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./othercms/wordpress-6.0/wp-admin/update-core.php
<?php
/**
 * Update Core administration panel.
 *
 * @package WordPress
 * @subpackage Administration
 */

/** WordPress Administration Bootstrap */
require_once __DIR__ . '/admin.php';

wp_enqueue_style( 'plugin-install' );
wp_enqueue_script( 'plugin-install' );
wp_enqueue_script( 'updates' );
add_thickbox();

if (
is_multisite() && ! is_network_admin() ) {
   
wp_redirect( network_admin_url( 'update-core.php' ) );
    exit;
}

if ( !
current_user_can( 'update_core' ) && ! current_user_can( 'update_themes' ) && ! current_user_can( 'update_plugins' ) && ! current_user_can( 'update_languages' ) ) {
   
wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
}

/**
 * Lists available core updates.
 *
 * @since 2.7.0
 *
 * @global string $wp_local_package Locale code of the package.
 * @global wpdb   $wpdb             WordPress database abstraction object.
 *
 * @param object $update
 */
function list_core_update( $update ) {
    global
$wp_local_package, $wpdb;
    static
$first_pass = true;

   
$wp_version     = get_bloginfo( 'version' );
   
$version_string = sprintf( '%s&ndash;%s', $update->current, get_locale() );

    if (
'en_US' === $update->locale && 'en_US' === get_locale() ) {
       
$version_string = $update->current;
    } elseif (
'en_US' === $update->locale && $update->packages->partial && $wp_version == $update->partial_version ) {
       
$updates = get_core_updates();
        if (
$updates && 1 === count( $updates ) ) {
           
// If the only available update is a partial builds, it doesn't need a language-specific version string.
           
$version_string = $update->current;
        }
    } elseif (
'en_US' === $update->locale && 'en_US' !== get_locale() ) {
       
$version_string = sprintf( '%s&ndash;%s', $update->current, $update->locale );
    }

   
$current = false;
    if ( ! isset(
$update->response ) || 'latest' === $update->response ) {
       
$current = true;
    }

   
$message       = '';
   
$form_action   = 'update-core.php?action=do-core-upgrade';
   
$php_version   = phpversion();
   
$mysql_version = $wpdb->db_version();
   
$show_buttons  = true;

   
// Nightly build versions have two hyphens and a commit number.
   
if ( preg_match( '/-\w+-\d+/', $update->current ) ) {
       
// Retrieve the major version number.
       
preg_match( '/^\d+.\d+/', $update->current, $update_major );
       
/* translators: %s: WordPress version. */
       
$submit = sprintf( __( 'Update to latest %s nightly' ), $update_major[0] );
    } else {
       
/* translators: %s: WordPress version. */
       
$submit = sprintf( __( 'Update to version %s' ), $version_string );
    }

    if (
'development' === $update->response ) {
       
$message = __( 'You can update to the latest nightly build manually:' );
    } else {
        if (
$current ) {
           
/* translators: %s: WordPress version. */
           
$submit      = sprintf( __( 'Re-install version %s' ), $version_string );
           
$form_action = 'update-core.php?action=do-core-reinstall';
        } else {
           
$php_compat = version_compare( $php_version, $update->php_version, '>=' );
            if (
file_exists( WP_CONTENT_DIR . '/db.php' ) && empty( $wpdb->is_mysql ) ) {
               
$mysql_compat = true;
            } else {
               
$mysql_compat = version_compare( $mysql_version, $update->mysql_version, '>=' );
            }

           
$version_url = sprintf(
               
/* translators: %s: WordPress version. */
               
esc_url( __( 'https://wordpress.org/support/wordpress-version/version-%s/' ) ),
               
sanitize_title( $update->current )
            );

           
$php_update_message = '</p><p>' . sprintf(
               
/* translators: %s: URL to Update PHP page. */
               
__( '<a href="%s">Learn more about updating PHP</a>.' ),
               
esc_url( wp_get_update_php_url() )
            );

           
$annotation = wp_get_update_php_annotation();

            if (
$annotation ) {
               
$php_update_message .= '</p><p><em>' . $annotation . '</em>';
            }

            if ( !
$mysql_compat && ! $php_compat ) {
               
$message = sprintf(
                   
/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Minimum required MySQL version number, 5: Current PHP version number, 6: Current MySQL version number. */
                   
__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher and MySQL version %4$s or higher. You are running PHP version %5$s and MySQL version %6$s.' ),
                   
$version_url,
                   
$update->current,
                   
$update->php_version,
                   
$update->mysql_version,
                   
$php_version,
                   
$mysql_version
               
) . $php_update_message;
            } elseif ( !
$php_compat ) {
               
$message = sprintf(
                   
/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required PHP version number, 4: Current PHP version number. */
                   
__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires PHP version %3$s or higher. You are running version %4$s.' ),
                   
$version_url,
                   
$update->current,
                   
$update->php_version,
                   
$php_version
               
) . $php_update_message;
            } elseif ( !
$mysql_compat ) {
               
$message = sprintf(
                   
/* translators: 1: URL to WordPress release notes, 2: WordPress version number, 3: Minimum required MySQL version number, 4: Current MySQL version number. */
                   
__( 'You cannot update because <a href="%1$s">WordPress %2$s</a> requires MySQL version %3$s or higher. You are running version %4$s.' ),
                   
$version_url,
                   
$update->current,
                   
$update->mysql_version,
                   
$mysql_version
               
);
            } else {
               
$message = sprintf(
                   
/* translators: 1: Installed WordPress version number, 2: URL to WordPress release notes, 3: New WordPress version number, including locale if necessary. */
                   
__( 'You can update from WordPress %1$s to <a href="%2$s">WordPress %3$s</a> manually:' ),
                   
$wp_version,
                   
$version_url,
                   
$version_string
               
);
            }

            if ( !
$mysql_compat || ! $php_compat ) {
               
$show_buttons = false;
            }
        }
    }

    echo
'<p>';
    echo
$message;
    echo
'</p>';

    echo
'<form method="post" action="' . esc_url( $form_action ) . '" name="upgrade" class="upgrade">';
   
wp_nonce_field( 'upgrade-core' );

    echo
'<p>';
    echo
'<input name="version" value="' . esc_attr( $update->current ) . '" type="hidden" />';
    echo
'<input name="locale" value="' . esc_attr( $update->locale ) . '" type="hidden" />';
    if (
$show_buttons ) {
        if (
$first_pass ) {
           
submit_button( $submit, $current ? '' : 'primary regular', 'upgrade', false );
           
