mirror of
https://github.com/WordPress/WordPress.git
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f683fc7677
git-svn-id: http://core.svn.wordpress.org/trunk@23265 1a063a9b-81f0-0310-95a4-ce76da25c4cd
450 lines
14 KiB
PHP
450 lines
14 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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* @package WordPress
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* @since 2.3.0
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* @uses $wp_version Used to check against the newest WordPress version.
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*
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_version_check() {
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if ( defined('WP_INSTALLING') )
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return;
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global $wpdb, $wp_local_package;
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include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
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$php_version = phpversion();
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$current = get_site_transient( 'update_core' );
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if ( ! is_object($current) ) {
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$current = new stdClass;
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$current->updates = array();
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$current->version_checked = $wp_version;
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}
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// Wait 60 seconds between multiple version check requests
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$timeout = 60;
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$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
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if ( $time_not_changed )
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return false;
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$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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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' => $multisite_enabled
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);
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$url = 'http://api.wordpress.org/core/version-check/1.6/?' . http_build_query( $query, null, '&' );
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$options = array(
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'timeout' => ( ( defined('DOING_CRON') && 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' => $wp_install,
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'wp_blog' => home_url( '/' )
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)
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);
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$response = wp_remote_get($url, $options);
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if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) )
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return false;
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$body = trim( wp_remote_retrieve_body( $response ) );
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$body = maybe_unserialize( $body );
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if ( ! is_array( $body ) || ! isset( $body['offers'] ) )
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return false;
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$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( array_map( 'esc_url', $offer['packages'] ),
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array_fill_keys( array( 'full', 'no_content', 'new_bundled', 'partial' ), '' ) );
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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( $value );
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}
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$offer = (object) array_intersect_key( $offer, array_fill_keys( array( 'response', 'download', 'locale',
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'packages', 'current', 'php_version', 'mysql_version', 'new_bundled', 'partial_version' ), '' ) );
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}
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$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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set_site_transient( 'update_core', $updates);
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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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* @package WordPress
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* @since 2.3.0
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* @uses $wp_version Used to notify the WordPress version.
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*
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_update_plugins() {
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include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
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if ( defined('WP_INSTALLING') )
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return false;
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// If running blog-side, bail unless we've not checked in the last 12 hours
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if ( !function_exists( 'get_plugins' ) )
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require_once( ABSPATH . 'wp-admin/includes/plugin.php' );
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$plugins = get_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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$new_option = new stdClass;
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$new_option->last_checked = time();
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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 '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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$timeout = 12 * HOUR_IN_SECONDS;
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}
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$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
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if ( $time_not_changed ) {
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$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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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 ( ! $plugin_changed )
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return false;
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}
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// Update last_checked for current to prevent multiple blocking requests if request hangs
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$current->last_checked = time();
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set_site_transient( 'update_plugins', $current );
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$to_send = (object) compact('plugins', 'active');
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$options = array(
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'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3),
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'body' => array( 'plugins' => serialize( $to_send ) ),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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);
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$raw_response = wp_remote_post('http://api.wordpress.org/plugins/update-check/1.0/', $options);
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if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) )
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return false;
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$response = maybe_unserialize( wp_remote_retrieve_body( $raw_response ) );
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if ( is_array( $response ) )
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$new_option->response = $response;
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else
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$new_option->response = array();
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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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* @package WordPress
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* @since 2.7.0
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* @uses $wp_version Used to notify the WordPress version.
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*
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* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
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*/
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function wp_update_themes() {
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include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
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if ( defined( 'WP_INSTALLING' ) )
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return false;
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$installed_themes = wp_get_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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$last_update = new stdClass;
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$themes = array();
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$checked = array();
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// Put slug of current theme into request.
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$themes['current_theme'] = 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' => $theme->get_stylesheet(),
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);
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}
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// Check for update on a different schedule, depending on the page.
