+/**
+ * Performs WordPress automatic background updates.
+ *
+ * @since 3.7.0
+ */
+function wp_maybe_auto_update() {
+ include_once( ABSPATH . '/wp-admin/includes/admin.php' );
+ include_once( ABSPATH . '/wp-admin/includes/class-wp-upgrader.php' );
+
+ $upgrader = new WP_Automatic_Updater;
+ $upgrader->run();
+}
+
+/**
+ * Retrieves a list of all language updates available.
+ *
+ * @since 3.7.0
+ *
+ * @return array
+ */
+function wp_get_translation_updates() {
+ $updates = array();
+ $transients = array( 'update_core' => 'core', 'update_plugins' => 'plugin', 'update_themes' => 'theme' );
+ foreach ( $transients as $transient => $type ) {
+ $transient = get_site_transient( $transient );
+ if ( empty( $transient->translations ) )
+ continue;
+
+ foreach ( $transient->translations as $translation ) {
+ $updates[] = (object) $translation;
+ }
+ }
+ return $updates;
+}
+
+/**
+ * Collect counts and UI strings for available updates
+ *
+ * @since 3.3.0
+ *
+ * @return array
+ */
+function wp_get_update_data() {
+ $counts = array( 'plugins' => 0, 'themes' => 0, 'wordpress' => 0, 'translations' => 0 );
+
+ if ( $plugins = current_user_can( 'update_plugins' ) ) {
+ $update_plugins = get_site_transient( 'update_plugins' );
+ if ( ! empty( $update_plugins->response ) )
+ $counts['plugins'] = count( $update_plugins->response );
+ }
+
+ if ( $themes = current_user_can( 'update_themes' ) ) {
+ $update_themes = get_site_transient( 'update_themes' );
+ if ( ! empty( $update_themes->response ) )
+ $counts['themes'] = count( $update_themes->response );
+ }
+
+ if ( ( $core = current_user_can( 'update_core' ) ) && function_exists( 'get_core_updates' ) ) {
+ $update_wordpress = get_core_updates( array('dismissed' => false) );
+ if ( ! empty( $update_wordpress ) && ! in_array( $update_wordpress[0]->response, array('development', 'latest') ) && current_user_can('update_core') )
+ $counts['wordpress'] = 1;
+ }
+
+ if ( ( $core || $plugins || $themes ) && wp_get_translation_updates() )
+ $counts['translations'] = 1;
+
+ $counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'] + $counts['translations'];
+ $titles = array();
+ if ( $counts['wordpress'] ) {
+ /* translators: 1: Number of updates available to WordPress */
+ $titles['wordpress'] = sprintf( __( '%d WordPress Update'), $counts['wordpress'] );
+ }
+ if ( $counts['plugins'] ) {
+ /* translators: 1: Number of updates available to plugins */
+ $titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] );
+ }
+ if ( $counts['themes'] ) {
+ /* translators: 1: Number of updates available to themes */
+ $titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] );
+ }
+ if ( $counts['translations'] ) {
+ $titles['translations'] = __( 'Translation Updates' );
+ }
+
+ $update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : '';
+
+ $update_data = array( 'counts' => $counts, 'title' => $update_title );
+ /**
+ * Filters the returned array of update data for plugins, themes, and WordPress core.
+ *
+ * @since 3.5.0
+ *
+ * @param array $update_data {
+ * Fetched update data.
+ *
+ * @type array $counts An array of counts for available plugin, theme, and WordPress updates.
+ * @type string $update_title Titles of available updates.
+ * }
+ * @param array $titles An array of update counts and UI strings for available updates.
+ */
+ return apply_filters( 'wp_get_update_data', $update_data, $titles );
+}
+
+/**
+ * Determines whether core should be updated.
+ *
+ * @since 2.8.0
+ *
+ * @global string $wp_version
+ */