$first_pass = false;
        } else {
           
submit_button( $submit, '', 'upgrade', false );
        }
    }
    if (
'en_US' !== $update->locale ) {
        if ( ! isset(
$update->dismissed ) || ! $update->dismissed ) {
           
submit_button( __( 'Hide this update' ), '', 'dismiss', false );
        } else {
           
submit_button( __( 'Bring back this update' ), '', 'undismiss', false );
        }
    }
    echo
'</p>';

    if (
'en_US' !== $update->locale && ( ! isset( $wp_local_package ) || $wp_local_package != $update->locale ) ) {
        echo
'<p class="hint">' . __( 'This localized version contains both the translation and various other localization fixes.' ) . '</p>';
    } elseif (
'en_US' === $update->locale && 'en_US' !== get_locale() && ( ! $update->packages->partial && $wp_version == $update->partial_version ) ) {
       
// Partial builds don't need language-specific warnings.
       
echo '<p class="hint">' . sprintf(
           
/* translators: %s: WordPress version. */
           
__( 'You are about to install WordPress %s <strong>in English (US).</strong> There is a chance this update will break your translation. You may prefer to wait for the localized version to be released.' ),
           
'development' !== $update->response ? $update->current : ''
       
) . '</p>';
    }

    echo
'</form>';

}

/**
 * Display dismissed updates.
 *
 * @since 2.7.0
 */
function dismissed_updates() {
   
$dismissed = get_core_updates(
        array(
           
'dismissed' => true,
           
'available' => false,
        )
    );

    if (
$dismissed ) {
       
$show_text = esc_js( __( 'Show hidden updates' ) );
       
$hide_text = esc_js( __( 'Hide hidden updates' ) );
       
?>
       <script type="text/javascript">
            jQuery( function( $ ) {
                $( '#show-dismissed' ).on( 'click', function() {
                    var isExpanded = ( 'true' === $( this ).attr( 'aria-expanded' ) );

                    if ( isExpanded ) {
                        $( this ).text( '<?php echo $show_text; ?>' ).attr( 'aria-expanded', 'false' );
                    } else {
                        $( this ).text( '<?php echo $hide_text; ?>' ).attr( 'aria-expanded', 'true' );
                    }

                    $( '#dismissed-updates' ).toggle( 'fast' );
                });
            });
        </script>
        <?php
       
echo '<p class="hide-if-no-js"><button type="button" class="button" id="show-dismissed" aria-expanded="false">' . __( 'Show hidden updates' ) . '</button></p>';
        echo
'<ul id="dismissed-updates" class="core-updates dismissed">';
        foreach ( (array)
$dismissed as $update ) {
            echo
'<li>';
           
list_core_update( $update );
            echo
'</li>';
        }
        echo
'</ul>';
    }
}

/**
 * Display upgrade WordPress for downloading latest or upgrading automatically form.
 *
 * @since 2.7.0
 *
 * @global string $required_php_version   The required PHP version string.
 * @global string $required_mysql_version The required MySQL version string.
 */
function core_upgrade_preamble() {
    global
$required_php_version, $required_mysql_version;

   
$updates = get_core_updates();

   
// Include an unmodified $wp_version.
   
require ABSPATH . WPINC . '/version.php';

   
$is_development_version = preg_match( '/alpha|beta|RC/', $wp_version );

    if ( isset(
$updates[0]->version ) && version_compare( $updates[0]->version, $wp_version, '>' ) ) {
        echo
'<h2 class="response">';
       
_e( 'An updated version of WordPress is available.' );
        echo
'</h2>';

        echo
'<div class="notice notice-warning inline"><p>';
       
printf(
           
/* translators: 1: Documentation on WordPress backups, 2: Documentation on updating WordPress. */
           
__( '<strong>Important:</strong> Before updating, please <a href="%1$s">back up your database and files</a>. For help with updates, visit the <a href="%2$s">Updating WordPress</a> documentation page.' ),
           
__( 'https://wordpress.org/support/article/wordpress-backups/' ),
           
__( 'https://wordpress.org/support/article/updating-wordpress/' )
        );
        echo
'</p></div>';
    } elseif (
$is_development_version ) {
        echo
'<h2 class="response">' . __( 'You are using a development version of WordPress.' ) . '</h2>';
    } else {
        echo
'<h2 class="response">' . __( 'You have the latest version of WordPress.' ) . '</h2>';
    }

    echo
'<ul class="core-updates">';
    foreach ( (array)
$updates as $update ) {
        echo
'<li>';
       
list_core_update( $update );
        echo
'</li>';
    }
    echo
'</ul>';

   
// Don't show the maintenance mode notice when we are only showing a single re-install option.
   
if ( $updates && ( count( $updates ) > 1 || 'latest' !== $updates[0]->response ) ) {
        echo
'<p>' . __( 'While your site is being updated, it will be in maintenance mode. As soon as your updates are complete, this mode will be deactivated.' ) . '</p>';
    } elseif ( !
$updates ) {
        list(
$normalized_version ) = explode( '-', $wp_version );
        echo
'<p>' . sprintf(
           
/* translators: 1: URL to About screen, 2: WordPress version. */
           
__( '<a href="%1$s">Learn more about WordPress %2$s</a>.' ),
           
esc_url( self_admin_url( 'about.php' ) ),
           
$normalized_version
       
) . '</p>';
    }

   
dismissed_updates();
}

/**
 * Display WordPress auto-updates settings.
 *
 * @since 5.6.0
 */
function core_auto_updates_settings() {
    if ( isset(
$_GET['core-major-auto-updates-saved'] ) ) {
        if (
'enabled' === $_GET['core-major-auto-updates-saved'] ) {
           
$notice_text = __( 'Automatic updates for all WordPress versions have been enabled. Thank you!' );
            echo
'<div class="notice notice-success is-dismissible"><p>' . $notice_text . '</p></div>';
        } elseif (
'disabled' === $_GET['core-major-auto-updates-saved'] ) {
           
$notice_text = __( 'WordPress will only receive automatic security and maintenance releases from now on.' );
            echo
'<div class="notice notice-success is-dismissible"><p>' . $notice_text . '</p></div>';
        }
    }

    require_once
ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
   
$updater = new WP_Automatic_Updater();

   
// Defaults:
   
$upgrade_dev   = get_site_option( 'auto_update_core_dev', 'enabled' ) === 'enabled';
   
$upgrade_minor = get_site_option( 'auto_update_core_minor', 'enabled' ) === 'enabled';
   
$upgrade_major = get_site_option( 'auto_update_core_major', 'unset' ) === 'enabled';

   
$can_set_update_option = true;
   
// WP_AUTO_UPDATE_CORE = true (all), 'beta', 'rc', 'development', 'branch-development', 'minor', false.
   
if ( defined( 'WP_AUTO_UPDATE_CORE' ) ) {
        if (
false === WP_AUTO_UPDATE_CORE ) {
           
// Defaults to turned off, unless a filter allows it.
           
