last_checked ) && 43200 > ( time() - $current->last_checked ) && $current->version_checked == $wp_version ) return false; $new_option = ''; $new_option->last_checked = time(); // this gets set whether we get a response or not, so if something is down or misconfigured it won't delay the page load for more than 3 seconds, twice a day $new_option->version_checked = $wp_version; $url = "http://api.wordpress.org/core/version-check/1.1/?version=$wp_version&php=$php_version&locale=$locale"; $options = array('timeout' => 3); $headers = array( 'Content-Type' => 'application/x-www-form-urlencoded; charset=' . get_option('blog_charset'), 'User-Agent' => 'WordPress/' . $wp_version . '; ' . get_bloginfo('url') ); $response = wp_remote_request($url, $options, $headers); if( 200 != $response['response']['code'] ) return false; $body = $response['body']; $body = trim( $response[1] ); $body = str_replace(array("\r\n", "\r"), "\n", $body); $returns = explode("\n", $body); $new_option->response = attribute_escape( $returns[0] ); if ( isset( $returns[1] ) ) $new_option->url = clean_url( $returns[1] ); if ( isset( $returns[2] ) ) $new_option->current = attribute_escape( $returns[2] ); update_option( 'update_core', $new_option ); } add_action( 'init', 'wp_version_check' ); /** * wp_update_plugins() - 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 PHP has fsockopen enabled and WordPress isn't installing. * * @package WordPress * @since 2.3 * @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 ( !function_exists('fsockopen') || 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_option( 'update_plugins' ); $new_option = ''; $new_option->last_checked = time(); $time_not_changed = isset( $current->last_checked ) && 43200 > ( time() - $current->last_checked ); $plugin_changed = false; foreach ( $plugins as $file => $p ) { $new_option->checked[ $file ] = $p['Version']; if ( !isset( $current->checked[ $file ] ) ) { $plugin_changed = true; continue; } if ( strval($current->checked[ $file ]) !== strval($p['Version']) ) $plugin_changed = true; } foreach ( (array) $current->response as $plugin_file => $update_details ) { if ( ! isset($plugins[ $plugin_file ]) ) { $plugin_changed = true; } } // Bail if we've checked in the last 12 hours and if nothing has changed if ( $time_not_changed && !$plugin_changed ) return false; $to_send->plugins = $plugins; $to_send->active = $active; $send = serialize( $to_send ); $request = 'plugins=' . urlencode( $send ); $http_request = "POST /plugins/update-check/1.0/ HTTP/1.0\r\n"; $http_request .= "Host: api.wordpress.org\r\n"; $http_request .= "Content-Type: application/x-www-form-urlencoded; charset=" . get_option('blog_charset') . "\r\n"; $http_request .= "Content-Length: " . strlen($request) . "\r\n"; $http_request .= 'User-Agent: WordPress/' . $wp_version . '; ' . get_bloginfo('url') . "\r\n"; $http_request .= "\r\n"; $http_request .= $request; $response = ''; if( false != ( $fs = @fsockopen( 'api.wordpress.org', 80, $errno, $errstr, 3) ) && is_resource($fs) ) { fwrite($fs, $http_request); while ( !feof($fs) ) $response .= fgets($fs, 1160); // One TCP-IP packet fclose($fs); $response = explode("\r\n\r\n", $response, 2); } $response = unserialize( $response[1] ); if ( $response ) $new_option->response = $response; update_option( 'update_plugins', $new_option ); } function _maybe_update_plugins() { $current = get_option( 'update_plugins' ); if ( isset( $current->last_checked ) && 43200 > ( time() - $current->last_checked ) ) return; wp_update_plugins(); } add_action( 'load-plugins.php', 'wp_update_plugins' ); add_action( 'admin_init', '_maybe_update_plugins' ); add_action( 'wp_update_plugins', 'wp_update_plugins' ); if ( !wp_next_scheduled('wp_update_plugins') ) wp_schedule_event(time(), 'twicedaily', 'wp_update_plugins'); ?>