notify the WordPress version.
*
* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
*/
function wp_update_plugins() {
include ABSPATH . WPINC . '/version.php'; // include an unmodified $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', array() );
$current = get_site_transient( 'update_plugins' );
if ( ! is_object($current) )
$current = new stdClass;
$new_option = new stdClass;
$new_option->last_checked = time();
// Check for update on a different schedule, depending on the page.
switch ( current_filter() ) {
case 'load-update-core.php' :
$timeout = MINUTE_IN_SECONDS;
break;
case 'load-plugins.php' :
case 'load-update.php' :
$timeout = HOUR_IN_SECONDS;
break;
default :
$timeout = 12 * HOUR_IN_SECONDS;
}
$time_not_changed = isset( $current->last_checked ) && $timeout > ( time() - $current->last_checked );
if ( $time_not_changed ) {
$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 recently and if nothing has changed
if ( ! $plugin_changed )
return false;
}
// Update last_checked for current to prevent multiple blocking requests if request hangs
$current->last_checked = time();
set_site_transient( 'update_plugins', $current );
$to_send = (object) compact('plugins', 'active');
$options = array(
'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 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 ) || 200 != wp_remote_retrieve_response_code( $raw_response ) )
return false;
$response = maybe_unserialize( wp_remote_retrieve_body( $raw_response ) );
if ( is_array( $response ) )
$new_option->response = $response;
else
$new_option->response = array();
set_site_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 notify the WordPress version.
*
* @return mixed Returns null if update is unsupported. Returns false if check is too soon.
*/
function wp_update_themes() {
include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
if ( defined( 'WP_INSTALLING' ) )
return false;
$installed_themes = wp_get_themes();
$last_update = get_site_transient( 'update_themes' );
if ( ! is_object($last_update) )
$last_update = new stdClass;
$themes = array();
$checked = array();
// Put slug of current theme into request.
$themes['current_theme'] = get_option( 'stylesheet' );
foreach ( $installed_themes as $theme ) {
$checked[ $theme->get_stylesheet() ] = $theme->get('Version');
$themes[ $theme->get_stylesheet() ] = array(
'Name' => $theme->get('Name'),
'Title' => $theme->get('Name'),
'Version' => $theme->get('Version'),
'Author' => $theme->get('Author'),
'Author URI' => $theme->get('AuthorURI'),
'Template' => $theme->get_template(),
'Stylesheet' => $theme->get_stylesheet(),
);
}
// Check for update on a different schedule, depending on the page.
switch ( current_filter() ) {
case 'load-update-core.php' :
$timeout = MINUTE_IN_SECONDS;
break;
case 'load-themes.php' :
case 'load-update.php' :
$timeout = HOUR_IN_SECONDS;
break;
default :
$timeout = 12 * HOUR_IN_SECONDS;
}
$time_not_changed = isset( $last_update->last_checked ) && $timeout > ( time( ) - $last_update->last_checked );
if ( $time_not_changed ) {
$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 false;
}
// 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 );
$options = array(
'timeout' => ( ( defined('DOING_CRON') && DOING_CRON ) ? 30 : 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 ) || 200 != wp_remote_retrieve_response_code( $raw_response ) )
return false;
$new_update = new stdClass;
$new_update->last_checked = time( );
$new_update->checked = $checked;
$response = maybe_unserialize( wp_remote_retrieve_body( $raw_response ) );
if ( is_array( $response ) )
$new_update->response = $response;
set_site_transient( 'update_themes', $new_update );
}
/*
* 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 );
if ( current_user_can( 'update_plugins' ) ) {
$update_plugins = get_site_transient( 'update_plugins' );
if ( ! empty( $update_plugins->response ) )
$counts['plugins'] = count( $update_plugins->response );
}
if ( current_user_can( 'update_themes' ) ) {
$update_themes = get_site_transient( 'update_themes' );
if ( ! empty( $update_themes->response ) )
$counts['themes'] = count( $update_themes->response );
}
if ( function_exists( 'get_core_updates' ) && current_user_can( 'update_core' ) ) {
$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;
}
$counts['total'] = $counts['plugins'] + $counts['themes'] + $counts['wordpress'];
$titles = array();
if ( $counts['wordpress'] )
$titles['wordpress'] = sprintf( __( '%d WordPress Update'), $counts['wordpress'] );
if ( $counts['plugins'] )
$titles['plugins'] = sprintf( _n( '%d Plugin Update', '%d Plugin Updates', $counts['plugins'] ), $counts['plugins'] );
if ( $counts['themes'] )
$titles['themes'] = sprintf( _n( '%d Theme Update', '%d Theme Updates', $counts['themes'] ), $counts['themes'] );
$update_title = $titles ? esc_attr( implode( ', ', $titles ) ) : '';
return apply_filters( 'wp_get_update_data', array( 'counts' => $counts, 'title' => $update_title ), $titles );
}
function _maybe_update_core() {
include ABSPATH . WPINC . '/version.php'; // include an unmodified $wp_version
$current = get_site_transient( 'update_core' );
if ( isset( $current->last_checked ) &&
12 * HOUR_IN_SECONDS > ( time() - $current->last_checked ) &&
isset( $current->version_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') && !defined('WP_INSTALLING') )
wp_schedule_event(time(), 'twicedaily', 'wp_version_check');
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');
}
if ( ( ! is_main_site() && ! is_network_admin() ) || ( defined( 'DOING_AJAX' ) && 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('init', 'wp_schedule_update_checks');
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Sat, 13 Apr 2013 01:09:52 +0000
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http://wordpress.org/?v=3.5.1