$upgrade_dev   = false;
           
$upgrade_minor = false;
           
$upgrade_major = false;
        } elseif (
true === WP_AUTO_UPDATE_CORE
           
|| in_array( WP_AUTO_UPDATE_CORE, array( 'beta', 'rc', 'development', 'branch-development' ), true )
        ) {
           
// ALL updates for core.
           
$upgrade_dev   = true;
           
$upgrade_minor = true;
           
$upgrade_major = true;
        } elseif (
'minor' === WP_AUTO_UPDATE_CORE ) {
           
// Only minor updates for core.
           
$upgrade_dev   = false;
           
$upgrade_minor = true;
           
$upgrade_major = false;
        }

       
// The UI is overridden by the `WP_AUTO_UPDATE_CORE` constant.
       
$can_set_update_option = false;
    }

    if (
$updater->is_disabled() ) {
       
$upgrade_dev   = false;
       
$upgrade_minor = false;
       
$upgrade_major = false;

       
/*
         * The UI is overridden by the `AUTOMATIC_UPDATER_DISABLED` constant
         * or the `automatic_updater_disabled` filter,
         * or by `wp_is_file_mod_allowed( 'automatic_updater' )`.
         * See `WP_Automatic_Updater::is_disabled()`.
         */
       
$can_set_update_option = false;
    }

   
// Is the UI overridden by a plugin using the `allow_major_auto_core_updates` filter?
   
if ( has_filter( 'allow_major_auto_core_updates' ) ) {
       
$can_set_update_option = false;
    }

   
/** This filter is documented in wp-admin/includes/class-core-upgrader.php */
   
$upgrade_dev = apply_filters( 'allow_dev_auto_core_updates', $upgrade_dev );
   
/** This filter is documented in wp-admin/includes/class-core-upgrader.php */
   
$upgrade_minor = apply_filters( 'allow_minor_auto_core_updates', $upgrade_minor );
   
/** This filter is documented in wp-admin/includes/class-core-upgrader.php */
   
$upgrade_major = apply_filters( 'allow_major_auto_core_updates', $upgrade_major );

   
$auto_update_settings = array(
       
'dev'   => $upgrade_dev,
       
'minor' => $upgrade_minor,
       
'major' => $upgrade_major,
    );

    if (
$upgrade_major ) {
       
$wp_version = get_bloginfo( 'version' );
       
$updates    = get_core_updates();

        if ( isset(
$updates[0]->version ) && version_compare( $updates[0]->version, $wp_version, '>' ) ) {
            echo
'<p>' . wp_get_auto_update_message() . '</p>';
        }
    }

   
$action_url = self_admin_url( 'update-core.php?action=core-major-auto-updates-settings' );
   
?>

    <p class="auto-update-status">
        <?php

       
if ( $updater->is_vcs_checkout( ABSPATH ) ) {
           
_e( 'This site appears to be under version control. Automatic updates are disabled.' );
        } elseif (
$upgrade_major ) {
           
_e( 'This site is automatically kept up to date with each new version of WordPress.' );

            if (
$can_set_update_option ) {
                echo
'<br>';
               
printf(
                   
'<a href="%s" class="core-auto-update-settings-link core-auto-update-settings-link-disable">%s</a>',
                   
wp_nonce_url( add_query_arg( 'value', 'disable', $action_url ), 'core-major-auto-updates-nonce' ),
                   
__( 'Switch to automatic updates for maintenance and security releases only.' )
                );
            }
        } elseif (
$upgrade_minor ) {
           
_e( 'This site is automatically kept up to date with maintenance and security releases of WordPress only.' );

            if (
$can_set_update_option ) {
                echo
'<br>';
               
printf(
                   
'<a href="%s" class="core-auto-update-settings-link core-auto-update-settings-link-enable">%s</a>',
                   
wp_nonce_url( add_query_arg( 'value', 'enable', $action_url ), 'core-major-auto-updates-nonce' ),
                   
__( 'Enable automatic updates for all new versions of WordPress.' )
                );
            }
        } else {
           
_e( 'This site will not receive automatic updates for new versions of WordPress.' );
        }
       
?>
   </p>

    <?php
   
/**
     * Fires after the major core auto-update settings.
     *
     * @since 5.6.0
     *
     * @param array $auto_update_settings {
     *     Array of core auto-update settings.
     *
     *     @type bool $dev   Whether to enable automatic updates for development versions.
     *     @type bool $minor Whether to enable minor automatic core updates.
     *     @type bool $major Whether to enable major automatic core updates.
     * }
     */
   
do_action( 'after_core_auto_updates_settings', $auto_update_settings );
}

/**
 * Display the upgrade plugins form.
 *
 * @since 2.9.0
 */
function list_plugin_updates() {
   
$wp_version     = get_bloginfo( 'version' );
   
$cur_wp_version = preg_replace( '/-.*$/', '', $wp_version );

    require_once
ABSPATH . 'wp-admin/includes/plugin-install.php';
   
$plugins = get_plugin_updates();
    if ( empty(
$plugins ) ) {
        echo
'<h2>' . __( 'Plugins' ) . '</h2>';
        echo
'<p>' . __( 'Your plugins are all up to date.' ) . '</p>';
        return;
    }
   
$form_action = 'update-core.php?action=do-plugin-upgrade';

   
$core_updates = get_core_updates();
    if ( ! isset(
$core_updates[0]->response ) || 'latest' === $core_updates[0]->response || 'development' === $core_updates[0]->response || version_compare( $core_updates[0]->current, $cur_wp_version, '=' ) ) {
       
