last_checked = time(); set_transient( 'update_core', $current ); if ( method_exists( $wpdb, 'db_version' ) ) $mysql_version = preg_replace('/[^0-9.].*/', '', $wpdb->db_version($wpdb->users)); else $mysql_version = 'N/A'; $local_package = isset( $wp_local_package )? $wp_local_package : ''; $url = "http://api.wordpress.org/core/version-check/1.3/?version=$wp_version&php=$php_version&locale=$locale&mysql=$mysql_version&local_package=$local_package"; $options = array( 'timeout' => 3, 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ); $response = wp_remote_get($url, $options); if ( is_wp_error( $response ) ) return false; if ( 200 != $response['response']['code'] ) return false; $body = trim( $response['body'] ); $body = str_replace(array("\r\n", "\r"), "\n", $body); $new_options = array(); foreach( explode( "\n\n", $body ) as $entry) { $returns = explode("\n", $entry); $new_option = new stdClass(); $new_option->response = attribute_escape( $returns[0] ); if ( isset( $returns[1] ) ) $new_option->url = clean_url( $returns[1] ); if ( isset( $returns[2] ) ) $new_option->package = clean_url( $returns[2] ); if ( isset( $returns[3] ) ) $new_option->current = attribute_escape( $returns[3] ); if ( isset( $returns[4] ) ) $new_option->locale = attribute_escape( $returns[4] ); $new_options[] = $new_option; } $updates = new stdClass(); $updates->updates = $new_options; $updates->last_checked = time(); $updates->version_checked = $wp_version; set_transient( 'update_core', $updates); } /** * Check plugin versions against the latest versions hosted on WordPress.org. * * The WordPress version, PHP version, and Locale is sent along with a list of * all plugins installed. Checks against the WordPress server at * api.wordpress.org. Will only check if WordPress isn't installing. * * @package WordPress * @since 2.3.0 * @uses $wp_version Used to notidy the WordPress version. * * @return mixed Returns null if update is unsupported. Returns false if check is too soon. */ function wp_update_plugins() { global $wp_version; if ( defined('WP_INSTALLING') ) return false; // If running blog-side, bail unless we've not checked in the last 12 hours if ( !function_exists( 'get_plugins' ) ) require_once( ABSPATH . 'wp-admin/includes/plugin.php' ); $plugins = get_plugins(); $active = get_option( 'active_plugins' ); $current = get_transient( 'update_plugins' ); if ( ! is_object($current) ) $current = new stdClass; $new_option = new stdClass; $new_option->last_checked = time(); $timeout = 'load-plugins.php' == current_filter() ? 360 : 43200; //Check for updated every 60 minutes if hitting the themes page, Else, check every 12 hours $time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked ); $plugin_changed = false; foreach ( $plugins as $file => $p ) { $new_option->checked[ $file ] = $p['Version']; if ( !isset( $current->checked[ $file ] ) || strval($current->checked[ $file ]) !== strval($p['Version']) ) $plugin_changed = true; } if ( isset ( $current->response ) && is_array( $current->response ) ) { foreach ( $current->response as $plugin_file => $update_details ) { if ( ! isset($plugins[ $plugin_file ]) ) { $plugin_changed = true; break; } } } // Bail if we've checked in the last 12 hours and if nothing has changed if ( $time_not_changed && !$plugin_changed ) return false; // Update last_checked for current to prevent multiple blocking requests if request hangs $current->last_checked = time(); set_transient( 'update_plugins', $current ); $to_send = (object)compact('plugins', 'active'); $options = array( 'timeout' => 3, 'body' => array( 'plugins' => serialize( $to_send ) ), 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ); $raw_response = wp_remote_post('http://api.wordpress.org/plugins/update-check/1.0/', $options); if ( is_wp_error( $raw_response ) ) return false; if( 200 != $raw_response['response']['code'] ) return false; $response = unserialize( $raw_response['body'] ); if ( false !== $response ) $new_option->response = $response; else $new_option->response = array(); set_transient( 'update_plugins', $new_option ); } /** * Check theme versions against the latest versions hosted on WordPress.org. * * A list of all themes installed in sent to WP. Checks against the * WordPress server at api.wordpress.org. Will only check if WordPress isn't * installing. * * @package WordPress * @since 2.7.0 * @uses $wp_version Used to notidy the WordPress version. * * @return mixed Returns null if update is unsupported. Returns false if check is too soon. */ function wp_update_themes( ) { global $wp_version; if( defined( 'WP_INSTALLING' ) ) return false; if( !function_exists( 'get_themes' ) ) require_once( ABSPATH . 'wp-includes/theme.php' ); $installed_themes = get_themes( ); $current_theme = get_transient( 'update_themes' ); if ( ! is_object($current_theme) ) $current_theme = new stdClass; $new_option = new stdClass; $new_option->last_checked = time( ); $timeout = 'load-themes.php' == current_filter() ? 360 : 43200; //Check for updated every 60 minutes if hitting the themes page, Else, check every 12 hours $time_not_changed = isset( $current_theme->last_checked ) && $timeout > ( time( ) - $current_theme->last_checked ); if( $time_not_changed ) return false; // Update last_checked for current to prevent multiple blocking requests if request hangs $current_theme->last_checked = time(); set_transient( 'update_themes', $current_theme ); $themes = array( ); $themes['current_theme'] = $current_theme; foreach( (array) $installed_themes as $theme_title => $theme ) { $themes[$theme['Template']] = array( ); foreach( (array) $theme as $key => $value ) { $themes[$theme['Template']][$key] = $value; } } $options = array( 'timeout' => 3, 'body' => array( 'themes' => serialize( $themes ) ), 'user-agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo( 'url' ) ); $raw_response = wp_remote_post( 'http://api.wordpress.org/themes/update-check/1.0/', $options ); if( is_wp_error( $raw_response ) ) return false; if( 200 != $raw_response['response']['code'] ) return false; $response = unserialize( $raw_response['body'] ); if( $response ) $new_option->response = $response; set_transient( 'update_themes', $new_option ); } function _maybe_update_core() { global $wp_version; $current = get_transient( 'update_core' ); if ( isset( $current->last_checked ) && 43200 > ( 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_transient( 'update_plugins' ); if ( isset( $current->last_checked ) && 43200 > ( 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_transient( 'update_themes' ); if( isset( $current->last_checked ) && 43200 > ( time( ) - $current->last_checked ) ) return; wp_update_themes( ); } add_action( 'init', '_maybe_update_core' ); add_action( 'load-plugins.php', 'wp_update_plugins' ); add_action( 'load-update.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( 'admin_init', '_maybe_update_themes' ); add_action( 'wp_update_themes', 'wp_update_themes' ); if ( !wp_next_scheduled('wp_update_plugins') && !defined('WP_INSTALLING') ) wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins'); if ( !wp_next_scheduled('wp_update_themes') && !defined('WP_INSTALLING') ) wp_schedule_event(time(), 'twicedaily', 'wp_update_themes'); ?>