/wp-includes/update.php
PHP | 883 lines | 545 code | 149 blank | 189 comment | 116 complexity | c37cd9d2a44cb90e0c1922d77f08d59c MD5 | raw file
Possible License(s): 0BSD
- <?php
- /**
- * A simple set of functions to check our version 1.0 update service.
- *
- * @package WordPress
- * @since 2.3.0
- */
- /**
- * Check WordPress version against the newest version.
- *
- * The WordPress version, PHP version, and Locale is sent. Checks against the
- * WordPress server at api.wordpress.org server. Will only check if WordPress
- * isn't installing.
- *
- * @since 2.3.0
- * @global string $wp_version Used to check against the newest WordPress version.
- * @global wpdb $wpdb WordPress database abstraction object.
- * @global string $wp_local_package Locale code of the package.
- *
- * @param array $extra_stats Extra statistics to report to the WordPress.org API.
- * @param bool $force_check Whether to bypass the transient cache and force a fresh update check. Defaults to false, true if $extra_stats is set.
- */
- function wp_version_check( $extra_stats = array(), $force_check = false ) {
- global $wpdb, $wp_local_package;
- if ( wp_installing() ) {
- return;
- }
- // Include an unmodified $wp_version.
- require ABSPATH . WPINC . '/version.php';
- $php_version = phpversion();
- $current = get_site_transient( 'update_core' );
- $translations = wp_get_installed_translations( 'core' );
- // Invalidate the transient when $wp_version changes.
- if ( is_object( $current ) && $wp_version !== $current->version_checked ) {
- $current = false;
- }
- if ( ! is_object( $current ) ) {
- $current = new stdClass;
- $current->updates = array();
- $current->version_checked = $wp_version;
- }
- if ( ! empty( $extra_stats ) ) {
- $force_check = true;
- }
- // Wait 1 minute between multiple version check requests.
- $timeout = MINUTE_IN_SECONDS;
- $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
- if ( ! $force_check && $time_not_changed ) {
- return;
- }
- /**
- * Filters the locale requested for WordPress core translations.
- *
- * @since 2.8.0
- *
- * @param string $locale Current locale.
- */
- $locale = apply_filters( 'core_version_check_locale', get_locale() );
- // Update last_checked for current to prevent multiple blocking requests if request hangs.
- $current->last_checked = time();
- set_site_transient( 'update_core', $current );
- if ( method_exists( $wpdb, 'db_version' ) ) {
- $mysql_version = preg_replace( '/[^0-9.].*/', '', $wpdb->db_version() );
- } else {
- $mysql_version = 'N/A';
- }
- if ( is_multisite() ) {
- $user_count = get_user_count();
- $num_blogs = get_blog_count();
- $wp_install = network_site_url();
- $multisite_enabled = 1;
- } else {
- $user_count = count_users();
- $user_count = $user_count['total_users'];
- $multisite_enabled = 0;
- $num_blogs = 1;
- $wp_install = home_url( '/' );
- }
- $query = array(
- 'version' => $wp_version,
- 'php' => $php_version,
- 'locale' => $locale,
- 'mysql' => $mysql_version,
- 'local_package' => isset( $wp_local_package ) ? $wp_local_package : '',
- 'blogs' => $num_blogs,
- 'users' => $user_count,
- 'multisite_enabled' => $multisite_enabled,
- 'initial_db_version' => get_site_option( 'initial_db_version' ),
- );
- /**
- * Filter the query arguments sent as part of the core version check.
- *
- * WARNING: Changing this data may result in your site not receiving security updates.
- * Please exercise extreme caution.
- *
- * @since 4.9.0
- *
- * @param array $query {
- * Version check query arguments.
- *
- * @type string $version WordPress version number.
- * @type string $php PHP version number.
- * @type string $locale The locale to retrieve updates for.
- * @type string $mysql MySQL version number.
- * @type string $local_package The value of the $wp_local_package global, when set.
- * @type int $blogs Number of sites on this WordPress installation.
- * @type int $users Number of users on this WordPress installation.
- * @type int $multisite_enabled Whether this WordPress installation uses Multisite.
