<?php
/**
* Multisite upgrade administration panel.
*
* @package WordPress
* @subpackage Multisite
* @since 3.0.0
*/
/** Load WordPress Administration Bootstrap */
require_once __DIR__ . '/admin.php';
require_once ABSPATH . WPINC . '/http.php';
// Used in the HTML title tag.
$title = __( 'Upgrade Network' );
$parent_file = 'upgrade.php';
get_current_screen()->add_help_tab(
array(
'id' => 'overview',
'title' => __( 'Overview' ),
'content' =>
'<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>' .
'<p>' . __( 'If a version update to core has not happened, clicking this button will not affect anything.' ) . '</p>' .
'<p>' . __( 'If this process fails for any reason, users logging in to their sites will force the same update.' ) . '</p>',
)
);
get_current_screen()->set_help_sidebar(
'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
'<p>' . __( '<a href="https://developer.wordpress.org/advanced-administration/multisite/admin/#network-admin-updates-screen">Documentation on Upgrade Network</a>' ) . '</p>' .
'<p>' . __( '<a href="https://wordpress.org/support/forums/">Support forums</a>' ) . '</p>'
);
require_once ABSPATH . 'wp-admin/admin-header.php';
if ( ! current_user_can( 'upgrade_network' ) ) {
wp_die( __( 'Sorry, you are not allowed to access this page.' ), 403 );
}
echo '<div class="wrap">';
echo '<h1>' . __( 'Upgrade Network' ) . '</h1>';
$action = isset( $_GET['action'] ) ? $_GET['action'] : 'show';
switch ( $action ) {
case 'upgrade':
$n = ( isset( $_GET['n'] ) ) ? (int) $_GET['n'] : 0;
if ( $n < 5 ) {
/**
* @global int $wp_db_version WordPress database version.
*/
global $wp_db_version;
update_site_option( 'wpmu_upgrade_site', $wp_db_version );
}
$site_ids = get_sites(
array(
'spam' => 0,
'deleted' => 0,
'archived' => 0,
'network_id' => get_current_network_id(),
'number' => 5,
'offset' => $n,
'fields' => 'ids',
'order' => 'DESC',
'orderby' => 'id',
'update_site_meta_cache' => false,
)
);
if ( empty( $site_ids ) ) {
echo '<p>' . __( 'All done!' ) . '</p>';
break;
}
echo '<ul>';
foreach ( (array) $site_ids as $site_id ) {
switch_to_blog( $site_id );
$siteurl = site_url();
$upgrade_url = admin_url( 'upgrade.php?step=upgrade_db' );
restore_current_blog();
echo "<li>$siteurl</li>";
$response = wp_remote_get(
$upgrade_url,
array(
'timeout' => 120,
'httpversion' => '1.1',
'sslverify' => false,
)
);
if ( is_wp_error( $response ) ) {
wp_die(
sprintf(
/* translators: 1: Site URL, 2: Server error message. */
__( 'Warning! Problem updating %1$s. Your server may not be able to connect to sites running on it. Error message: %2$s' ),
$siteurl,
'<em>' . $response->get_error_message() . '</em>'
)
);
}
/**
* Fires after the Multisite DB upgrade for each site is complete.
*
* @since MU (3.0.0)
*
* @param array $response The upgrade response array.
*/
do_action( 'after_mu_upgrade', $response );
/**
* Fires after each site has been upgraded.
*
* @since MU (3.0.0)
*
* @param int $site_id The Site ID.
*/
do_action( 'wpmu_upgrade_site', $site_id );
}
echo '</ul>';
?><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>
<script type="text/javascript">
<!--
function nextpage() {
location.href = "upgrade.php?action=upgrade&n=<?php echo ( $n + 5 ); ?>";
}
setTimeout( "nextpage()", 250 );
//-->
</script>
<?php
break;
case 'show':
default:
if ( (int) get_site_option( 'wpmu_upgrade_site' ) !== $GLOBALS['wp_db_version'] ) :
?>
<h2><?php _e( 'Database Update Required' ); ?></h2>
<p><?php _e( 'WordPress has been updated! Next and final step is to individually upgrade the sites in your network.' ); ?></p>
<?php endif; ?>
<p><?php _e( 'The database update process may take a little while, so please be patient.' ); ?></p>
<p><a class="button button-primary" href="upgrade.php?action=upgrade"><?php _e( 'Upgrade Network' ); ?></a></p>
<?php
/**
* Fires before the footer on the network upgrade screen.
*
* @since MU (3.0.0)
*/
do_action( 'wpmu_upgrade_page' );
break;
}
?>
</div>
<?php require_once ABSPATH . 'wp-admin/admin-footer.php'; ?>
في جولة حصرية داخل “الغرفة الزرقاء” بقناة BBC العربية، نكشف كواليس واحدة من أكثر غرف الأخبار تطورًا في العالم.
كيف الذكاء اصطناعي يتحكم بالبث دون تدخل بشري، لتقدم تجربة بصرية مذهلة.
الفيديو يستعرض كيف تمزج BBC بين التقنية والاحتراف لتصنع نشرات إخبارية من قلب المستقبل.