pe string $package The ZIP location containing the translation update. * @type string $autoupdate Whether the translation should be automatically installed. * } * } * @param array $plugin_data Plugin headers. * @param string $plugin_file Plugin filename. * @param string[] $locales Installed locales to look up translations for. */ $update = apply_filters( "update_plugins_{$hostname}", false, $plugin_data, $plugin_file, $locales ); if ( ! $update ) { continue; } $update = (object) $update; // Is it valid? We require at least a version. if ( ! isset( $update->version ) ) { continue; } // These should remain constant. $update->id = $plugin_data['UpdateURI']; $update->plugin = $plugin_file; // WordPress needs the version field specified as 'new_version'. if ( ! isset( $update->new_version ) ) { $update->new_version = $update->version; } // Handle any translation updates. if ( ! empty( $update->translations ) ) { foreach ( $update->translations as $translation ) { if ( isset( $translation['language'], $translation['package'] ) ) { $translation['type'] = 'plugin'; $translation['slug'] = isset( $update->slug ) ? $update->slug : $update->id; $updates->translations[] = $translation; } } } unset( $updates->no_update[ $plugin_file ], $updates->response[ $plugin_file ] ); if ( version_compare( $update->new_version, $plugin_data['Version'], '>' ) ) { $updates->response[ $plugin_file ] = $update; } else { $updates->no_update[ $plugin_file ] = $update; } } $sanitize_plugin_update_payload = static function( &$item ) { $item = (object) $item; unset( $item->translations, $item->compatibility ); return $item; }; array_walk( $updates->response, $sanitize_plugin_update_payload ); array_walk( $updates->no_update, $sanitize_plugin_update_payload ); set_site_transient( 'update_plugins', $updates ); } /** * Checks for available updates to themes based on the latest versions hosted on WordPress.org. * * Despite its name this function does not actually perform any updates, it only checks for available updates. * * A list of all themes installed is sent to WP, along with the site locale. * * Checks against the WordPress server at api.wordpress.org. Will only check * if WordPress isn't installing. * * @since 2.7.0 * * @global string $wp_version The WordPress version string. * * @param array $extra_stats Extra statistics to report to the WordPress.org API. */ function wp_update_themes( $extra_stats = array() ) { if ( wp_installing() ) { return; } // Include an unmodified $wp_version. require ABSPATH . WPINC . '/version.php'; $installed_themes = wp_get_themes(); $translations = wp_get_installed_translations( 'themes' ); $last_update = get_site_transient( 'update_themes' ); if ( ! is_object( $last_update ) ) { $last_update = new stdClass; } $themes = array(); $checked = array(); $request = array(); // Put slug of active theme into request. $request['active'] = get_option( 'stylesheet' ); foreach ( $installed_themes as $theme ) { $checked[ $theme->get_stylesheet() ] = $theme->get( 'Version' ); $themes[ $theme->get_stylesheet() ] = array( 'Name' => $theme->get( 'Name' ), 'Title' => $theme->get( 'Name' ), 'Version' => $theme->get( 'Version' ), 'Author' => $theme->get( 'Author' ), 'Author URI' => $theme->get( 'AuthorURI' ), 'UpdateURI' => $theme->get( 'UpdateURI' ), 'Template' => $theme->get_template(), 'Stylesheet' => $theme->get_stylesheet(), ); } $doing_cron = wp_doing_cron(); // Check for update on a different schedule, depending on the page. switch ( current_filter() ) { case 'upgrader_process_complete': $timeout = 0; break; case 'load-update-core.php': $timeout = MINUTE_IN_SECONDS; break; case 'load-themes.php': case 'load-update.php': $timeout = HOUR_IN_SECONDS; break; default: if ( $doing_cron ) { $timeout = 2 * HOUR_IN_SECONDS; } else { $timeout = 12 * HOUR_IN_SECONDS; } } $time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time() - $last_update->last_checked ); if ( $time_not_changed && ! $extra_stats ) { $theme_changed = false; foreach ( $checked as $slug => $v ) { if ( ! isset( $last_update->checked[ $slug ] ) || (string) $last_update->checked[ $slug ] !