$core_update_version = false;
    } else {
       
$core_update_version = $core_updates[0]->current;
    }

   
$plugins_count = count( $plugins );
   
?>
<h2>
    <?php
    printf
(
       
'%s <span class="count">(%d)</span>',
       
__( 'Plugins' ),
       
number_format_i18n( $plugins_count )
    );
   
?>
</h2>
<p><?php _e( 'The following plugins have new versions available. Check the ones you want to update and then click &#8220;Update Plugins&#8221;.' ); ?></p>
<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-plugins" class="upgrade">
    <?php wp_nonce_field( 'upgrade-core' ); ?>
<p><input id="upgrade-plugins" class="button" type="submit" value="<?php esc_attr_e( 'Update Plugins' ); ?>" name="upgrade" /></p>
<table class="widefat updates-table" id="update-plugins-table">
    <thead>
    <tr>
        <td class="manage-column check-column"><input type="checkbox" id="plugins-select-all" /></td>
        <td class="manage-column"><label for="plugins-select-all"><?php _e( 'Select All' ); ?></label></td>
    </tr>
    </thead>

    <tbody class="plugins">
    <?php

    $auto_updates
= array();
    if (
wp_is_auto_update_enabled_for_type( 'plugin' ) ) {
       
$auto_updates       = (array) get_site_option( 'auto_update_plugins', array() );
       
$auto_update_notice = ' | ' . wp_get_auto_update_message();
    }

    foreach ( (array)
$plugins as $plugin_file => $plugin_data ) {
       
$plugin_data = (object) _get_plugin_data_markup_translate( $plugin_file, (array) $plugin_data, false, true );

       
$icon            = '<span class="dashicons dashicons-admin-plugins"></span>';
       
$preferred_icons = array( 'svg', '2x', '1x', 'default' );
        foreach (
$preferred_icons as $preferred_icon ) {
            if ( ! empty(
$plugin_data->update->icons[ $preferred_icon ] ) ) {
               
$icon = '<img src="' . esc_url( $plugin_data->update->icons[ $preferred_icon ] ) . '" alt="" />';
                break;
            }
        }

       
// Get plugin compat for running version of WordPress.
       
if ( isset( $plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $cur_wp_version, '>=' ) ) {
           
/* translators: %s: WordPress version. */
           
$compat = '<br />' . sprintf( __( 'Compatibility with WordPress %s: 100%% (according to its author)' ), $cur_wp_version );
        } else {
           
/* translators: %s: WordPress version. */
           
$compat = '<br />' . sprintf( __( 'Compatibility with WordPress %s: Unknown' ), $cur_wp_version );
        }
       
// Get plugin compat for updated version of WordPress.
       
if ( $core_update_version ) {
            if ( isset(
$plugin_data->update->tested ) && version_compare( $plugin_data->update->tested, $core_update_version, '>=' ) ) {
               
/* translators: %s: WordPress version. */
               
$compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %s: 100%% (according to its author)' ), $core_update_version );
            } else {
               
/* translators: %s: WordPress version. */
               
$compat .= '<br />' . sprintf( __( 'Compatibility with WordPress %s: Unknown' ), $core_update_version );
            }
        }

       
$requires_php   = isset( $plugin_data->update->requires_php ) ? $plugin_data->update->requires_php : null;
       
$compatible_php = is_php_version_compatible( $requires_php );

        if ( !
$compatible_php && current_user_can( 'update_php' ) ) {
           
$compat .= '<br>' . __( 'This update does not work with your version of PHP.' ) . '&nbsp;';
           
$compat .= sprintf(
               
/* translators: %s: URL to Update PHP page. */
               
__( '<a href="%s">Learn more about updating PHP</a>.' ),
               
esc_url( wp_get_update_php_url() )
            );

           
$annotation = wp_get_update_php_annotation();

            if (
$annotation ) {
               
$compat .= '</p><p><em>' . $annotation . '</em>';
            }
        }

       
// Get the upgrade notice for the new plugin version.
       
if ( isset( $plugin_data->update->upgrade_notice ) ) {
           
$upgrade_notice = '<br />' . strip_tags( $plugin_data->update->upgrade_notice );
        } else {
           
$upgrade_notice = '';
        }

       
$details_url = self_admin_url( 'plugin-install.php?tab=plugin-information&plugin=' . $plugin_data->update->slug . '&section=changelog&TB_iframe=true&width=640&height=662' );
       
$details     = sprintf(
           
'<a href="%1$s" class="thickbox open-plugin-details-modal" aria-label="%2$s">%3$s</a>',
           
esc_url( $details_url ),
           
/* translators: 1: Plugin name, 2: Version number. */
           
esc_attr( sprintf( __( 'View %1$s version %2$s details' ), $plugin_data->Name, $plugin_data->update->new_version ) ),
           
/* translators: %s: Plugin version. */
           
sprintf( __( 'View version %s details.' ), $plugin_data->update->new_version )
        );

       
$checkbox_id = 'checkbox_' . md5( $plugin_file );
       
?>
   <tr>
        <td class="check-column">
            <?php if ( $compatible_php ) : ?>
               <input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $plugin_file ); ?>" />
                <label for="<?php echo $checkbox_id; ?>" class="screen-reader-text">
                    <?php
                   
/* translators: %s: Plugin name. */
                   
printf( __( 'Select %s' ), $plugin_data->Name );
                   
?>
               </label>
            <?php endif; ?>
       </td>
        <td class="plugin-title"><p>
            <?php echo $icon; ?>
           <strong><?php echo $plugin_data->Name; ?></strong>
            <?php
            printf
(
               
/* translators: 1: Plugin version, 2: New version. */
               
__( 'You have version %1$s installed. Update to %2$s.' ),
               
$plugin_data->Version,
               
$plugin_data->update->new_version
           
);

            echo
' ' . $details . $compat . $upgrade_notice;

            if (
in_array( $plugin_file, $auto_updates, true ) ) {
                echo
$auto_update_notice;
            }
           
?>
       </p></td>
    </tr>
            <?php
   
}
   
?>
   </tbody>

    <tfoot>
    <tr>
        <td class="manage-column check-column"><input type="checkbox" id="plugins-select-all-2" /></td>
        <td class="manage-column"><label for="plugins-select-all-2"><?php _e( 'Select All' ); ?></label></td>
    </tr>
    </tfoot>
</table>
<p><input id="upgrade-plugins-2" class="button" type="submit" value="<?php esc_attr_e( 'Update Plugins' ); ?>" name="upgrade" /></p>
</form>
    <?php
}

