PHP find_core_update函数代码示例

 protected function update($version, $locale)
 {
     $args = $this->input();
     $version = isset($args['version']) ? $args['version'] : false;
     $locale = isset($args['locale']) ? $args['locale'] : get_locale();
     include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
     delete_site_transient('update_core');
     wp_version_check(array(), true);
     if ($version) {
         $update = find_core_update($version, $locale);
     } else {
         $update = $this->find_latest_update_offer();
     }
     /**
      * Pre-upgrade action
      * 
      * @since 3.9.3
      * 
      * @param object|array $update as returned by find_core_update() or find_core_auto_update()
      */
     do_action('jetpack_pre_core_upgrade', $update);
     $skin = new Automatic_Upgrader_Skin();
     $upgrader = new Core_Upgrader($skin);
     $this->new_version = $upgrader->upgrade($update);
     $this->log = $upgrader->skin->get_upgrade_messages();
     if (is_wp_error($this->new_version)) {
         return $this->new_version;
     }
     return $this->new_version;
 }

/**
 * Updates wordpress core to the given version.
 *
 * Returns the new version on success, and a Wp_error object on failure
 * 
 * @param string $version
 * @return string|object
 */
function bruteprotect_update_core($version)
{
    $locale = get_locale();
    $update = find_core_update($version, $locale);
    $skin = new Automatic_Upgrader_Skin();
    $upgrader = new Core_Upgrader($skin);
    $results = $upgrader->upgrade($update);
    return $results;
}

 private function update($version, $locale)
 {
     $args = $this->input();
     $version = isset($args['version']) ? $args['version'] : false;
     $locale = isset($args['locale']) ? $args['locale'] : get_locale();
     include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
     delete_site_transient('update_core');
     wp_version_check(array(), true);
     if ($version) {
         $update = find_core_update($version, $locale);
     } else {
         $update = $this->find_latest_update_offer();
     }
     $skin = new Automatic_Upgrader_Skin();
     $upgrader = new Core_Upgrader($skin);
     $this->new_version = $upgrader->upgrade($update);
     $this->log = $upgrader->skin->get_upgrade_messages();
     if (is_wp_error($this->new_version)) {
         return $this->new_version;
     }
     return $this->new_version;
 }

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') );
}

/**
 * AJAX handler for updating core.
 *
 * @since 4.6.0
 *
 * @see Core_Upgrader
 */
function wp_ajax_update_core()
{
    check_ajax_referer('updates');
    if (!current_user_can('update_core')) {
        $status['error'] = __('You do not have sufficient permissions to update this site.');
        wp_send_json_error($status);
    }
    $reinstall = isset($_POST['reinstall']) ? (bool) $_POST['reinstall'] : false;
    $version = isset($_POST['version']) ? sanitize_text_field(wp_unslash($_POST['version'])) : false;
    $locale = isset($_POST['locale']) ? sanitize_text_field(wp_unslash($_POST['locale'])) : 'en_US';
    $update = find_core_update($version, $locale);
    if (!$update) {
        return;
    }
    $status = array('update' => 'core', 'redirect' => esc_url(self_admin_url('about.php?updated')));
    if ($update->current === $update->version) {
        wp_send_json_success($status);
    }
    include_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
    if ($reinstall) {
        $update->response = 'reinstall';
    }
    $upgrader = new WP_Automatic_Updater();
    $result = $upgrader->update('core', $update);
    if (is_array($result) && !empty($result[0])) {
        wp_send_json_success($status);
    } else {
        if (is_wp_error($result)) {
            $status['error'] = $result->get_error_message();
            wp_send_json_error($status);
        } else {
            if (false === $result) {
                // These aren't actual errors.
                $status['error'] = __('Installation Failed');
                wp_send_json_error($status);
            }
        }
    }
    // An unhandled error occurred.
    $status['error'] = __('Installation failed.');
    wp_send_json_error($status);
}

