/home/techb158/public_html/wp-admin/network/

/home/techb158/public_html/wp-admin/network

Name	Size	Mode	Actions
about.php	245	0666	edit dl rm
admin.php	1024	0666	edit dl rm
contribute.php	255	0666	edit dl rm
credits.php	249	0666	edit dl rm
edit.php	878	0666	edit dl rm
freedoms.php	251	0666	edit dl rm
index.php	1088	0444	edit dl rm
kwa.txt	1	0644	edit dl rm
menu.php	4791	0666	edit dl rm
plugin-editor.php	266	0666	edit dl rm
plugin-install.php	377	0666	edit dl rm
plugins.php	249	0666	edit dl rm
privacy.php	249	0666	edit dl rm
profile.php	254	0666	edit dl rm
settings.php	22286	0666	edit dl rm
setup.php	247	0666	edit dl rm
site-info.php	7789	0666	edit dl rm
site-new.php	9807	0666	edit dl rm
site-settings.php	5983	0666	edit dl rm
site-themes.php	6850	0666	edit dl rm
site-users.php	11787	0666	edit dl rm
sites.php	14588	0666	edit dl rm
theme-editor.php	264	0666	edit dl rm
theme-install.php	374	0666	edit dl rm
themes.php	15967	0666	edit dl rm
update-core.php	253	0666	edit dl rm
update.php	450	0666	edit dl rm
upgrade.php	4895	0666	edit dl rm
user-edit.php	253	0666	edit dl rm
user-new.php	5228	0666	edit dl rm
users.php	11857	0666	edit dl rm

Edit: /home/techb158/public_html/wp-admin/network/upgrade.php (4895B)

<?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';

/**
 * @global int $wp_db_version WordPress database version.
 */
global $wp_db_version;

// 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 = $_GET['action'] ?? 'show';

switch ( $action ) {
	case 'upgrade':
		$n = ( isset( $_GET['n'] ) ) ? (int) $_GET['n'] : 0;

if ( $n < 5 ) {
			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&amp;n=<?php echo ( $n + 5 ); ?>"><?php _e( 'Next Sites' ); ?></a></p>
		<script>
		
		</script>
		<?php
		break;
	case 'show':
	default:
		if ( (int) get_site_option( 'wpmu_upgrade_site' ) !== $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; ?>

<?php require_once ABSPATH . 'wp-admin/admin-footer.php'; ?>

add_help_tab( array( 'id' => 'overview', 'title' => __( 'Overview' ), 'content' => '

' . __( '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.' ) . '

' . '

' . __( 'If a version update to core has not happened, clicking this button will not affect anything.' ) . '

' . '

' . __( 'If this process fails for any reason, users logging in to their sites will force the same update.' ) . '

', ) ); get_current_screen()->set_help_sidebar( '

' . __( 'For more information:' ) . '

' . '

' . __( 'Documentation on Upgrade Network' ) . '

' . '

' . __( 'Support forums' ) . '

' ); 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 '

'; echo '

' . __( 'Upgrade Network' ) . '

'; $action = $_GET['action'] ?? 'show'; switch ( $action ) { case 'upgrade': $n = ( isset( $_GET['n'] ) ) ? (int) $_GET['n'] : 0; if ( $n < 5 ) { 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 '

' . __( 'All done!' ) . '

'; break; } echo '

$siteurl

' . $response->get_error_message() . '

'; ?>