/**
 * Display the upgrade themes form.
 *
 * @since 2.9.0
 */
function list_theme_updates() {
   
$themes = get_theme_updates();
    if ( empty(
$themes ) ) {
        echo
'<h2>' . __( 'Themes' ) . '</h2>';
        echo
'<p>' . __( 'Your themes are all up to date.' ) . '</p>';
        return;
    }

   
$form_action = 'update-core.php?action=do-theme-upgrade';

   
$themes_count = count( $themes );
   
?>
<h2>
    <?php
    printf
(
       
'%s <span class="count">(%d)</span>',
       
__( 'Themes' ),
       
number_format_i18n( $themes_count )
    );
   
?>
</h2>
<p><?php _e( 'The following themes have new versions available. Check the ones you want to update and then click &#8220;Update Themes&#8221;.' ); ?></p>
<p>
    <?php
    printf
(
       
/* translators: %s: Link to documentation on child themes. */
       
__( '<strong>Please Note:</strong> Any customizations you have made to theme files will be lost. Please consider using <a href="%s">child themes</a> for modifications.' ),
       
__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' )
    );
   
?>
</p>
<form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-themes" class="upgrade">
    <?php wp_nonce_field( 'upgrade-core' ); ?>
<p><input id="upgrade-themes" class="button" type="submit" value="<?php esc_attr_e( 'Update Themes' ); ?>" name="upgrade" /></p>
<table class="widefat updates-table" id="update-themes-table">
    <thead>
    <tr>
        <td class="manage-column check-column"><input type="checkbox" id="themes-select-all" /></td>
        <td class="manage-column"><label for="themes-select-all"><?php _e( 'Select All' ); ?></label></td>
    </tr>
    </thead>

    <tbody class="plugins">
    <?php
    $auto_updates
= array();
    if (
wp_is_auto_update_enabled_for_type( 'theme' ) ) {
       
$auto_updates       = (array) get_site_option( 'auto_update_themes', array() );
       
$auto_update_notice = ' | ' . wp_get_auto_update_message();
    }

    foreach (
$themes as $stylesheet => $theme ) {
       
$requires_wp  = isset( $theme->update['requires'] ) ? $theme->update['requires'] : null;
       
$requires_php = isset( $theme->update['requires_php'] ) ? $theme->update['requires_php'] : null;

       
$compatible_wp  = is_wp_version_compatible( $requires_wp );
       
$compatible_php = is_php_version_compatible( $requires_php );

       
$compat = '';

        if ( !
$compatible_wp && ! $compatible_php ) {
           
$compat .= '<br>' . __( 'This update does not work with your versions of WordPress and PHP.' ) . '&nbsp;';
            if (
current_user_can( 'update_core' ) && current_user_can( 'update_php' ) ) {
               
$compat .= sprintf(
                   
/* translators: 1: URL to WordPress Updates screen, 2: URL to Update PHP page. */
                   
__( '<a href="%1$s">Please update WordPress</a>, and then <a href="%2$s">learn more about updating PHP</a>.' ),
                   
self_admin_url( 'update-core.php' ),
                   
esc_url( wp_get_update_php_url() )
                );

               
$annotation = wp_get_update_php_annotation();

                if (
$annotation ) {
                   
$compat .= '</p><p><em>' . $annotation . '</em>';
                }
            } elseif (
current_user_can( 'update_core' ) ) {
               
$compat .= sprintf(
                   
/* translators: %s: URL to WordPress Updates screen. */
                   
__( '<a href="%s">Please update WordPress</a>.' ),
                   
self_admin_url( 'update-core.php' )
                );
            } elseif (
current_user_can( 'update_php' ) ) {
               
$compat .= sprintf(
                   
/* translators: %s: URL to Update PHP page. */
                   
__( '<a href="%s">Learn more about updating PHP</a>.' ),
                   
esc_url( wp_get_update_php_url() )
                );

               
$annotation = wp_get_update_php_annotation();

                if (
$annotation ) {
                   
$compat .= '</p><p><em>' . $annotation . '</em>';
                }
            }
        } elseif ( !
$compatible_wp ) {
           
$compat .= '<br>' . __( 'This update does not work with your version of WordPress.' ) . '&nbsp;';
            if (
current_user_can( 'update_core' ) ) {
               
$compat .= sprintf(
                   
/* translators: %s: URL to WordPress Updates screen. */
                   
__( '<a href="%s">Please update WordPress</a>.' ),
                   
self_admin_url( 'update-core.php' )
                );
            }
        } elseif ( !
$compatible_php ) {
           
$compat .= '<br>' . __( 'This update does not work with your version of PHP.' ) . '&nbsp;';
            if (
current_user_can( 'update_php' ) ) {
               
$compat .= sprintf(
                   
/* translators: %s: URL to Update PHP page. */
                   
__( '<a href="%s">Learn more about updating PHP</a>.' ),
                   
esc_url( wp_get_update_php_url() )
                );

               
$annotation = wp_get_update_php_annotation();

                if (
$annotation ) {
                   
$compat .= '</p><p><em>' . $annotation . '</em>';
                }
            }
        }

       
$checkbox_id = 'checkbox_' . md5( $theme->get( 'Name' ) );
       
?>
   <tr>
        <td class="check-column">
            <?php if ( $compatible_wp && $compatible_php ) : ?>
               <input type="checkbox" name="checked[]" id="<?php echo $checkbox_id; ?>" value="<?php echo esc_attr( $stylesheet ); ?>" />
                <label for="<?php echo $checkbox_id; ?>" class="screen-reader-text">
                    <?php
                   
/* translators: %s: Theme name. */
                   
printf( __( 'Select %s' ), $theme->display( 'Name' ) );
                   
?>
               </label>
            <?php endif; ?>
       </td>
        <td class="plugin-title"><p>
            <img src="<?php echo esc_url( $theme->get_screenshot() . '?ver=' . $theme->version ); ?>" width="85" height="64" class="updates-table-screenshot" alt="" />
            <strong><?php echo $theme->display( 'Name' ); ?></strong>
            <?php
            printf
(
               
