902 lines
26 KiB
PHP
902 lines
26 KiB
PHP
<?php
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/**
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* A simple set of functions to check our version 1.0 update service.
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*
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* @package WordPress
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* @since 2.3.0
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*/
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/**
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* Check WordPress version against the newest version.
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*
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* The WordPress version, PHP version, and locale is sent.
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*
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* Checks against the WordPress server at api.wordpress.org. Will only check
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* if WordPress isn't installing.
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*
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* @since 2.3.0
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*
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* @global string $wp_version Used to check against the newest WordPress version.
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* @global wpdb $wpdb WordPress database abstraction object.
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* @global string $wp_local_package Locale code of the package.
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*
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* @param array $extra_stats Extra statistics to report to the WordPress.org API.
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* @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.
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*/
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function wp_version_check( $extra_stats = array(), $force_check = false ) {
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global $wpdb, $wp_local_package;
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if ( wp_installing() ) {
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return;
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}
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// Include an unmodified $wp_version.
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require ABSPATH . WPINC . '/version.php';
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$php_version = phpversion();
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$current = get_site_transient( 'update_core' );
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$translations = wp_get_installed_translations( 'core' );
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// Invalidate the transient when $wp_version changes.
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if ( is_object( $current ) && $wp_version !== $current->version_checked ) {
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$current = false;
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}
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if ( ! is_object( $current ) ) {
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$current = new stdClass;
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$current->updates = array();
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$current->version_checked = $wp_version;
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}
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if ( ! empty( $extra_stats ) ) {
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$force_check = true;
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}
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// Wait 1 minute between multiple version check requests.
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$timeout = MINUTE_IN_SECONDS;
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$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
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if ( ! $force_check && $time_not_changed ) {
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return;
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}
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/**
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* Filters the locale requested for WordPress core translations.
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*
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* @since 2.8.0
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*
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* @param string $locale Current locale.
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*/
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$locale = apply_filters( 'core_version_check_locale', get_locale() );
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// Update last_checked for current to prevent multiple blocking requests if request hangs.
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$current->last_checked = time();
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set_site_transient( 'update_core', $current );
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if ( method_exists( $wpdb, 'db_version' ) ) {
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$mysql_version = preg_replace( '/[^0-9.].*/', '', $wpdb->db_version() );
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} else {
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$mysql_version = 'N/A';
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}
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if ( is_multisite() ) {
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$user_count = get_user_count();
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$num_blogs = get_blog_count();
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$wp_install = network_site_url();
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$multisite_enabled = 1;
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} else {
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$user_count = count_users();
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$user_count = $user_count['total_users'];
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$multisite_enabled = 0;
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$num_blogs = 1;
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$wp_install = home_url( '/' );
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}
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$query = array(
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'version' => $wp_version,
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'php' => $php_version,
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'locale' => $locale,
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'mysql' => $mysql_version,
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'local_package' => isset( $wp_local_package ) ? $wp_local_package : '',
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'blogs' => $num_blogs,
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'users' => $user_count,
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'multisite_enabled' => $multisite_enabled,
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'initial_db_version' => get_site_option( 'initial_db_version' ),
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);
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/**
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* Filters the query arguments sent as part of the core version check.
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*
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* WARNING: Changing this data may result in your site not receiving security updates.
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* Please exercise extreme caution.
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*
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* @since 4.9.0
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*
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* @param array $query {
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* Version check query arguments.
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*
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* @type string $version WordPress version number.
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* @type string $php PHP version number.
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* @type string $locale The locale to retrieve updates for.
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* @type string $mysql MySQL version number.
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* @type string $local_package The value of the $wp_local_package global, when set.
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* @type int $blogs Number of sites on this WordPress installation.
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* @type int $users Number of users on this WordPress installation.
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* @type int $multisite_enabled Whether this WordPress installation uses Multisite.
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* @type int $initial_db_version Database version of WordPress at time of installation.
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* }
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*/
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$query = apply_filters( 'core_version_check_query_args', $query );
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$post_body = array(
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'translations' => wp_json_encode( $translations ),
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);
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if ( is_array( $extra_stats ) ) {
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$post_body = array_merge( $post_body, $extra_stats );
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}
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// Allow for WP_AUTO_UPDATE_CORE to specify beta/RC releases.