- * @type int $initial_db_version Database version of WordPress at time of installation.
- * }
- */
- $query = apply_filters( 'core_version_check_query_args', $query );
- $post_body = array(
- 'translations' => wp_json_encode( $translations ),
- );
- if ( is_array( $extra_stats ) ) {
- $post_body = array_merge( $post_body, $extra_stats );
- }
- $url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, null, '&' );
- $http_url = $url;
- $ssl = wp_http_supports( array( 'ssl' ) );
- if ( $ssl ) {
- $url = set_url_scheme( $url, 'https' );
- }
- $doing_cron = wp_doing_cron();
- $options = array(
- 'timeout' => $doing_cron ? 30 : 3,
- 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
- 'headers' => array(
- 'wp_install' => $wp_install,
- 'wp_blog' => home_url( '/' ),
- ),
- 'body' => $post_body,
- );
- $response = wp_remote_post( $url, $options );
- if ( $ssl && is_wp_error( $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 <a href="%s">support forums</a>.' ),
- __( '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
- );
- $response = wp_remote_post( $http_url, $options );
- }
- if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
- return;
- }
- $body = trim( wp_remote_retrieve_body( $response ) );
- $body = json_decode( $body, true );
- if ( ! is_array( $body ) || ! isset( $body['offers'] ) ) {
- return;
- }
- $offers = $body['offers'];
- foreach ( $offers as &$offer ) {
- foreach ( $offer as $offer_key => $value ) {
- if ( 'packages' === $offer_key ) {
- $offer['packages'] = (object) array_intersect_key(
- array_map( 'esc_url', $offer['packages'] ),
- array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial', 'rollback' ), '' )
- );
- } elseif ( 'download' === $offer_key ) {
- $offer['download'] = esc_url( $value );
- } else {
- $offer[ $offer_key ] = esc_html( $value );
- }
- }
- $offer = (object) array_intersect_key(
- $offer,
- array_fill_keys(
- array(
- 'response',
- 'download',
- 'locale',
- 'packages',
- 'current',
- 'version',
- 'php_version',
- 'mysql_version',
- 'new_bundled',
- 'partial_version',
- 'notify_email',
- 'support_email',
- 'new_files',
- ),
- ''
- )
- );
- }
- $updates = new stdClass();
- $updates->updates = $offers;
- $updates->last_checked = time();
- $updates->version_checked = $wp_version;
- if ( isset( $body['translations'] ) ) {
- $updates->translations = $body['translations'];
- }
- set_site_transient( 'update_core', $updates );
- if ( ! empty( $body['ttl'] ) ) {
- $ttl = (int) $body['ttl'];
- if ( $ttl && ( time() + $ttl < wp_next_scheduled( 'wp_version_check' ) ) ) {
- // Queue an event to re-run the update check in $ttl seconds.
- wp_schedule_single_event( time() + $ttl, 'wp_version_check' );
- }
- }
- // Trigger background updates if running non-interactively, and we weren't called from the update handler.
- if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) {
- /**
- * Fires during wp_cron, starting the auto update process.
- *
- * @since 3.9.0
- */
- do_action( 'wp_maybe_auto_update' );
- }
- }
- /**
- * Check plugin versions against the latest versions hosted on WordPress.org.
- *
- * The WordPress version, PHP version, and Locale is sent along with a list of
- * all plugins installed. Checks against the WordPress server at
- * api.wordpress.org. Will only check if WordPress isn't installing.
- *
- * @since 2.3.0
- * @global string $wp_version The WordPress version string.
- *
- * @param array $extra_stats Extra statistics to report to the WordPress.org API.
- */
- function wp_update_plugins( $extra_stats = array() ) {
- if ( wp_installing() ) {
- return;
- }
- // Include an unmodified $wp_version.
- require ABSPATH . WPINC . '/version.php';
- // If running blog-side, bail unless we've not checked in the last 12 hours.