/* translators: 1: Theme version, 2: New version. */
               
__( 'You have version %1$s installed. Update to %2$s.' ),
               
$theme->display( 'Version' ),
               
$theme->update['new_version']
            );

            echo
' ' . $compat;

            if (
in_array( $stylesheet, $auto_updates, true ) ) {
                echo
$auto_update_notice;
            }
           
?>
       </p></td>
    </tr>
            <?php
   
}
   
?>
   </tbody>

    <tfoot>
    <tr>
        <td class="manage-column check-column"><input type="checkbox" id="themes-select-all-2" /></td>
        <td class="manage-column"><label for="themes-select-all-2"><?php _e( 'Select All' ); ?></label></td>
    </tr>
    </tfoot>
</table>
<p><input id="upgrade-themes-2" class="button" type="submit" value="<?php esc_attr_e( 'Update Themes' ); ?>" name="upgrade" /></p>
</form>
    <?php
}

/**
 * Display the update translations form.
 *
 * @since 3.7.0
 */
function list_translation_updates() {
   
$updates = wp_get_translation_updates();
    if ( !
$updates ) {
        if (
'en_US' !== get_locale() ) {
            echo
'<h2>' . __( 'Translations' ) . '</h2>';
            echo
'<p>' . __( 'Your translations are all up to date.' ) . '</p>';
        }
        return;
    }

   
$form_action = 'update-core.php?action=do-translation-upgrade';
   
?>
   <h2><?php _e( 'Translations' ); ?></h2>
    <form method="post" action="<?php echo esc_url( $form_action ); ?>" name="upgrade-translations" class="upgrade">
        <p><?php _e( 'New translations are available.' ); ?></p>
        <?php wp_nonce_field( 'upgrade-translations' ); ?>
       <p><input class="button" type="submit" value="<?php esc_attr_e( 'Update Translations' ); ?>" name="upgrade" /></p>
    </form>
    <?php
}

/**
 * Upgrade WordPress core display.
 *
 * @since 2.7.0
 *
 * @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
 *
 * @param bool $reinstall
 */
function do_core_upgrade( $reinstall = false ) {
    global
$wp_filesystem;

    require_once
ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

    if (
$reinstall ) {
       
$url = 'update-core.php?action=do-core-reinstall';
    } else {
       
$url = 'update-core.php?action=do-core-upgrade';
    }
   
$url = wp_nonce_url( $url, 'upgrade-core' );

   
$version = isset( $_POST['version'] ) ? $_POST['version'] : false;
   
$locale  = isset( $_POST['locale'] ) ? $_POST['locale'] : 'en_US';
   
$update  = find_core_update( $version, $locale );
    if ( !
$update ) {
        return;
    }

   
// Allow relaxed file ownership writes for User-initiated upgrades when the API specifies
    // that it's safe to do so. This only happens when there are no new files to create.
   
$allow_relaxed_file_ownership = ! $reinstall && isset( $update->new_files ) && ! $update->new_files;

   
?>
   <div class="wrap">
    <h1><?php _e( 'Update WordPress' ); ?></h1>
    <?php

    $credentials
= request_filesystem_credentials( $url, '', false, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership );
    if (
false === $credentials ) {
        echo
'</div>';
        return;
    }

    if ( !
WP_Filesystem( $credentials, ABSPATH, $allow_relaxed_file_ownership ) ) {
       
// Failed to connect. Error and request again.
       
request_filesystem_credentials( $url, '', true, ABSPATH, array( 'version', 'locale' ), $allow_relaxed_file_ownership );
        echo
'</div>';
        return;
    }

    if (
$wp_filesystem->errors->has_errors() ) {
        foreach (
$wp_filesystem->errors->get_error_messages() as $message ) {
           
show_message( $message );
        }
        echo
'</div>';
        return;
    }

    if (
$reinstall ) {
       
$update->response = 'reinstall';
    }

   
add_filter( 'update_feedback', 'show_message' );

   
$upgrader = new Core_Upgrader();
   
$result   = $upgrader->upgrade(
       
$update,
        array(
           
'allow_relaxed_file_ownership' => $allow_relaxed_file_ownership,
        )
    );

    if (
is_wp_error( $result ) ) {
       
show_message( $result );
        if (
'up_to_date' != $result->get_error_code() && 'locked' != $result->get_error_code() ) {
           
show_message( __( 'Installation failed.' ) );
        }
        echo
'</div>';
        return;
    }

   
show_message( __( 'WordPress updated successfully.' ) );
   
show_message(
       
'<span class="hide-if-no-js">' . sprintf(
           
/* translators: 1: WordPress version, 2: URL to About screen. */
           
__( 'Welcome to WordPress %1$s. You will be redirected to the About WordPress screen. If not, click <a href="%2$s">here</a>.' ),
           
$result,
           
esc_url( self_admin_url( 'about.php?updated' ) )
        ) .
'</span>'
   
);
   
show_message(
       
'<span class="hide-if-js">' . sprintf(
           
/* translators: 1: WordPress version, 2: URL to About screen. */
           
__( 'Welcome to WordPress %1$s. <a href="%2$s">Learn more</a>.' ),
           
$result,
           
esc_url( self_admin_url( 'about.php?updated' ) )
        ) .
'</span>'
   
);
   
?>
   </div>
    <script type="text/javascript">
    window.location = '<?php echo self_admin_url( 'about.php?updated' ); ?>';
    </script>
    <?php
}

/**
 * Dismiss a core update.
 *
 * @since 2.7.0
 */
function do_dismiss_core_update() {
   
$version = isset( $_POST['version'] ) ? $_POST['version'] : false;
   
$locale  = isset( $_POST['locale'] ) ? $_POST['locale'] : 'en_US';
   
$update  = find_core_update( $version, $locale );
    if ( !
$update ) {
        return;
    }
   
dismiss_core_update( $update );
   
wp_redirect( wp_nonce_url( 'update-core.php?action=upgrade-core', 'upgrade-core' ) );
    exit;
}

/**
 * Undismiss a core update.
 *
 * @since 2.7.0
 */
function do_undismiss_core_update() {
   
$version = isset( $_POST['version'] ) ? $_POST['version'] : false;
   
$locale  = isset( $_POST['locale'] ) ? $_POST['locale'] : 'en_US';
   
$update  = find_core_update( $version, $locale );
    if ( !
$update ) {
        return;
    }
   
undismiss_core_update( $version, $locale );
   
wp_redirect( wp_nonce_url( 'update-core.php?action=upgrade-core', 'upgrade-core' ) );
    exit;
}