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if ( defined( 'WP_AUTO_UPDATE_CORE' ) && in_array( WP_AUTO_UPDATE_CORE, array( 'beta', 'rc' ), true ) ) {
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$query['channel'] = WP_AUTO_UPDATE_CORE;
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}
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$url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, null, '&' );
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$http_url = $url;
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$ssl = wp_http_supports( array( 'ssl' ) );
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if ( $ssl ) {
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$url = set_url_scheme( $url, 'https' );
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}
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$doing_cron = wp_doing_cron();
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$options = array(
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'timeout' => $doing_cron ? 30 : 3,
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'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
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'headers' => array(
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'wp_install' => $wp_install,
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'wp_blog' => home_url( '/' ),
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),
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'body' => $post_body,
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);
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$response = wp_remote_post( $url, $options );
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if ( $ssl && is_wp_error( $response ) ) {
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trigger_error(
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sprintf(
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/* translators: %s: Support forums URL. */
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__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
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__( 'https://wordpress.org/support/forums/' )
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) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
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headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
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);
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$response = wp_remote_post( $http_url, $options );
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}
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if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
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return;
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}
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$body = trim( wp_remote_retrieve_body( $response ) );
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$body = json_decode( $body, true );
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if ( ! is_array( $body ) || ! isset( $body['offers'] ) ) {
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return;
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}
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$offers = $body['offers'];
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foreach ( $offers as &$offer ) {
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foreach ( $offer as $offer_key => $value ) {
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if ( 'packages' === $offer_key ) {
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$offer['packages'] = (object) array_intersect_key(
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array_map( 'esc_url', $offer['packages'] ),
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array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial', 'rollback' ), '' )
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);
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} elseif ( 'download' === $offer_key ) {
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$offer['download'] = esc_url( $value );
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} else {
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$offer[ $offer_key ] = esc_html( $value );
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}
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}
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$offer = (object) array_intersect_key(
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$offer,
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array_fill_keys(
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array(
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'response',
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'download',
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'locale',
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'packages',
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'current',
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'version',
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'php_version',
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'mysql_version',
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'new_bundled',
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'partial_version',
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'notify_email',
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'support_email',
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'new_files',
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),
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''
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)
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);
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}
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$updates = new stdClass();
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$updates->updates = $offers;
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$updates->last_checked = time();
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$updates->version_checked = $wp_version;
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if ( isset( $body['translations'] ) ) {
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$updates->translations = $body['translations'];
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}
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set_site_transient( 'update_core', $updates );
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if ( ! empty( $body['ttl'] ) ) {
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$ttl = (int) $body['ttl'];
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if ( $ttl && ( time() + $ttl < wp_next_scheduled( 'wp_version_check' ) ) ) {
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// Queue an event to re-run the update check in $ttl seconds.
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wp_schedule_single_event( time() + $ttl, 'wp_version_check' );
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}
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}
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// Trigger background updates if running non-interactively, and we weren't called from the update handler.
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if ( $doing_cron && ! doing_action( 'wp_maybe_auto_update' ) ) {
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/**
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* Fires during wp_cron, starting the auto-update process.
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*
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* @since 3.9.0
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*/
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do_action( 'wp_maybe_auto_update' );
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}
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}
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/**
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* Checks for available updates to plugins based on the latest versions hosted on WordPress.org.
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*
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* Despite its name this function does not actually perform any updates, it only checks for available updates.
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*
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* A list of all plugins installed is sent to WP, along with the site locale.
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*
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* Checks against the WordPress server at api.wordpress.org. Will only check
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* if WordPress isn't installing.
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*
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* @since 2.3.0
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*
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* @global string $wp_version The WordPress version string.
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*
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* @param array $extra_stats Extra statistics to report to the WordPress.org API.
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*/
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function wp_update_plugins( $extra_stats = array() ) {
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if ( wp_installing() ) {
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return;
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}
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// Include an unmodified $wp_version.
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require ABSPATH . WPINC . '/version.php';
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// If running blog-side, bail unless we've not checked in the last 12 hours.
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if ( ! function_exists( 'get_plugins' ) ) {
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require_once ABSPATH . 'wp-admin/includes/plugin.php';
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}
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$plugins = get_plugins();
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$translations = wp_get_installed_translations( 'plugins' );
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$active = get_option( 'active_plugins', array() );
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$current = get_site_transient( 'update_plugins' );
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if ( ! is_object( $current ) ) {
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$current = new stdClass;
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}
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$new_option = new stdClass;
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$new_option->last_checked = time();
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$doing_cron = wp_doing_cron();
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// Check for update on a different schedule, depending on the page.
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switch ( current_filter() ) {
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case 'upgrader_process_complete':
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$timeout = 0;
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break;
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case 'load-update-core.php':
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$timeout = MINUTE_IN_SECONDS;
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break;
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case 'load-plugins.php':
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case 'load-update.php':
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$timeout = HOUR_IN_SECONDS;
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break;
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default:
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if ( $doing_cron ) {
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$timeout = 2 * HOUR_IN_SECONDS;
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} else {
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$timeout = 12 * HOUR_IN_SECONDS;
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}
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}
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$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
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if ( $time_not_changed && ! $extra_stats ) {
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$plugin_changed = false;
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foreach ( $plugins as $file => $p ) {
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$new_option->checked[ $file ] = $p['Version'];
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if ( ! isset( $current->checked[ $file ] ) || (string) $current->checked[ $file ] !== (string) $p['Version'] ) {
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$plugin_changed = true;
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}
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}
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if ( isset( $current->response ) && is_array( $current->response ) ) {
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foreach ( $current->response as $plugin_file => $update_details ) {
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if ( ! isset( $plugins[ $plugin_file ] ) ) {
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$plugin_changed = true;
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break;
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}
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}
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}
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// Bail if we've checked recently and if nothing has changed.