== (string) $v ) { $theme_changed = true; } } if ( isset( $last_update->response ) && is_array( $last_update->response ) ) { foreach ( $last_update->response as $slug => $update_details ) { if ( ! isset( $checked[ $slug ] ) ) { $theme_changed = true; break; } } } // Bail if we've checked recently and if nothing has changed. if ( ! $theme_changed ) { return; } } // Update last_checked for current to prevent multiple blocking requests if request hangs. $last_update->last_checked = time(); set_site_transient( 'update_themes', $last_update ); $request['themes'] = $themes; $locales = array_values( get_available_languages() ); /** * Filters the locales requested for theme translations. * * @since 3.7.0 * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales. * * @param string[] $locales Theme locales. Default is all available locales of the site. */ $locales = apply_filters( 'themes_update_check_locales', $locales ); $locales = array_unique( $locales ); if ( $doing_cron ) { $timeout = 30; // 30 seconds. } else { // Three seconds, plus one extra second for every 10 themes. $timeout = 3 + (int) ( count( $themes ) / 10 ); } $options = array( 'timeout' => $timeout, 'body' => array( 'themes' => wp_json_encode( $request ), 'translations' => wp_json_encode( $translations ), 'locale' => wp_json_encode( $locales ), ), 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ), ); if ( $extra_stats ) { $options['body']['update_stats'] = wp_json_encode( $extra_stats ); } $url = 'http://api.wordpress.org/themes/update-check/1.1/'; $http_url = $url; $ssl = wp_http_supports( array( 'ssl' ) ); if ( $ssl ) { $url = set_url_scheme( $url, 'https' ); } $raw_response = wp_remote_post( $url, $options ); if ( $ssl && is_wp_error( $raw_response ) ) { trigger_error( sprintf( /* translators: %s: Support forums URL. */ __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the support forums.' ), __( 'https://wordpress.org/support/forums/' ) ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE ); $raw_response = wp_remote_post( $http_url, $options ); } if ( is_wp_error( $raw_response ) || 200 !== wp_remote_retrieve_response_code( $raw_response ) ) { return; } $new_update = new stdClass; $new_update->last_checked = time(); $new_update->checked = $checked; $response = json_decode( wp_remote_retrieve_body( $raw_response ), true ); if ( is_array( $response ) ) { $new_update->response = $response['themes']; $new_update->no_update = $response['no_update']; $new_update->translations = $response['translations']; } // Support updates for any themes using the `Update URI` header field. foreach ( $themes as $theme_stylesheet => $theme_data ) { if ( ! $theme_data['UpdateURI'] || isset( $new_update->response[ $theme_stylesheet ] ) ) { continue; } $hostname = wp_parse_url( esc_url_raw( $theme_data['UpdateURI'] ), PHP_URL_HOST ); /** * Filters the update response for a given theme hostname. * * The dynamic portion of the hook name, `$hostname`, refers to the hostname * of the URI specified in the `Update URI` header field. * * @since 6.1.0 * * @param array|false $update { * The theme update data with the latest details. Default false. * * @type string $id Optional. ID of the theme for update purposes, should be a URI * specified in the `Update URI` header field. * @type string $theme Directory name of the theme. * @type string $version The version of the theme. * @type string $url The URL for details of the theme. * @type string $package Optional. The update ZIP for the theme. * @type string $tested Optional. The version of WordPress the theme is tested against. * @type string $requires_php Optional. The version of PHP which the theme requires. * @type bool $autoupdate Optional. Whether the theme should automatically update. * @type array $translations { * Optional. List of translation updates for the theme. * * @type string $language The language the translation update is for. * @type string $version The version of the theme this translation is for. * This is not the version of the language file. * @type string $updated The update timestamp of the translation file. * Should be a date in the `YYYY-MM-DD HH:MM:SS` format. * @type string $package The ZIP location containing the translation update. * @type string $autoupdate Whether the translation should be automatically installed. * } * } * @param array $theme_data Theme headers. * @param string $theme_stylesheet Theme stylesheet. * @param string[] $locales Installed locales to look up translations for. */ $update = apply_filters( "update_themes_{$hostname}", false, $theme_data, $theme_stylesheet, $locales ); if ( ! $update ) { continue; } $update = (object) $update; // Is it valid? We require at least a version. if ( ! isset( $update->version ) ) { continue; } // This should remain constant. $update->id = $theme_data['UpdateURI']; // WordPress needs the version field specified as 'new_version'. if ( ! isset( $update->new_version ) ) { $update->new_version = $update->version; } // Handle any translation updates. if ( ! empty( $update->translations ) ) { foreach ( $update->translations as $translation ) { if ( isset( $translation['language'], $translation['package'] ) ) { $translation['type'] = 'theme'; $translation['slug'] = isset( $update->theme ) ? $update->theme : $update->id; $new_update->translations[] = $translation; } } } unset( $new_update->no_update[ $theme_stylesheet ], $new_update->response[ $theme_stylesheet ] ); if ( version_compare( $update->new_version, $theme_data['Version'], '>' ) ) { $new_update->response[ $theme_stylesheet ] = (array) $update; } else { $new_update->no_update[ $theme_stylesheet ] = (array) $update; } } set_site_transient( 'update_themes', $new_update ); } /** * Performs WordPress automatic background updates. * * Updates WordPress core plus any plugins and themes that have automatic updates enabled. * * @since 3.7.0 */ function wp_maybe_auto_update() { include_once ABSPATH . 