrade.php?action=upgrade"><?php _e( 'Upgrade Network' ); ?></a></p>
147 <?php
148 /**
149 * Fires before the footer on the network upgrade screen.
150 *
151 * @since MU (3.0.0)
152 */
153 do_action( 'wpmu_upgrade_page' );
154 break;
155}
156?>
157</div>
158
159<?php require_once ABSPATH . 'wp-admin/admin-footer.php'; ?>
160