- if ( ! function_exists( 'get_plugins' ) ) {
- require_once ABSPATH . 'wp-admin/includes/plugin.php';
- }
- $plugins = get_plugins();
- $translations = wp_get_installed_translations( 'plugins' );
- $active = get_option( 'active_plugins', array() );
- $current = get_site_transient( 'update_plugins' );
- if ( ! is_object( $current ) ) {
- $current = new stdClass;
- }
- $new_option = new stdClass;
- $new_option->last_checked = time();
- $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-plugins.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( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
- if ( $time_not_changed && ! $extra_stats ) {
- $plugin_changed = false;
- foreach ( $plugins as $file => $p ) {
- $new_option->checked[ $file ] = $p['Version'];
- if ( ! isset( $current->checked[ $file ] ) || strval( $current->checked[ $file ] ) !== strval( $p['Version'] ) ) {
- $plugin_changed = true;
- }
- }
- if ( isset( $current->response ) && is_array( $current->response ) ) {
- foreach ( $current->response as $plugin_file => $update_details ) {
- if ( ! isset( $plugins[ $plugin_file ] ) ) {
- $plugin_changed = true;
- break;
- }
- }
- }
- // Bail if we've checked recently and if nothing has changed.
- if ( ! $plugin_changed ) {
- return;
- }
- }
- // Update last_checked for current to prevent multiple blocking requests if request hangs.
- $current->last_checked = time();
- set_site_transient( 'update_plugins', $current );
- $to_send = compact( 'plugins', 'active' );
- $locales = array_values( get_available_languages() );
- /**
- * Filters the locales requested for plugin translations.
- *
- * @since 3.7.0
- * @since 4.5.0 The default value of the `$locales` parameter changed to include all locales.
- *
- * @param array $locales Plugin locales. Default is all available locales of the site.
- */
- $locales = apply_filters( 'plugins_update_check_locales', $locales );
- $locales = array_unique( $locales );
- if ( $doing_cron ) {
- $timeout = 30;
- } else {
- // Three seconds, plus one extra second for every 10 plugins.
- $timeout = 3 + (int) ( count( $plugins ) / 10 );
- }
- $options = array(
- 'timeout' => $timeout,
- 'body' => array(
- 'plugins' => wp_json_encode( $to_send ),
- 'translations' => wp_json_encode( $translations ),
- 'locale' => wp_json_encode( $locales ),
- 'all' => wp_json_encode( true ),
- ),
- 'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
- );
- if ( $extra_stats ) {
- $options['body']['update_stats'] = wp_json_encode( $extra_stats );
- }
- $url = 'http://api.wordpress.org/plugins/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 <a href="%s">support forums</a>.' ),
- __( '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;
- }
- $response = json_decode( wp_remote_retrieve_body( $raw_response ), true );
- foreach ( $response['plugins'] as &$plugin ) {
- $plugin = (object) $plugin;
- if ( isset( $plugin->compatibility ) ) {
- $plugin->compatibility = (object) $plugin->compatibility;
- foreach ( $plugin->compatibility as &$data ) {
- $data = (object) $data;
- }
- }
- }
- unset( $plugin, $data );
- foreach ( $response['no_update'] as &$plugin ) {
- $plugin = (object) $plugin;
- }
- unset( $plugin );
- if ( is_array( $response ) ) {
- $new_option->response = $response['plugins'];
- $new_option->translations = $response['translations'];
- // TODO: Perhaps better to store no_update in a separate transient with an expiry?
- $new_option->no_update = $response['no_update'];
- } else {
- $new_option->response = array();
- $new_option->translations = array();
- $new_option->no_update = array();
- }
- set_site_transient( 'update_plugins', $new_option );
- }
- /**
- * Check theme versions against the latest versions hosted on WordPress.org.
- *
- * A list of all themes installed in sent to WP. 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 current 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' ),
- '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 ] ) || strval( $last_update->checked[ $slug ] ) !== strval( $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 array $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;
- } 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 <a href="%s">support forums</a>.' ),
- __( '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->translations = $response['translations'];
- }
- set_site_transient( 'update_themes', $new_update );
- }
- /**
- * Performs WordPress automatic background updates.
- *
- * @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;
- }
- /**
- * 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,
- );
- $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();
- }
- /**
- * Check 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();
- }
- /**
- * Check 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();
- }
- /**
- * Schedule 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' );
- }
- }
- /**
- * Clear 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' );