 /**
  * [doInstallUpdate description]
  * @param  [type] $update_id   [description]
  * @param  [type] $build_url   [description]
  * @param  [type] $package_url [description]
  * @return [type]              [description]
  */
 public function doInstallUpdate($update_row)
 {
     global $wp_filesystem;
     /*
     // Parse Update ID
       $update_keys = array('type', 'element', 'version', 'locale');
       $update_vals = explode( ':', $update_row->update_id );
       $update_rule = new wbSiteManager_Params( array_combine(array_intersect_key($update_keys, $update_vals), array_intersect_key($update_vals, $update_keys)) );
       if( empty($update_rule->type) ){
         $this->out('Invalid Update ID: ' . $update_id);
         return false;
       }
       $this->out('Processing Update ID: '. $update_id);
     */
     // Switch Type
     $this->out('Processing Update ID: ' . $update_row->update_id);
     switch ($update_row->type) {
         case 'core':
             // Load Update Record
             $remoteUrl = 'update-core.php?action=do-core-upgrade';
             $reinstall = false;
             if ($update_row->version == $update_row->installed_version) {
                 $reinstall = true;
                 $remoteUrl = 'update-core.php?action=do-core-reinstall';
             }
             $update = find_core_update($update_row->version, $update_row->get('locale', 'en_US'));
             if (!$update) {
                 $this->out(' - Failed to Load Update');
                 return false;
             }
             if ($reinstall) {
                 $update->response = 'reinstall';
             }
             // Confirm Write Access
             $allow_relaxed_file_ownership = isset($update->new_files) && !$update->new_files;
             if (false === ($credentials = request_filesystem_credentials($remoteUrl, '', false, ABSPATH, array('version', 'locale'), $allow_relaxed_file_ownership))) {
                 $this->out(' - Invalid File Permission');
                 return false;
             }
             if (!WP_Filesystem($credentials, ABSPATH, $allow_relaxed_file_ownership)) {
                 $this->out(' - Failed to load File Permissions');
                 return false;
             }
             if ($wp_filesystem->errors->get_error_code()) {
                 foreach ($wp_filesystem->errors->get_error_messages() as $message) {
                     $this->out(' - File Error: ' . $message);
                 }
                 return false;
             }
             // Run Update
             $upgrader_skin = new wbSiteManager_WP_Upgrader_Skin(array(), $this);
             $upgrader = new Core_Upgrader($upgrader_skin);
             $result = $upgrader->upgrade($update, array('allow_relaxed_file_ownership' => $allow_relaxed_file_ownership));
             $response_html = explode("\n", strip_tags(ob_get_clean()));
             ob_end_clean();
             if (is_wp_error($result)) {
                 if ($result->get_error_data() && is_string($result->get_error_data())) {
                     $message = $result->get_error_message() . ': ' . $result->get_error_data();
                 } else {
                     $message = $result->get_error_message();
                 }
                 $this->out(' - Update Error: ' . $message);
                 if ('up_to_date' != $result->get_error_code()) {
                     $this->out(' - Insallation Failed');
                 }
                 return false;
             }
             // Clear Cache
             set_site_transient('update_core', null);
             break;
         case 'plugin':
             // Install vs Upgrade
             if ($install) {
                 // Get Plugins API
                 $plugin_api = plugins_api('plugin_information', array('slug' => $update_row->extension_id, 'fields' => array('short_description' => false, 'sections' => false, 'requires' => false, 'rating' => false, 'ratings' => false, 'downloaded' => false, 'last_updated' => false, 'added' => false, 'tags' => false, 'compatibility' => false, 'homepage' => false, 'donate_link' => false)));
                 // Load Plugin Updater
                 $upgrader = new Plugin_Upgrader(new wbSiteManager_Plugin_Upgrader_Skin(array('title' => 'Install Plugin: ' . $update_row->extension_id . ' v' . $update_row->version, 'nonce' => 'install-plugin_' . $update_row->extension_id, 'url' => 'update.php?action=install-plugin&plugin=' . urlencode($update_row->extension_id), 'plugin' => $update_row->extension_id, 'api' => $api), $this));
                 $upgrader->install($plugin_api->download_link);
             } else {
                 // Load Plugin Updater
                 $upgrader = new Plugin_Upgrader(new wbSiteManager_Plugin_Upgrader_Skin(array('title' => 'Upgrade Plugin: ' . $update_row->extension_id . ' v' . $update_row->version, 'nonce' => 'upgrade-plugin_' . $update_row->extension_id, 'url' => 'update.php?action=upgrade-plugin&plugin=' . urlencode($update_row->extension_id), 'plugin' => $update_row->extension_id), $this));
                 $upgrader->upgrade($update_row->extension_id);
             }
             // Process Result
             if (empty($upgrader->result)) {
                 $this->out(' - Installation Failed');
                 return false;
             }
             // Clear Cache
             // set_site_transient( 'update_core', null );
             break;
         case 'theme':
             // Install vs Upgrade
//.........这里部分代码省略.........