$action = isset( $_GET['action'] ) ? $_GET['action'] : 'upgrade-core';

$upgrade_error = false;
if ( (
'do-theme-upgrade' === $action || ( 'do-plugin-upgrade' === $action && ! isset( $_GET['plugins'] ) ) )
    && ! isset(
$_POST['checked'] ) ) {
   
$upgrade_error = ( 'do-theme-upgrade' === $action ) ? 'themes' : 'plugins';
   
$action        = 'upgrade-core';
}

$title       = __( 'WordPress Updates' );
$parent_file = 'index.php';

$updates_overview  = '<p>' . __( 'On this screen, you can update to the latest version of WordPress, as well as update your themes, plugins, and translations from the WordPress.org repositories.' ) . '</p>';
$updates_overview .= '<p>' . __( 'If an update is available, you&#8127;ll see a notification appear in the Toolbar and navigation menu.' ) . ' ' . __( 'Keeping your site updated is important for security. It also makes the internet a safer place for you and your readers.' ) . '</p>';

get_current_screen()->add_help_tab(
    array(
       
'id'      => 'overview',
       
'title'   => __( 'Overview' ),
       
'content' => $updates_overview,
    )
);

$updates_howto  = '<p>' . __( '<strong>WordPress</strong> &mdash; Updating your WordPress installation is a simple one-click procedure: just <strong>click on the &#8220;Update now&#8221; button</strong> when you are notified that a new version is available.' ) . ' ' . __( 'In most cases, WordPress will automatically apply maintenance and security updates in the background for you.' ) . '</p>';
$updates_howto .= '<p>' . __( '<strong>Themes and Plugins</strong> &mdash; To update individual themes or plugins from this screen, use the checkboxes to make your selection, then <strong>click on the appropriate &#8220;Update&#8221; button</strong>. To update all of your themes or plugins at once, you can check the box at the top of the section to select all before clicking the update button.' ) . '</p>';

if (
'en_US' !== get_locale() ) {
   
$updates_howto .= '<p>' . __( '<strong>Translations</strong> &mdash; The files translating WordPress into your language are updated for you whenever any other updates occur. But if these files are out of date, you can <strong>click the &#8220;Update Translations&#8221;</strong> button.' ) . '</p>';
}

get_current_screen()->add_help_tab(
    array(
       
'id'      => 'how-to-update',
       
'title'   => __( 'How to Update' ),
       
'content' => $updates_howto,
    )
);

$help_sidebar_autoupdates = '';

if ( (
current_user_can( 'update_themes' ) && wp_is_auto_update_enabled_for_type( 'theme' ) ) || ( current_user_can( 'update_plugins' ) && wp_is_auto_update_enabled_for_type( 'plugin' ) ) ) {
   
$help_tab_autoupdates  = '<p>' . __( 'Auto-updates can be enabled or disabled for WordPress major versions and for each individual theme or plugin. Themes or plugins with auto-updates enabled will display the estimated date of the next auto-update. Auto-updates depends on the WP-Cron task scheduling system.' ) . '</p>';
   
$help_tab_autoupdates .= '<p>' . __( 'Please note: Third-party themes and plugins, or custom code, may override WordPress scheduling.' ) . '</p>';

   
get_current_screen()->add_help_tab(
        array(
           
'id'      => 'plugins-themes-auto-updates',
           
'title'   => __( 'Auto-updates' ),
           
'content' => $help_tab_autoupdates,
        )
    );

   
$help_sidebar_autoupdates = '<p>' . __( '<a href="https://wordpress.org/support/article/plugins-themes-auto-updates/">Learn more: Auto-updates documentation</a>' ) . '</p>';
}

get_current_screen()->set_help_sidebar(
   
'<p><strong>' . __( 'For more information:' ) . '</strong></p>' .
   
'<p>' . __( '<a href="https://wordpress.org/support/article/dashboard-updates-screen/">Documentation on Updating WordPress</a>' ) . '</p>' .
   
$help_sidebar_autoupdates .
   
'<p>' . __( '<a href="https://wordpress.org/support/">Support</a>' ) . '</p>'
);

if (
'upgrade-core' === $action ) {
   
// Force a update check when requested.
   
$force_check = ! empty( $_GET['force-check'] );
   
wp_version_check( array(), $force_check );

    require_once
ABSPATH . 'wp-admin/admin-header.php';
   
?>
   <div class="wrap">
    <h1><?php _e( 'WordPress Updates' ); ?></h1>
    <p><?php _e( 'Here you can find information about updates, set auto-updates and see what plugins or themes need updating.' ); ?></p>

    <?php
   
if ( $upgrade_error ) {
        echo
'<div class="error"><p>';
        if (
'themes' === $upgrade_error ) {
           
_e( 'Please select one or more themes to update.' );
        } else {
           
_e( 'Please select one or more plugins to update.' );
        }
        echo
'</p></div>';
    }

   
$last_update_check = false;
   
$current           = get_site_transient( 'update_core' );

    if (
$current && isset( $current->last_checked ) ) {
       
$last_update_check = $current->last_checked + get_option( 'gmt_offset' ) * HOUR_IN_SECONDS;
    }

    echo
'<h2 class="wp-current-version">';
   
/* translators: Current version of WordPress. */
   
printf( __( 'Current version: %s' ), get_bloginfo( 'version' ) );
    echo
'</h2>';

    echo
'<p class="update-last-checked">';
   
/* translators: 1: Date, 2: Time. */
   
printf( __( 'Last checked on %1$s at %2$s.' ), date_i18n( __( 'F j, Y' ), $last_update_check ), date_i18n( __( 'g:i a T' ), $last_update_check ) );
    echo
' <a href="' . esc_url( self_admin_url( 'update-core.php?force-check=1' ) ) . '">' . __( 'Check again.' ) . '</a>';
    echo
'</p>';

    if (
current_user_can( 'update_core' ) ) {
       
core_auto_updates_settings();
       
core_upgrade_preamble();
    }
    if (
current_user_can( 'update_plugins' ) ) {
       
list_plugin_updates();
    }
    if (
current_user_can( 'update_themes' ) ) {
       
list_theme_updates();
    }
    if (
current_user_can( 'update_languages' ) ) {
       
list_translation_updates();
    }

   
/**
     * Fires after the core, plugin, and theme update tables.
     *
     * @since 2.9.0
     */
   
do_action( 'core_upgrade_preamble' );
    echo
'</div>';

   
wp_localize_script(
       
'updates',
       
'_wpUpdatesItemCounts',
        array(
           
'totals' => wp_get_update_data(),
        )
    );

    require_once
ABSPATH . 'wp-admin/admin-footer.php';

