mirror of
https://github.com/WordPress/WordPress.git
synced 2024-12-23 17:48:01 +01:00
3517dc0b8b
This code branch is responsible for running all autoupdates, including plugins and themes - which should run regardless of if there's a core autoupdate available. This revert does not revert the `$timeout` changes, as these should still use cached data if it's available. Ideally this should be decoupled from the core update check to allow background updates to operate even when the core update check is disabled or running more often than twice daily. See #43103. Built from https://develop.svn.wordpress.org/trunk@42653 git-svn-id: http://core.svn.wordpress.org/trunk@42482 1a063a9b-81f0-0310-95a4-ce76da25c4cd
818 lines
25 KiB
PHP
818 lines
25 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. Checks against the
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* WordPress server at api.wordpress.org server. Will only check if WordPress
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* isn't installing.
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*
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* @since 2.3.0
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* @global string $wp_version Used to check against the newest WordPress version.
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* @global wpdb $wpdb
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* @global string $wp_local_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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if ( wp_installing() ) {
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return;
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}
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global $wpdb, $wp_local_package;
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// include an unmodified $wp_version
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include( ABSPATH . WPINC . '/version.php' );
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$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 60 seconds between multiple version check requests
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$timeout = 60;
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$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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* Filter 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, $extra_stats );
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}
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$url = $http_url = 'http://api.wordpress.org/core/version-check/1.7/?' . http_build_query( $query, null, '&' );
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if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) {
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$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( $response ) ) {
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trigger_error(
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sprintf(
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/* translators: %s: support forums URL */
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__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
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__( 'https://wordpress.org/support/' )
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) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
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headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
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);
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$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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$offer, array_fill_keys(
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array(
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'response',
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'download',
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'locale',
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'packages',
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'current',
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'version',
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'php_version',
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'mysql_version',
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'new_bundled',
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'partial_version',
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'notify_email',
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'support_email',
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'new_files',
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), ''
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)
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);
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}
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$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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do_action( 'wp_maybe_auto_update' );
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}
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}
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/**
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* Check plugin versions against the latest versions hosted on WordPress.org.
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*
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* The WordPress version, PHP version, and Locale is sent along with a list of
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* all plugins installed. Checks against the WordPress server at
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* api.wordpress.org. Will only check if WordPress isn't installing.
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*
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* @since 2.3.0
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* @global string $wp_version Used to notify the WordPress version.
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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 $wp_version
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include( ABSPATH . WPINC . '/version.php' );
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// If running blog-side, bail unless we've not checked in the last 12 hours
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if ( ! function_exists( 'get_plugins' ) ) {
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require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
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}
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$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 ] ) || strval( $current->checked[ $file ] ) !== strval( $p['Version'] ) ) {
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$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_url = 'http://api.wordpress.org/plugins/update-check/1.1/';
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if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) {
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$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( $raw_response ) ) {
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trigger_error(
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sprintf(
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/* translators: %s: support forums URL */
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__( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="%s">support forums</a>.' ),
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__( 'https://wordpress.org/support/' )
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) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ),
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headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE
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);
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$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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* Check theme versions against the latest versions hosted on WordPress.org.
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*
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* A list of all themes installed in sent to WP. Checks against the
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* WordPress server at api.wordpress.org. Will only check if WordPress isn't
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* installing.
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*
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* @since 2.7.0
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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 $wp_version
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include( ABSPATH . WPINC . '/version.php' );
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$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 = $checked = $request = array();
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// Put slug of current theme into request.
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$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.
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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-themes.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( $last_update->last_checked ) && $timeout > ( time() - $last_update->last_checked );
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|
|
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_url = 'http://api.wordpress.org/themes/update-check/1.1/';
|
|
if ( $ssl = wp_http_supports( array( '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/' )
|
|
) . ' ' . __( '(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' );
|
|
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
|
|
*/
|
|
function _maybe_update_core() {
|
|
// include an unmodified $wp_version
|
|
include( 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' );
|