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if ( ! $plugin_changed ) {
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return;
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}
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}
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// Update last_checked for current to prevent multiple blocking requests if request hangs.
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$current->last_checked = time();
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set_site_transient( 'update_plugins', $current );
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$to_send = compact( 'plugins', 'active' );
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$locales = array_values( get_available_languages() );
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/**
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* Filters the locales requested for plugin translations.
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*
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* @since 3.7.0
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* @since 4.5.0 The default value of the `$locales` parameter changed to include all locales.
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*
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* @param array $locales Plugin locales. Default is all available locales of the site.
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*/
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$locales = apply_filters( 'plugins_update_check_locales', $locales );
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$locales = array_unique( $locales );
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if ( $doing_cron ) {
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$timeout = 30;
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} else {
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// Three seconds, plus one extra second for every 10 plugins.
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$timeout = 3 + (int) ( count( $plugins ) / 10 );
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}
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$options = array(
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'timeout' => $timeout,
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'body' => array(
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'plugins' => wp_json_encode( $to_send ),
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'translations' => wp_json_encode( $translations ),
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'locale' => wp_json_encode( $locales ),
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'all' => wp_json_encode( true ),
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),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . home_url( '/' ),
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);
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if ( $extra_stats ) {
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$options['body']['update_stats'] = wp_json_encode( $extra_stats );
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}
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$url = 'http://api.wordpress.org/plugins/update-check/1.1/';
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$http_url = $url;
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$ssl = wp_http_supports( array( 'ssl' ) );
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if ( $ssl ) {
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$url = set_url_scheme( $url, 'https' );
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}
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$raw_response = wp_remote_post( $url, $options );
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if ( $ssl && is_wp_error( $raw_response ) ) {
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trigger_error(
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sprintf(
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/* translators: %s: Support forums URL. */
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__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
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__( 'https://wordpress.org/support/forums/' )
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) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
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headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
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);
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$raw_response = wp_remote_post( $http_url, $options );
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}
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if ( is_wp_error( $raw_response ) || 200 !== wp_remote_retrieve_response_code( $raw_response ) ) {
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return;
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}
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$response = json_decode( wp_remote_retrieve_body( $raw_response ), true );
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foreach ( $response['plugins'] as &$plugin ) {
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$plugin = (object) $plugin;
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if ( isset( $plugin->compatibility ) ) {
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$plugin->compatibility = (object) $plugin->compatibility;
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foreach ( $plugin->compatibility as &$data ) {
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$data = (object) $data;
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}
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}
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}
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unset( $plugin, $data );
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foreach ( $response['no_update'] as &$plugin ) {
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$plugin = (object) $plugin;
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}
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unset( $plugin );
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if ( is_array( $response ) ) {
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$new_option->response = $response['plugins'];
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$new_option->translations = $response['translations'];
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// TODO: Perhaps better to store no_update in a separate transient with an expiry?
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$new_option->no_update = $response['no_update'];
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} else {
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$new_option->response = array();
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$new_option->translations = array();
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$new_option->no_update = array();
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}
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set_site_transient( 'update_plugins', $new_option );
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}
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/**
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* Checks for available updates to themes based on the latest versions hosted on WordPress.org.
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*
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* Despite its name this function does not actually perform any updates, it only checks for available updates.
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*
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* A list of all themes installed is sent to WP, along with the site locale.
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|
*
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|
* Checks against the WordPress server at api.wordpress.org. Will only check
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|
* if WordPress isn't installing.
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*
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* @since 2.7.0
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*
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* @global string $wp_version The WordPress version string.
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*
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* @param array $extra_stats Extra statistics to report to the WordPress.org API.
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*/
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function wp_update_themes( $extra_stats = array() ) {
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if ( wp_installing() ) {
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return;
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}
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// Include an unmodified $wp_version.
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require ABSPATH . WPINC . '/version.php';
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$installed_themes = wp_get_themes();
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$translations = wp_get_installed_translations( 'themes' );
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$last_update = get_site_transient( 'update_themes' );
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if ( ! is_object( $last_update ) ) {
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$last_update = new stdClass;
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}
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$themes = array();
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$checked = array();
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$request = array();
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// Put slug of current theme into request.
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$request['active'] = get_option( 'stylesheet' );
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foreach ( $installed_themes as $theme ) {
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$checked[ $theme->get_stylesheet() ] = $theme->get( 'Version' );
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$themes[ $theme->get_stylesheet() ] = array(
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'Name' => $theme->get( 'Name' ),
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'Title' => $theme->get( 'Name' ),
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'Version' => $theme->get( 'Version' ),
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'Author' => $theme->get( 'Author' ),
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'Author URI' => $theme->get( 'AuthorURI' ),
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'Template' => $theme->get_template(),
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'Stylesheet' => $theme->get_stylesheet(),
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);
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}
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$doing_cron = wp_doing_cron();
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// 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 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->no_update = $response['no_update'];
|
|
$new_update->translations = $response['translations'];
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
/**
|
|
* 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' );
|