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switch ( current_filter() ) {
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case 'load-update-core.php' :
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$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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$timeout = HOUR_IN_SECONDS;
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break;
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default :
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$timeout = 12 * HOUR_IN_SECONDS;
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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 ( $time_not_changed ) {
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$theme_changed = false;
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foreach ( $checked as $slug => $v ) {
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if ( !isset( $last_update->checked[ $slug ] ) || strval($last_update->checked[ $slug ]) !== strval($v) )
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$theme_changed = true;
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}
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if ( isset ( $last_update->response ) && is_array( $last_update->response ) ) {
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foreach ( $last_update->response as $slug => $update_details ) {
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if ( ! isset($checked[ $slug ]) ) {
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$theme_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 ( ! $theme_changed )
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return false;
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}
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// Update last_checked for current to prevent multiple blocking requests if request hangs
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$last_update->last_checked = time();
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set_site_transient( 'update_themes', $last_update );
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$options = array(
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'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 3),
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'body' => array( 'themes' => serialize( $themes ) ),
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'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' )
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);
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$raw_response = wp_remote_post( 'http://api.wordpress.org/themes/update-check/1.0/', $options );
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if ( is_wp_error( $raw_response ) || 200 != wp_remote_retrieve_response_code( $raw_response ) )
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return false;
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$new_update = new stdClass;
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$new_update->last_checked = time();
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$new_update->checked = $checked;
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$response = maybe_unserialize( wp_remote_retrieve_body( $raw_response ) );
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if ( is_array( $response ) )
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$new_update->response = $response;
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set_site_transient( 'update_themes', $new_update );
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}
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/*
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* Collect counts and UI strings for available updates
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*
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* @since 3.3.0
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*
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* @return array
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*/
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function wp_get_update_data() {
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$counts = array( 'plugins' => 0, 'themes' => 0, 'wordpress' => 0 );
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if ( current_user_can( 'update_plugins' ) ) {
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$update_plugins = get_site_transient( 'update_plugins' );
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if ( ! empty( $update_plugins->response ) )
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$counts['plugins'] = count( $update_plugins->response );
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}
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if ( current_user_can( 'update_themes' ) ) {
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$update_themes = get_site_transient( 'update_themes' );
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if ( ! empty( $update_themes->response ) )
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$counts['themes'] = count( $update_themes->response );
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}
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if ( function_exists( 'get_core_updates' ) && current_user_can( 'update_core' ) ) {
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$update_wordpress = get_core_updates( array('dismissed' => false) );
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if ( ! empty( $update_wordpress ) && ! in_array( $update_wordpress[0]->response, array('development', 'latest') ) && current_user_can('update_core') )
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$counts['wordpress'] = 1;
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}
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$counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'];
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$titles = array();
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if ( $counts['wordpress'] )
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$titles['wordpress'] = sprintf( __( '%d WordPress Update'), $counts['wordpress'] );
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if ( $counts['plugins'] )
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$titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] );
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if ( $counts['themes'] )
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$titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] );
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$update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : '';
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return apply_filters( 'wp_get_update_data', array( 'counts' => $counts, 'title' => $update_title ), $titles );
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}
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function _maybe_update_core() {
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include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
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$current = get_site_transient( 'update_core' );
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if ( isset( $current->last_checked ) &&
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12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) &&
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isset( $current->version_checked ) &&
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$current->version_checked == $wp_version )
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return;
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wp_version_check();
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}
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/**
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* Check the last time plugins were run before checking plugin versions.
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*
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* This might have been backported to WordPress 2.6.1 for performance reasons.
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* This is used for the wp-admin to check only so often instead of every page
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* load.
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*
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* @since 2.7.0
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* @access private
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*/
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function _maybe_update_plugins() {
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$current = get_site_transient( 'update_plugins' );
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if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) )
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return;
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wp_update_plugins();
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}
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/**
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* Check themes versions only after a duration of time.
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*
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* This is for performance reasons to make sure that on the theme version
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* checker is not run on every page load.
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*
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* @since 2.7.0
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* @access private
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*/
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function _maybe_update_themes() {
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$current = get_site_transient( 'update_themes' );
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if ( isset( $current->last_checked ) && 12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) )
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return;
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wp_update_themes();
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}
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/**
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* Schedule core, theme, and plugin update checks.
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*
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* @since 3.1.0
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*/
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function wp_schedule_update_checks() {
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if ( !wp_next_scheduled('wp_version_check') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'twicedaily', 'wp_version_check');
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if ( !wp_next_scheduled('wp_update_plugins') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins');
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if ( !wp_next_scheduled('wp_update_themes') && !defined('WP_INSTALLING') )
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wp_schedule_event(time(), 'twicedaily', 'wp_update_themes');
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}
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if ( ( ! is_main_site() && ! is_network_admin() ) || ( defined( 'DOING_AJAX' ) && DOING_AJAX ) )
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return;
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add_action( 'admin_init', '_maybe_update_core' );
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add_action( 'wp_version_check', 'wp_version_check' );
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add_action( 'load-plugins.php', 'wp_update_plugins' );
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add_action( 'load-update.php', 'wp_update_plugins' );
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add_action( 'load-update-core.php', 'wp_update_plugins' );
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add_action( 'admin_init', '_maybe_update_plugins' );
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add_action( 'wp_update_plugins', 'wp_update_plugins' );
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add_action( 'load-themes.php', 'wp_update_themes' );
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add_action( 'load-update.php', 'wp_update_themes' );
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add_action( 'load-update-core.php', 'wp_update_themes' );
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add_action( 'admin_init', '_maybe_update_themes' );
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add_action( 'wp_update_themes', 'wp_update_themes' );
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add_action('init', 'wp_schedule_update_checks');
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