'wp-admin/includes/admin.php'; require_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 object[] Array of translation objects that have available updates. */ 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; } /** * Collects 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, ); $plugins = current_user_can( 'update_plugins' ); if ( $plugins ) { $update_plugins = get_site_transient( 'update_plugins' ); if ( ! empty( $update_plugins->response ) ) { $counts['plugins'] = count( $update_plugins->response ); } } $themes = current_user_can( 'update_themes' ); if ( $themes ) { $update_themes = get_site_transient( 'update_themes' ); if ( ! empty( $update_themes->response ) ) { $counts['themes'] = count( $update_themes->response ); } } $core = current_user_can( 'update_core' ); if ( $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' ), true ) && 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: %d: Number of available WordPress updates. */ $titles['wordpress'] = sprintf( __( '%d WordPress Update' ), $counts['wordpress'] ); } if ( $counts['plugins'] ) { /* translators: %d: Number of available plugin updates. */ $titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] ); } if ( $counts['themes'] ) { /* translators: %d: Number of available theme updates. */ $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 The WordPress version string. */ function _maybe_update_core() { // Include an unmodified $wp_version. require ABSPATH . WPINC . '/version.php'; $current = get_site_transient( 'update_core' ); if ( isset( $current->last_checked, $current->version_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) && $current->version_checked === $wp_version ) { return; } wp_version_check(); } /** * Checks the last time plugins were run before checking plugin versions. * * This might have been backported to WordPress 2.6.1 for performance reasons. * This is used for the wp-admin to check only so often instead of every page * load. * * @since 2.7.0 * @access private */ function _maybe_update_plugins() { $current = get_site_transient( 'update_plugins' ); if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) ) { return; } wp_update_plugins(); } /** * Checks themes versions only after a duration of time. * * This is for performance reasons to make sure that on the theme version * checker is not run on every page load. * * @since 2.7.0 * @access private */ function _maybe_update_themes() { $current = get_site_transient( 'update_themes' ); if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) ) { return; } wp_update_themes(); } /** * Schedules core, theme, and plugin update checks. * * @since 3.1.0 */ function wp_schedule_update_checks() { if ( ! wp_next_scheduled( 'wp_version_check' ) && ! wp_installing() ) { wp_schedule_event( time(), 'twicedaily', 'wp_version_check' ); } if ( ! wp_next_scheduled( 'wp_update_plugins' ) && ! wp_installing() ) { wp_schedule_event( time(), 'twicedaily', 'wp_update_plugins' ); } if ( ! wp_next_scheduled( 'wp_update_themes' ) && ! wp_installing() ) { wp_schedule_event( time(), 'twicedaily', 'wp_update_themes' ); } } /** * Clears existing update caches for plugins, themes, and core. * * @since 4.1.0 */ function wp_clean_update_cache() { if ( function_exists( 'wp_clean_plugins_cache' ) ) { wp_clean_plugins_cache(); } else { delete_site_transient( 'update_plugins' ); } wp_clean_themes_cache(); delete_site_transient( 'update_core' ); } if ( ( ! is_main_site() && ! is_network_admin() ) || wp_doing_ajax() ) { return; } add_action( 'admin_init', '_maybe_update_core' ); add_action( 'wp_version_check', 'wp_version_check' ); add_action( 'load-plugins.php', 'wp_update_plugins' ); add_action( 'load-update.php', 'wp_update_plugins' ); add_action( 'load-update-core.php', 'wp_update_plugins' ); add_action( 'admin_init', '_maybe_update_plugins' ); add_action( 'wp_update_plugins', 'wp_update_plugins' ); add_action( 'load-themes.php', 'wp_update_themes' ); add_action( 'load-update.php', 'wp_update_themes' ); add_action( 'load-update-core.php', 'wp_update_themes' ); add_action( 'admin_init', '_maybe_update_themes' ); add_action( 'wp_update_themes', 'wp_update_themes' ); add_action( 'update_option_WPLANG', 'wp_clean_update_cache', 10, 0 ); add_action( 'wp_maybe_auto_update', 'wp_maybe_auto_update' ); add_action( 'init', 'wp_schedule_update_checks' );