} elseif (
'do-core-upgrade' === $action || 'do-core-reinstall' === $action ) {

    if ( !
current_user_can( 'update_core' ) ) {
       
wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
    }

   
check_admin_referer( 'upgrade-core' );

   
// Do the (un)dismiss actions before headers, so that they can redirect.
   
if ( isset( $_POST['dismiss'] ) ) {
       
do_dismiss_core_update();
    } elseif ( isset(
$_POST['undismiss'] ) ) {
       
do_undismiss_core_update();
    }

    require_once
ABSPATH . 'wp-admin/admin-header.php';
    if (
'do-core-reinstall' === $action ) {
       
$reinstall = true;
    } else {
       
$reinstall = false;
    }

    if ( isset(
$_POST['upgrade'] ) ) {
       
do_core_upgrade( $reinstall );
    }

   
wp_localize_script(
       
'updates',
       
'_wpUpdatesItemCounts',
        array(
           
'totals' => wp_get_update_data(),
        )
    );

    require_once
ABSPATH . 'wp-admin/admin-footer.php';

} elseif (
'do-plugin-upgrade' === $action ) {

    if ( !
current_user_can( 'update_plugins' ) ) {
       
wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
    }

   
check_admin_referer( 'upgrade-core' );

    if ( isset(
$_GET['plugins'] ) ) {
       
$plugins = explode( ',', $_GET['plugins'] );
    } elseif ( isset(
$_POST['checked'] ) ) {
       
$plugins = (array) $_POST['checked'];
    } else {
       
wp_redirect( admin_url( 'update-core.php' ) );
        exit;
    }

   
$url = 'update.php?action=update-selected&plugins=' . urlencode( implode( ',', $plugins ) );
   
$url = wp_nonce_url( $url, 'bulk-update-plugins' );

   
// Used in the HTML title tag.
   
$title = __( 'Update Plugins' );

    require_once
ABSPATH . 'wp-admin/admin-header.php';
   
?>
   <div class="wrap">
        <h1><?php _e( 'Update Plugins' ); ?></h1>
        <iframe src="<?php echo $url; ?>" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="<?php esc_attr_e( 'Update progress' ); ?>"></iframe>
    </div>
    <?php

    wp_localize_script
(
       
'updates',
       
'_wpUpdatesItemCounts',
        array(
           
'totals' => wp_get_update_data(),
        )
    );

    require_once
ABSPATH . 'wp-admin/admin-footer.php';

} elseif (
'do-theme-upgrade' === $action ) {

    if ( !
current_user_can( 'update_themes' ) ) {
       
wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
    }

   
check_admin_referer( 'upgrade-core' );

    if ( isset(
$_GET['themes'] ) ) {
       
$themes = explode( ',', $_GET['themes'] );
    } elseif ( isset(
$_POST['checked'] ) ) {
       
$themes = (array) $_POST['checked'];
    } else {
       
wp_redirect( admin_url( 'update-core.php' ) );
        exit;
    }

   
$url = 'update.php?action=update-selected-themes&themes=' . urlencode( implode( ',', $themes ) );
   
$url = wp_nonce_url( $url, 'bulk-update-themes' );

   
// Used in the HTML title tag.
   
$title = __( 'Update Themes' );

    require_once
ABSPATH . 'wp-admin/admin-header.php';
   
?>
   <div class="wrap">
        <h1><?php _e( 'Update Themes' ); ?></h1>
        <iframe src="<?php echo $url; ?>" style="width: 100%; height: 100%; min-height: 750px;" frameborder="0" title="<?php esc_attr_e( 'Update progress' ); ?>"></iframe>
    </div>
    <?php

    wp_localize_script
(
       
'updates',
       
'_wpUpdatesItemCounts',
        array(
           
'totals' => wp_get_update_data(),
        )
    );

    require_once
ABSPATH . 'wp-admin/admin-footer.php';

} elseif (
'do-translation-upgrade' === $action ) {

    if ( !
current_user_can( 'update_languages' ) ) {
       
wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
    }

   
check_admin_referer( 'upgrade-translations' );

    require_once
ABSPATH . 'wp-admin/admin-header.php';
    require_once
ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

   
$url     = 'update-core.php?action=do-translation-upgrade';
   
$nonce   = 'upgrade-translations';
   
$title   = __( 'Update Translations' );
   
$context = WP_LANG_DIR;

   
$upgrader = new Language_Pack_Upgrader( new Language_Pack_Upgrader_Skin( compact( 'url', 'nonce', 'title', 'context' ) ) );
   
$result   = $upgrader->bulk_upgrade();

   
wp_localize_script(
       
'updates',
       
'_wpUpdatesItemCounts',
        array(
           
'totals' => wp_get_update_data(),
        )
    );

    require_once
ABSPATH . 'wp-admin/admin-footer.php';

} elseif (
'core-major-auto-updates-settings' === $action ) {

    if ( !
current_user_can( 'update_core' ) ) {
       
wp_die( __( 'Sorry, you are not allowed to update this site.' ) );
    }

   
$redirect_url = self_admin_url( 'update-core.php' );

    if ( isset(
$_GET['value'] ) ) {
       
check_admin_referer( 'core-major-auto-updates-nonce' );

        if (
'enable' === $_GET['value'] ) {
           
update_site_option( 'auto_update_core_major', 'enabled' );
           
$redirect_url = add_query_arg( 'core-major-auto-updates-saved', 'enabled', $redirect_url );
        } elseif (
'disable' === $_GET['value'] ) {
           
update_site_option( 'auto_update_core_major', 'disabled' );
           
$redirect_url = add_query_arg( 'core-major-auto-updates-saved', 'disabled', $redirect_url );
        }
    }

   
wp_redirect( $redirect_url );
    exit;
} else {
   
/**
     * Fires for each custom update action on the WordPress Updates screen.
     *
     * The dynamic portion of the hook name, `$action`, refers to the
     * passed update action. The hook fires in lieu of all available
     * default update actions.
     *
     * @since 3.2.0
     */
   
do_action( "update-core-custom_{$action}" );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores
}